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www.nuliv.com www.nulivlifestyle.com Clinically Demonstrated to Significantly Increase the Absorption of Amino Acids, Vitamins, Glucose in Intestinal Cells AstraGin TM ’s Nutrients Absorption Model Contents 1. What Is AstraGin TM 2 2. How AstraGin TM Works 2 3. Specific Functions of AstraGin TM 2 4. Applications 2 5. Research Summary 2 6. In Vitro Studies 2 6.1 Cell Culture 2 6.2 Quantitative Analysis of Nutrient Transporter Transcripts 3 6.3 Glucose uptake Assay 3 1 U.S. HEADQUARTERS ASIA HEADQUARTERS MFG. & QA DIVISION 4000 VALLEY BLVD., UNIT 102 6F, 131, Sec. 3, Nanjing E. Road A111,518 BIBO ROAD WALNUT, CA 91789-0937 USA TAIPEI, TAIWAN, R.O.C. 104 PUDONG, SHANGHAI, CHINA 201203 TEL: (1-909) 594-3188 TEL: (886-2) 8712-1302 TEL: (86-21) 5080-2352
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Page 1: Astra Gin, A Nu Liv Science Nutraceutical Ingredient For Increasing Nutrient Asbsorption At The Cellular Level (1)

www.nuliv.com

www.nulivlifestyle.com

Clinically Demonstrated to Significantly Increase the Absorption of Amino Acids, Vitamins, Glucose in Intestinal Cells

AstraGinTM’s Nutrients Absorption Model

Contents

1. What Is AstraGinTM 22. How AstraGinTM Works 23. Specific Functions of AstraGinTM 24. Applications 25. Research Summary 26. In Vitro Studies 2

6.1 Cell Culture 26.2 Quantitative Analysis of Nutrient Transporter Transcripts 36.3 Glucose uptake Assay 36.4 Western Blot Analysis 46.5 Amino Acid Uptake Assay 56.6 Vitamin Uptake Assay 66.7 Glucosamine Uptake Assay 66.8 ATP Assay 7

7. In Vivo Studies 77.1 Phase I (Preparation) 77.2 Phase II (Amino Acids Absorption Assays) 117.3 Phase III (Vitamins Absorption Assays) 12

1

U.S. HEADQUARTERS ASIA HEADQUARTERS MFG. & QA DIVISION4000 VALLEY BLVD., UNIT 102 6F, 131, Sec. 3, Nanjing E. Road A111,518 BIBO ROADWALNUT, CA 91789-0937 USA TAIPEI, TAIWAN, R.O.C. 104 PUDONG, SHANGHAI, CHINA 201203TEL: (1-909) 594-3188 TEL: (886-2) 8712-1302 TEL: (86-21) 5080-2352FAX: (1-909) 594-3184 FAX: (886-2) 2715-1086 FAX: (86-21) 5080-2353

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7.4 Phase IV (Fatty Acids Absorption Assays) 12 7.5 Phase V (Glucose, Insulin, TG, SGLT-1, SGLT-2, GLUTs, Adipocytokines, SOD) 12

8. Toxicity Studies 128.1 Toxicity Studies in Published Peer-reviewed Scientific Articles 128.2 Twenty-eight Days Repeated Oral Toxicity Study in Rats 12

9. Discussion 1310. Conclusion 1311. COA (Certificate of Analysis) 1312. Nutrition Facts 1413. Dosage and Indications 1414. Reference 14

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1. What Is AstraGinTM?

AstraGinTM is a proprietary blend of highly purified Astragalus membranaceus and Panax notoginseng fractions produced by a proprietary pharmaceutical extraction and processing technology. AstraGinTM has been demonstrated in close to a dozen in vitro studies to significantly improve the absorption of amino acids, glucose, and vitamins in CaCo-2 cells, the gold standard used by drug companies to study the efficacy of new drug candidates. AstraGinTM is currently in a 5-phase in vivo studies with normal and IBD (Inflammatory Bowel Disease) rats. The initial results showed similar outcome demonstrated in the in vitro studies. Human uses began in late 2010 and results so far have been very positive.

