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Metagenics, GI Sustain, 24.2 oz (686 g)

Metagenics, GI Sustain, 24.2 oz (686 g)

Regular price $112.48 USD
Regular price $112.48 USD Sale price $112.48 USD
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Product Overview


  • Gastrointestinal Nutritional Support
  • Formulated for Neurtral Taste
  • Naturally Flavored
  • Practitioner Exclusive
  • Gluten-Free
  • Dietary Supplement
  • Non-GMO
  • Certified Gluten Free™

GI Sustain™ is designed to provide gastrointestinal nutritional support. The formula is uniquely designed to help promote the growth of beneficial bacteria by including prebiotic nutrients, combined with readily digestible macronutrients. 

GI Sustain features L-glutamine and prebiotic isomalto-oligosaccharides (IMOs) to promote gastrointestinal health. 

  • Nourishes the cells of the intestinal mucosa
  • Features rice protein concentrate supplemented with L-lysine and L-threonine for an naturally- derived amino acid profile
  • Formulated with rice syrup solids as a naturally- derived energy source
  • Features medium-chain triglycerides, a readily absorbed and metabolized lipid source
  • Features prebiotic IMOs to selectively nourish beneficial bacteria, including lactobacilli and bifidobacteria
  • Formulated with zinc and L-glutamine to nutritionally support gastrointestinal mucosa integrity 
  • Features methylated vitamin B12 and calcium L-5 methyltetrahydrofolate, a bioavailable folate

Expiration Date

10/01/2025 00:00:00




Rice protein concentrate, rice syrup solids, apple fiber, olive oil, medium-chain triglycerides, gum acacia, silica, natural flavors,†† and rice maltodextrin. 

This product is non-GMO and gluten-free. 

††No MSG.

Suggested Use

Blend, shake, or briskly stir about 2 level scoops (49 grams) of GI Sustain into 8 ounces of chilled water or juice twice daily or as directed by your healthcare practitioner. For highly sensitive individuals, consider reducing consumption to 1/2 to 1 scoop with 4 to 5 ounces of chilled water or juice twice daily during the first 3 to 4 days before starting a full daily dose. 


Excess vitamin A intake may increase the risk of birth defects. Pregnant women and women who may become pregnant should not exceed 3,000 mcg of preformed vitamin A (retinyl palmitate) per day unless instructed to do so by a healthcare practitioner. 

Keep out of the reach of children. 

Storage: Keep tightly closed in a cool, dry place. 

Tamper Evident: Do not use if safety seal is missing or broken. 

Contents sold by weight, not volume. Some settling may occur during shipping and handling. Serving size is measured by weight with a scoop included for your convenience. The amount of product contained in two scoops may be above or below 49 grams due to variations in handling and product density.

Supplement Facts
Serving Size: About 2 Scoops (49 g)
Servings Per Container: 14
  Amount Per Serving %Daily Value
Total Fat
5 g 6%**
Saturated Fat
1.5 g 8%**
Total Carbohydrate
24 g 13%**
Dietary Fiber
5 g 7%**
Total Sugars
9 g ***
Includes 5g Added Sugars
13 g 26%**
Vitamin A (62.5% as beta-carotene) (as beta-carotene and retinyl palmitate)
1,200 mcg 133%
Vitamin C (as ascorbic acid)
102 mg 113%
Vitamin D (as cholecalciferol)
1.2 mcg (50 IU) 6%
Vitamin E (as d-alpha tocopheryl acetate)
33.5 mg 223%
Thiamin (as thiamin HCl)
0.5 mg 42%
0.6 mg 46%
Niacin (as niacinamide)
10 mg 63%
Vitamin B6 (as pyridoxine HCl)
0.7 mg 41%
Folate (as calcium L-5-methyltetrahydrofolate)†
235 mcg DFE 59%
Vitamin B12 (as methylcobalamin)
2.1 mcg 88%
105 mcg 350%
Pantothenic Acid (as calcium D-pantothenate)
100 mg 2,000%
Calcium (as calcium citrate and dicalcium phosphate)
300 mg 23%
Iron (as ferrous fumarate)
3.6 mg 20%
Phosphorus (as dipotassium phosphate and dicalcium phosphate)
180 mg 14%
Magnesium (as magnesium citrate)
120 mg 29%
Zinc (as zinc gluconate)
7.5 mg 68%
Copper (as copper gluconate)
0.5 mg 56%
1.3 mg 57%
Chromium (as chromium picolinate)
75 mcg 214%
20 mg <1%
Potassium (as dipotassium phosphate)
300 mg 6%
3.4 g ***
500 mg ***
100 mg ***
100 mg ***
L-Lysine (as L-lysine HCl)
35 mg ***
L-Threonine 34 mg ***
L-Cysteine (as L-cysteine HCl)
25 mg ***
**Percent Daily Values are based on a 2,000 calorie diet.
***Daily Value not established.