GI Sustain is a other combinations supplement by Metagenics in powder form, listing 46 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as on-market. Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Ingredients listed on each label, against the other combinations category average of 21.8. Data from the NIH DSLD.
GI Sustain46
1,000 mg Vitamin C Acai Berry34
Other Combinations average21.8
GI Sustain lists 12 ingredients more than 1,000 mg Vitamin C Acai Berry. That is 24 above the other combinations average.
What the Label Data Shows
According to NIH DSLD label rows, GI Sustain sits in the top 2% of products with a countable formula by declared ingredient count.
With 46 ingredients on the label, GI Sustain is one of the more extensive other combinations supplement formulas from Metagenics in the NIH Dietary Supplement Label Database (DSLD), sold in powder form. These ingredients span 10 nutrient categories, vitamin, mineral, amino acid, fat, and 6 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 46-ingredient formula, 46 of 46 have no percentage Daily Value reported in this DSLD source record, so the available data cannot establish their FDA reference status.
Market status matters for supplement research. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2025-02-23. An on-market listing means the product is currently sold in the United States; the DSLD catalogs the label as submitted but does not independently verify the claims or evaluate safety or efficacy.
About the DSLD database
The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for GI Sustain: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Nationwide supplements with similar label profiles
Two DSLD-derived peer sets for GI Sustain, both outside the Metagenics brand so the neighborhoods are not catalog containment (the same-type Nearby block above stays type-local).
Similar ingredient count
Nearest cross-brand formulas by declared ingredient count (46 here).
Total Carbohydrates, Total Sugars, Added Sugars, +1 more
fiber
3
Dietary Fiber, Isomalto-Oligosaccharides, Apple Fiber
other
2
Calories, Natural Flavors
protein
2
Protein, Rice Protein Concentrate
botanical
1
Acacia Gum
complex carbohydrate
1
Rice Maltodextrin
Daily Value Coverage
0
Above 100% DV
0
Below 100% DV
46
%DV not reported in source
Frequently Asked Questions
What ingredients are in GI Sustain? ▼
GI Sustain contains 46 ingredients. By declared ingredient count it sits in the top 2% of DSLD products PlainVitamins places. Ingredients span 10 categories: vitamin, mineral, amino acid, fat, sugar, fiber, other, protein, botanical, complex carbohydrate.
Who manufactures GI Sustain? ▼
GI Sustain is currently manufactured by Metagenics. It is classified as a Other Combinations supplement in powder form.
Is GI Sustain still available for purchase? ▼
Yes, GI Sustain is currently listed as on-market in the NIH DSLD database.
What is the serving size of GI Sustain? ▼
The serving size is not specified.
What type of supplement is GI Sustain? ▼
GI Sustain is classified as a "Other Combinations" supplement in the NIH database. This category includes products primarily composed of other combinations ingredients. DSLD sorts every supplement into one of 9 categories overall: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, or Other Combinations.
Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD),
maintained by the Office of Dietary Supplements at the National Institutes of Health.
The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market"
may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice
Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.