2. How AstraGinTM Works

AstraGinTM up-regulates both the mRNA and protein expression levels of the nutrient transporters that regulate the amount of amino acids, glucose, vitamins, and etc. entering into the intestinal cells. Once inside the cells, these nutrients are transported by portal vein to liver and the rest of human body. Those nutrients that do not enter into the intestinal cells will leave human body in few hours. (Sections 6)

3. Specific Functions of AstraGinTM

Increases the steady-state absorption rate of amino acids such as Arginine and Tryptophan by 66.7% and 52.5% (6.5, section 6)

Increases vitamins absorption such as folate by 50% (6.6, section 6) Increases intestinal glucose absorption by 57% that is converted to glycogen in muscle cells

(6.3, section 6) Increases ATP production by 18% (6.8, section 6)

4. Applications

• Weight Management - protein powders, meal replacements, dietary supplements, nutrition bars• Sport Nutrition – body building, fitness and energy formulas, protein supplements, energy bars, ready-to- drink supplements• Functional Beverages - energy drinks, smoothies, powder drink mixes • Nutraceuticals - all categories of dietary supplements in capsule, liquid, powder, softgel, and tablet forms• Medical Food Nutrition Supplements• Baked goods - breads, cereals, pastas, snacks

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• Pet Foods - enhances pets' nutritional status through enhanced absorption of nutrients in the foods they eat • Animal Nutrition and Natural Feed supplement products

5. Research Summary

In eight (8) in vitro studies (section 6), AstraGinTM has demonstrated to increase the absorption of amino acids, glucose, and vitamins by 62%, 57%, and 50%, and elevated the cellular ATP level by 18% when compared to the control groups. The in vitro study on AstraGinTM is similar to the in vitro study published in J. Agric. Food Chem., Vol. 55, No. 5, 2007 by T.C. Chang, etc. that was sponsored and funded by NuLiv Science.

6. In Vitro Studies

6.1 Cell Culture

The established human intestinal epithelial Caco-2 cell line was obtained from American Type Culture Collection (Rockville, MD). Cells were routinely grown in Dulbecco’s modified Eagle medium (DMEM) containing glucose, glutamine, fetal bovine serum, sodium bicarbonate, penicillin, streptomycin, and non-essential amino acids. The medium was changed every 2 days and the cells were inspected daily. For transport experiments, the cells were seeded into polycarbonate filter cell culture chamber inserts (Transwell, 24-mm diameter, 3 μm; Costar, Corning Inc., Corning, NY) .The cells were left to differentiate for 15-17 days after confluency; the medium was regularly changed three times a week. The integrity of the Caco-2 cell monolayers and the full development of the tight junctions were monitored before every experiment by determining the transepithelial electrical resistance (TEER) of filter-grown cell monolayers by use of a commercial apparatus (Millicell ERS; Millipore, Bedford, MA). Only cell monolayers with TEER values of 400-600 Ωcm2 were used for experiments.

6.2 Quantitative Analysis of Nutrient Transporter Transcripts

Materials and Methods

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Relative levels of glucose transporters expressed in human Caco-2 cells were determined by real-time quantitative PCR (Q-PCR). Total RNAs were isolated from the cultured human cells by use of TRIzol reagent (Invitrogen, Irvine, CA). RNA was reverse-transcribed at 37°c for 60 min in transcription mixture containing dNTP, oligo-dT, RNasin, 1x PCR buffer, and Moloney murine leukemia virus reverse transcriptase (Invitrogen). Q-PCR was performed on Applied Biosystems 7500 system with predeveloped Taqman gene expression assays (Applied Biosystems, Foster City, CA). The reaction mixtures contained of serially diluted cDNA, Taqman universal PCR master mix (Applied Biosystems), and primer mix of either SGLT1, FR, or GAPDH (Applied Biosystems). Two independent triplicate experiments were performed for the selected genes, and the obtained threshold cycle (Ct) values were averaged. According to the comparative Ct method described in the ABI manual, gene expression was normalized to the expression of the

housekeeping gene GAPDH, yielding the ΔCt value.

Results

6.3 Glucose Uptake Assay

Materials and Methods

In the glucose uptake test, the cell monolayer was preincubated in the incubation buffer at 37°c for 1 h and replaced with fresh incubation medium right before transport experiment. The transport experiment was started by replacing the incubation solution with solution containing D-glucose in which D-[14C] glucose (60 mCi/mmol, American Radiolabeled Chemicals, ARC, St. Louis, MO) was added. At designated time intervals, the cells were washed twice with cold PBS and then lysed in 200 L of 2% SDS. Cell lysates were centrifuged at 15000 g for 15 min. Intracellular uptake of glucose was determined by transferring 10 μL of the cell lysate to filter-bottomed UniFilter plates (Perkim-Elmer) and counting. The samples were measured for their protein concentration using the BCA protein assay kit. The amount of glucose accumulated in the cells was calculated and normalized to protein concentration and uptake rate was expressed as counts per minute per microgram of cell protein (nmol / mg of protein). The uptake of L-[14C]-glucose was measured simultaneously to correct for D-glucose taken up passively. All samples were analyzed by use of a liquid scintillation counter (TopCount, Packard BioSciences, Meriden, CT). Results are expressed as the steady-state rate of glucose transport (nanomoles per minute) across the Caco-2 monolayers in mean ± SD (n = 3-5). Differences

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between means of groups were assessed by the t-test.

Results

* p<0.05; ** p<0.01

6.4 Western Blot Analysis

Materials and Methods

Human Caco-2 cells were plated on culture dishes (6 cm diameter) at a density of 1×105 cells/dish and designated as day 0. The cells were left to undergo differentiation for 8 days prior to treatment with AstraGinTM for another 24 h. The cells were then washed and lysed of lysis. Protein concentrations of the samples were measured by the bicinchoninic acid (BCA) protein assay kit according to the manufacturer’s protocol (Pierce, Rockford, IL). Equal amount of protein samples of cell lysate were separated by SDS- PAGEl electrophoresis and transblotted onto PVDF membrane. Immunoblotting was performed with anti-human

antibodies for SGLT1, FR and α-tubulin (Abcam, Cambridge, MA). Signals were visualized with an enhanced chemoluminescence kit (ECL, Amersham, U.K.) followed by exposure to X-ray films.

Results

Group Dosage(μg/mL)

Accumulated glucoseIn Caco-2 cell monolayers

(nmol / mg of protein at 10 min)Control 133.9 ± 10.8

AstraGinTM

1.0 187.0 ± 29.8

0.10 208.1 ± 22.6*

0.01 210.2 ± 15.3**

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6.5 Amino Acids Uptake Assay

Materials and Methods

In measuring the transport of arginine or tryptophan across the Caco-2 cell monolayer, both sides of the transwells were washed with incubation buffer. Then, the cell monolayer was preincubated in the incubation buffer at 37ºC for 1 h and replaced with fresh incubation medium right before transport experiment. The transport experiment was initiated by replacing the incubation solution on the apical side with solution containing 10 mM of L-arginine or L-tryptophan in which 0.125 μCi/mL of L-[3H]-arginine or L-[3H]-tryptophan was included. At designated time intervals, 10 μL-solution samples were removed from the basolateral side and radioactivity of each sample was counted using a microplate liquid scintillation counter (TopCount, Packard NXT). The uptake of [3H]-mannitol was used to correct for nonspecific transport of molecules across the monolayer membrane. Results are expressed as the steady-state rate of arginine or tryptophan transport across (nanomoles per minute) across the Caco-2 monolayers in mean ± SD (n = 3-5). Differences between means of groups were assessed by the t-test.

Radiolabelling method was used to determine the amount of arginine and tryptophan absorbed/transported from outside into the Caco-2 cell membrane. Therefore, more radioactivity across the Caco-2 cell membrane from apical side to the basal side indicates that more arginine or tryptophan was absorbed and transported.

Relative absorption rate is calculated based on total amount of arginine or tryptophan absorbed and transported in the first 10 minutes, the most efficient time period.

Results

7

Effect of AstraGinTM

on Tryptophan Absorption

Time (min)

0 10 20 30 40

Tryptophan (nmols)

0

200

400

600

800 Control

0.1μg/mL AstraGin TM

Effect of AstraGinTM

Time (min)

0 10 20 30 40

Arginine (nmols)

0

200

400

600

800

on Arginine Absorption

Control

0.1μg/mL AstraGin TM

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Control: 11.34±0.943 nmol/min Control: 8.66±0.3 nmol/minAstraGinTM: 16.79±1.516 nmol/min* AstraGinTM: 14.15±0.29 nmol/min*

Relative Absorption Rate of Arginine and Tryptophan for the Control and 3 AstraGinTM Groups

GroupDosage

(μg/mL)

Accumulated tryptophan

In basolateral side

(nmols at 10 min)

Accumulated arginine

In basolateral side

(nmols at 10 min)Control 98.47 ± 10.20 97.29 ± 10.33

AstraGinTM

1.0 152.02 ± 18.86* 145.24 ± 24.24*

0.10 150.17 ± 9.51** 162.25 ± 17.6**

0.01 148.63 ± 19.83* 136.89 ± 18.95*

* p<0.05; **p<0.001

6.6 Vitamin Uptake Assay

Materials and Methods

In the folate uptake test, the Caco-2 cells were cultured in a folate uptake buffer (Hank’s balanced salt solution, supplemented with 0.14 g/L CaCl2, 0.1 g/L MgCl2, and 0.1 g/L MgSO4, pH6.0) for 1 hour. The buffer was then aspirated, and uptake was initiated by adding 0.2 ml of fresh folate uptake buffer containing 2 Ci / mL radioactive folate (3,5,7,9-3H-folic acid, 25 mCi / mmol, ARC) and cold, unlabeled folate giving a final folate concentration of 5 M. Folate uptake was terminated by removing the uptake buffer at designated time intervals. The cells were then washed three times with ice-cold PBS and lysed by adding 0.2 mL of 0.2N NaOH, followed by incubating at 65°C for 20 min. Intracellular uptake of 3H-folate was determined by transferring 20 μL of the cell lysate to the filter-bottomed UniFilter plates (Perkim-Elmer) and counting as described previously in Example 1. The amount of folate accumulated in the cells was calculated and normalized to protein concentration, and uptake rate was expressed as picomoles of folate per minutes per milligram of cell protein (pmol/min/mg). Protein concentration was determined by a standard Bicinchoninic acid (BCA) protein assay.

Results

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Relative Absorption Rate of Folate for the Control and AstraGinTM Group

GroupDosage

(μg/mL)

Accumulated folate in Caco-2 cell monolayers

(pmol/mg of protein at 1 min)Control 53.140 ± 3.544

AstraGinTM 0.10 79.899 ± 1.883

* p<0.05

6.7 Glucosamine Uptake Assay

Materials and methods

In glucosamine uptake test, Caco-2 cells were seeded into 24-well plate at a density of 3 x 104 cells/well and cultured for 24 h. The cells were then treated in the absence (solvent control) or presence of the ingredients at various doses for another 24 h. The treated cells were then washed twice with PBS and incubated in glucose and serum free medium (GSFM). After 2 h, the cells were replaced with fresh GSFM containing 0.2 μCi of [14C]-Glucosamine (American Radiolabelled Chemicals Inc, ARC, St. Louis, MO, USA). At the designated time interval, the cells were washed twice with GSFM containing cold glucosamine and then lysed in 200 L of 2% SDS. Cell lysates were centrifuged at 15000 g for 15 min. Intracellular uptake of glucosamine was determined by transferring 10 μL of the cell lysate to filter-bottomed UniFilter plates (Perkim-Elmer) and counting. The samples were measured for their protein concentration using the BCA protein assay kit as described above. The amount of glucosamine accumulated in the cells was calculated and normalized to protein concentration and uptake rate was expressed as counts per minute per microgram of cell protein (mmol / mg of protein).

Results

Group Dosage

Accumulated glucosamine

In Caco-2 cell monolayers

(mmol / mg of protein at 10 min)Control 1.165 ± 0.145

AstraGinTM 1.0 μg/mL 1.437 ± 0.184*

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*

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0.10 μg/mL 1.660 ± 0.471

0.01 μg/mL 1.181 ± 0.066

* p<0.05

6.8 ATP Fluorometric Assay

Materials and Methods

HepG2 cells were lysed in 100 µl of ATP Assay Buffer. The cell lysates were centrifuged at

15000 cpm for 2 minutes at 4°C to pellet insoluble materials. Collect supernatant. Add 2-50 µl of collected supernatant to 96-well plate. Bring final volume to 50 µl/well with ATP Assay Buffer. Mix well. Incubate at room temperature for 30 minutes, protecting from light. Measure Ex/Em = 535/587 nm for fluorometric assay in a micro-plate reader.

Results

Group Dosage (μg/mL) ATP Luminescence (RLU)

Control 14815572.6667 ± 438284.5035

AstraGinTM 0.10 17454155.7778 ± 450089.0108**

** p<0.001

7. In Vivo Studies (in Normal and IBD Rats)

7.1 Phase I (Preparation)

7.1.1 Amino Acids Quantification by HPLC

The purpose of this procedure is to find the appropriate conditions, such as efficacy column and mobile, and make appropriate adjustment to factors, such as mobile phase ratio, flow rate, and flow pressure, to produce a HPLC Chromatograph that identifies the 17 amino acids (except for Gln, Asn and Trp) from the reference standard purchased from Waters. Samples acquired in the study will be compared to the chromatograph below for the presence of these 17 amino

10

**

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acids and their quantities. Amino acids analysis kit and column were purchased from Waters

Inc.(USA)

Apparatus

A HPLC system(Waters Inc, USA)was used and the system included two HPLC pumps 600, high pressure mixer, autosampler 717+, dual absorbance detector 2487, and a refractive

bindex detector 2414. Separation was achieved by using a 4μm AccQ.Taq C18 column(150x3.9 mm I.D.)with a guard column.

Derivatization

Microliters of filtered hydrolysated samples or standard were transferred to amber glass vial, borate buffer were added, and the solution was briefly vortexed. The derivatizaton reaction was then initiated by adding AccQ Fluor reagent, and the mixture was immediately vortexed for several seconds. After 1 min incubation at room temperature, the mixture was transferred to an autosampler vial. The vial was placed in a heating block for 10 min at 55°C.

Chromatographic conditions

Separations were carried out on a AccQ.Taq C18 reverse-phase column, with a flow-rate of 1.0 ml/min. Mobile phase A consisted of AccQ.Tag elutent AccQ.Tag A concentrate-Milli-Q

water(1:10, v/v), pH 5.02). Mobile phase B was acetontrile(acetontrile- Milli-Q water(6:4, v/v)). Gradient conditions were shown in Table 1.

Table 1. Gradient profile

Time(min) A (%) B (%)

0 100 0

0.5 98 2

15 93 7

19 88 12

26 68 32

35 60 40

50 60 40

51 0 100

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52 0 100

Results

Appropriate conditions were found to produce a HPLC Chromatograph that allowed the identification of the 17 amino acids using the reference standards purchased from Waters.

7.1.2 Animals Used in the Study

Adult male Sprague-Dawley rats (6-8 weeks) were purchased from LASC Inc (AAALAC accreditation, Taipei, Taiwan). The rats were subsequently fed and maintained under specific pathogen-free conditions at the Animal Center of National Defense Medical Center (Taipei, Taiwan), which is accredited by AAALAC. The rats were individually housed in plastic cages with grated stainless steel floors. The temperature in the colony room were maintained at 24 ± 1 ℃with 60% atmospheric humidity and a 12 h light-dark cycle with ad libitum access to food and water. The care of the animals were carried out in accordance with institutional and international standards (Principles of Laboratory Animal Care, National Institutes of Health), and the protocol has been approved by the Institutional Animal Care and Use Committee of National Defense Medical Center, Taiwan, R.O.C.

Results

Adult male Sprague-Dawley rats were purchased and kept at the animal center of National Defense Medical Center according to the living conditions set forth in this section.

7.1.3 TNBS-induced IBD Rats

Adult male Sprague-Dawley rats, weighing 240–350 g each, were used in the study. The rats were allowed to accommodate on regular rodent chow for 2 wk prior to the experiment. The rats were fasted 24h but allowed free access to water before the induction of colitis. They were then anesthetized using pentobarvitol. Using a polyethylene catheter fitted onto a 1-ml syringe, rats received injections slowly with 0.5 ml of 5% TNBS in 50% (v/v) ethanol into the lumen of the colon (8 cm proximal to the anus through the rectum), and they were kept in a vertical position for 5 min before being returned to their cages. Rats in the control group were handled similarly, but 50% (v/v) ethanol alone was administrated instead. All rats were euthanized on day 5 after the TNBS administration. The colon tissues from 5 to 7 cm proximal to the rectum were cut out and used for histological examinations

Results

The severity of colitis was evaluated by observing gross change in the distal portion of the colon. Macroscopic inflammation scores were assigned based on gross morphological changes.

7.1.4 Diet Preparation

The experimental diet that includes all amino acids, except for Asparatamine, Glutamine, and Cysteine were fed to the experimental rats for a complete amino acid absorption assay.

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Table 2. Composition of the diet, expressed as g/100g feed (w/w dry matter)

Non-amino acids component Amino acids components

Glucose: 63.9 Alanine: 0.61 Lysine: 1.81Cellulose: 5.0 Arginine: 0.71 Methionine: 0.59Soybean oil: 5.0 Aspartic acid: 1.39 Phenylalanine: 0.99CaCO3: 1.24 Glutamic acid: 4.64 Proline: 1.79NaH2PO42H20: 0.34 Cysteine: 0.53 Serine: 1.18MgCO3: 0.14 Glycine: 0.36 Threonine: 0.88KCl: 0.11 Histidine: 0.57 Tryptophan: 0.25KH2PO4: 1.05 Isoleucine: 1.01 Tyrosine: 1.09Vitamin/mineral mi: 2.2 Leucine: 1.87 Valine: 1.24Total: 79.0 Total: 21.0

Results

Completed according to the diet and feeding schedule set forth in this section.

7.1.5 Optimal Dose for AstraGinTM in Normal Rats

3 dosages (0.2~10X) were selected. 3 normal rats per group were randomly assigned to the 3 dosage groups.

Table 3. Recommended Dosage of AstraGinTM

AstraGinTM For Human(mg of AstraGinTM/60 Kg BW)

Human(mg/Kg BW)

Rat(mg/Kg BW)

0.2X 10 0.16 0.101.0X 50 0.83 5.1410X 500 8.33 51.39

Results

The equivalent dose of 50 mg for human produced the best result among the three dosages of 10 mg, 50 mg, and 500 mg. 50 mg of AstraGinTM displayed best effect on body weight changes and other biochemical markers. Plasma amino acid levels are being analyzed. Details are forthcoming.

7.1.6 Optimal Time for AstraGinTM in Normal Rats

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Three (3) time points were set up in the study to evaluate the optimal time for AstraGinTM

(1). Immediate effect: blood samples taken from rats' tails after oral administration of AstraGinTM on day 1 were evaluated.(2). 1-week effect: blood samples taken from the rats' tails after daily oral administration of AstraGinTM on day 2 to day 7 were evaluated.(3). 2-week effect: blood samples taken from the rats' tails after daily oral administration of AstraGinTM on day 8 to day 14 were evaluated.

Results

The efficacy of AstraGinTM was at the same level based on body weight curve as demonstrated in the previous in vtiro studies on day 1 and continued for two (2) weeks. There was no decline in the level of efficacy after two weeks.

Table 5. Days required for oral Administration of AstraGinTM in cannulated rats

Arrival of SD rats Start oral AstraGinTM/experimental feeding -14 0 1 8 15

Blood sampling Blood sampling Blood sampling

7.1.7 Biochemical and Genetic assay

A. Collection of Intestine, Muscle, and Fat Cells from normal rats euthanized after 2 weeks of daily oral administration of AstraginTM

Intestine cells: to identify specific intestinal transporters

1. Targeting against specific transporters, such as those for cationic amino acids, for optimal transporters and their antibodies.2. Setting-up optimal condition for intestinal extract. SGLT1 gene expression assays were done

in various intestinal sites to see which section produced most noticeable results.(sample 1) Muscle cells: to analyze the GLUT4/phospho AMPK gene expression in muscle cells. Results

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were consistent with the in vitro data, and 50mg/ml AstraGinTM has the best effect. ( samples 2- 4)

Fat cells: to analyze the GLUT4/phospho AMPK gene expression in fat cells. ( samples 5-6)

Sample 1 (SGLT1 expression in rat intestinal tissues):

Sample 2 (phospho AMPK expression in rat muscle tissue):

Sample 3 (phospho AMPK expression in rat muscle tissue):

Sample 4 (GLUT4 expression in rat muscle tissue)

Sample 5 (phospho AMPK expression in rat fat tissue)

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Sample 6 (GLUT4 expression in rat fat tissue)

7.1.8 Blood Chemistry Analysis

Results

Blood samples taken from the rats' tails are being analyzed.

7.2 Phase II ( Amino Acid Absorption Assays)

The procedure for performing Phase II study will be identical to Phase I except that the “Optimal Dosage” and “Optimal Time” will be focused on narrower ranges of dosage and time duration. The results from Phase I will provide data on what should be the meaningful ranges of dosage and time duration to study.

7.3 Phase III (Vitamins Absorption Assays)

The procedure for performing Phase III study will be identical to Phase I except that the “Optimal Dosage” and “Optimal Time” will be focused on narrower ranges of dosage and time duration. The results from Phase I will provide data on what should be the meaningful ranges of dosage and time duration to study.

7.4 Phase IV (Fatty Acids Absorption Assays)

The procedure for performing Phase IV study will be identical to Phase I except that the “Optimal Dosage” and “Optimal Time” will be focused on narrower ranges of dosage and time duration. The results from Phase I will provide data on what should be the meaningful ranges of dosage and time duration to study.

7.5 Phase V ( (Other Assays) (completion date early 2012)

1. Glucose/Insulin level2. TG/Fat content

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3. Q-PCR: SGLT-1(intestine), SGLT-2(renal), GLUTs, Adipocytokines4. ELISA: Adipocytokines(adiponectin, TNF, PAI-1, RBP-4, etc), Insulin5. Western blots: SGLT-1(intestine), SGLT-2(renal),GLUTs6. Anti-oxidation: SOD, etc7. Others

8. Toxicity Studies

8.1 Toxicity Studies from Published Peer-Reviewed Scientific Articles

Ingredient Safety Study Outcome Ref.

Astragalus membranaceus

Acute toxicity (mice) LD50: 79.98 g/Kg1, 7, 8, 9

Embryotoxicity (rats, rabbits) Positive (dosage >1.0 mg/Kg) 2

Chronic toxicity (rats) Negative (45, 90, 180 g / Kg)6, 8, 10

Micronucleus (mice) Negative (2.75, 5.5, 11 g / Kg) 7

Panax ginseng

Acute toxicity (mice, rats) LD50 >21.5 g/ Kg (mice, rats) 3

Ames test Negative 11

Chronic toxicity (rats)Negative (dosage: 0.625, 1.25, 2.5 g/Kg, 6 months)

4, 11

Micronucleus (mice) Negative (2.5, 5, 10 g / Kg) 11

Mutagenicity (mice)Negative (dosage: 2.15, 4.3, 8.6 g/Kg)

3

Embryotoxicity (embryonic stem cell from mouse)

ID50D3:114±8.21 μg/ml (Rb1)ID50D3: 80±5.75 μg/ml (Rg1)

5

8.2 Twenty-eight Days Repeated Oral Toxicity Study in Rats

NuLiv Science has commissioned AIBMR Life Sciences to carry out a full study and evaluation on the safety of AstraGinTM. A report issued by AIBMR indicated that published scientific articles in peer-review journals on orally administered Astragalus membranaceus extract showed a NOAEL of 22 g / Kg and 90 g / kg in rats and 1100 mg / Kg in a 30-day repeated oral toxicity study on a Panax notoginseng extract. AIBMR concluded that the totality of evidence does not give significant concern for toxicity with oral consumption and recommended one Twenty-eight Days Repeated Oral Toxicity Study in Rats for a self-affirmation of GRAS.

The Twenty-eight Days Repeated Oral Toxicity Study in Rats will be carried out at a AIBMR affiliated GLP lab in September, 2011 and will be completed in about 3 months. The study will

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follow the OECD 407 protocol that is approved by FDA.

9. Discussion

Sustainability of human life requires the availability of necessary nutrients to the trillion cells in human body. Nutrients in the foods must first be broken down by the digestive process to the forms that are utilizable by these cells and then "absorbed" by the intestinal cells and lymphatic ducts before becoming "available" to them.

Improving digestion using digestive enzymes and creating a balanced eco-system in the digestive tract through the use of beneficial bacteria have been widely used. But the most critical phase in the long and complicated nutrient uptake processes occurs at the final absorption, which truly decide how much of these nutrients will be available to the trillion cells in human body. Best nutritious, balanced diet, and complete digestion do not guarantee that these nutrients will be totally absorbed.

AstraGinTM has shown in NuLiv Science’s in vitro and in vivo studies to increase the absorption of amino acids, vitamins, and glucose in CaCo-2 cells and in animals.

AstraGinTM can be an important ingredient in dietary supplements and functional foods to improve the general health of anyone, especially children growing up, seniors, and physically demanding and health-compromised individuals.

10. Conclusion

Absorption determines amount of nutrients available for maintaining the normal activities as well as repairing and rebuilding cells, tissues, and organs in human body. Absorption plays a very critical role in maintaining life and promoting health in humans and animals.

AstraGinTM is an ideal ingredient to improve the nutritional value of a wide range of foods and dietary products as AstraGinTM enhances the absorption of the nutrients in them.

11. COA (Certificate of Analysis)

AstraGinTM

A NuLiv Proprietary All Natural Absorption Enhancing Ingredient

(A NuLiv Proprietary Pharmaceutical Extraction and Formulation from Astragalus Membranaceus and Panax

Notoginseng)

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Certificate of Analysis

Product Name AstraGinTM Manufacturing Date 2010.06.21

Batch No. 20100621 Sampling Date 2010.06.21

Batch Quantity 700 Kg Expiration Date 2013.06.20

Item Specification Result Method

Marker Compounds

Total saponins ≧1.5% 2.35% NLS-Complex-002(UV)Organoleptic Data

Appearance Powder Conform NLS-QCS-1008

Color Beige Conform NLS-QCS-1008

Odor Characteristic Conform NLS-QCS-1008

Taste Characteristic Conform NLS-QCS-1008

Process Data

Plant Name & Part UsedAstragalus membranaceus (root)

Panax notoginseng (root)Conform

Method of Processing Extraction/Ethanol & Water Conform

Carrier None Conform

Drying Method Vacuum dried Conform

Excipient Non-GMO maltodextrin Conform

Physical Characteristics

Particle Size (65 mesh) ≧80% 93.0% GB/T 5507-2008

Loss on Drying ≦8.0% 6.49% GB/T 14769-1993

Ash Content ≦5.0% 0.95% AOAC 942.05, 18th

Bulk Density 0.30~0.60g/ml 0.468g/ml NLS-QCS-1013

Solubility in Water Soluble Conform NLS-QCS-1009

Heavy Metals

Total Heavy Metals ≦10 ppm Conform USP <231>, Meth. II

Arsenic ≦10 ppm (*) 0.022ppm AOAC 986.15, 18th

Lead ≦0.5 ppm (*) 0.15 ppm AOAC 986.15, 18th

Mercury ≦0.3 ppm (*) 0.047 ppm AOAC 971.21, 18th

Cadmium ≦0.5 ppm <0.005ppm AOAC 986.15, 18th

Microbiological Tests

Total Plate Count ≦1000 cfu/g Conform AOAC 990.12, 18th

Total Yeast & Mold ≦100 cfu/g Conform FDA (BAM) Chapter 18, 8th Ed.

E. Coli Negative Conform AOAC 997.11, 18th

Salmonella Negative Conform FDA (BAM) Chapter 5, 8th Ed.

* California Proposition 65 limits

We do hereby certify that this product is GMO free, is not gamma irradiated, contains no melamine, silica gel, milk,

or milk derivatives and conforms to EU regulations EC 1829/2003 and 1830/2003.

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Tested by:Amy Ji, Cindy Guo Date:2010.06.30

Approved by:Sunnie Sun, Ph.D. Date:2010.06.30

12. Nutrition Facts

%

Protein 0.2%

Fat 0.27%

Fiber 0.07%

Total carbohydrate 82.1%

Moisture 4.9%

Ph 5.29

13. Indications

Based on the result of NuLiv Science in vitro study, 50 mg up to 3 times a day.

14. Reference

1. M. Du, etc. Study on acute toxicity of hairy root cultures of Astragalus membranaceus in mice. Chinese Herbal Medicine. 1999, Vol.30, No.6, P.444.2. Y.P. Zhu, etc. Evaluation on developmental toxicity of Astragalosides in rats and rabbits. Journal of Toxicology. 2007, Vol.21, No.4, P.317.3. X.P. Xu, etc. Study on toxicity of Ginseng and ginsenosides. Pharmaco-toxicity journal. 1988, Vol. 2, No.1, P. 54.4. M.Y. Zeng, etc. Study on toxicity of Ginseng. Traditional Chinese Drug Research & Clinical Pharmacology. 1997, Vol. 8, No.1, P. 52.5. Z. Yu, etc. Embryonic stem cell test for the study of the developmental toxicities of

ginsenoside Rb1、Rg1. Journal of Toxicology. 2008, Vol. 22, No.3, P. 173.6. Y. Liu, etc. Long Term Toxicity Experimental Study of Traditional Chinese Herb Huangqi. Modern J. of Integrated Triditional Chinese and Western medicine. 2009, Oct. 18(29).7. H. Tian, etc. Toxicological Study of Huangqi Astragalus Membranaceus Composite. J. of Pub Health and Prev Med. 2010, vol.21, No.2.8. R. Han, etc. Acute and Chronic Toxicity Studies of Huangqi Injection in Mice and Rats.Chinese Wild Plant Resource. Vol 2, No. 4, Aug. 2004.9. Y.H. Yang, etc. Acute toxicity study on a lyophilized Astragalus extract. ACTA Academia medicine Xuzhou. 2007, 27(2).10. Y.H. Yang, etc. Chronic toxicity study of a lyophilized Astragalus extract in rats and dogs. Lshizhen medicine and maeria medica research. 2009, vol. 20 nO.1.11. C.L. ken, etc. Toxicity study of a Notoginseng saponin extract. Yuenan traditional Chinese

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medicine pharmacology J. 2006, Vol. 27, Nol. 5.

The contents of this publication have not been evaluated by the Food and Drug Administration. They

are not presented here to provide information and advice that in any way is intended to diagnose, treat,

cure or prevent disease.

All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any

means, electronic or mechanical, including photocopying, recording, or any other information storage

and retrieval system, without the written permission of NuLiv Science.

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