Gastrex
by SP Standard Process · capsule · 90 capsules
- Off the market since August 2025 (NIH)
- DSLD label 26913
- Serving 2 capsules
- 45 servings
Gastrex by SP Standard Process lists 18 ingredients, 3 with an amount per serving of 2 capsules, such as 3.4 mg of vitamin C, 6.4 mg of niacin and 0.1 mg of vitamin B6; 15 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.
What is in Gastrex?
Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calories | 2 Calories | ||
| Vitamin C | 3.4 mg | 6% | 98% of 18,583 products listing vitamin C give more (median 100 mg). |
| Niacin | 6.4 mg | 30% | 88% of 12,413 products listing niacin give more (median 20 mg). |
| Vitamin B6 | 0.1 mg | 8% | 99% of 15,277 products listing vitamin B6 give more (median 6 mg). |
| Proprietary Blend | 590 mg | ||
| Okra | in the blend, no amount given | ||
| bentoniteas montmorillonite | in the blend, no amount given | ||
| Tillandsia usneoides | in the blend, no amount given | ||
| Anise | in the blend, no amount given | ||
| Bovine Liver | in the blend, no amount given | ||
| Porcine | in the blend, no amount given | ||
| Choline Bitartrate | in the blend, no amount given | ||
| Alginic Acid | in the blend, no amount given | ||
| Calcium Lactate | in the blend, no amount given | The label names the compound (Calcium Lactate); its amount is likely the compound's weight, not the calcium it holds, so it is not placed among other products. | |
| Porcine Duodenum | in the blend, no amount given | ||
| allantoin | in the blend, no amount given | ||
| defatted Wheat Germ | in the blend, no amount given | ||
| exsiccated disodium phosphate | in the blend, no amount given | ||
| Oat (straw) extract | in the blend, no amount given | ||
| Para-Aminobenzoate | in the blend, no amount given | ||
| Porcine Brain | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 26913 (entered November 25, 2013), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 98% of the 18,583 products that print an amount of vitamin C list more than its 3.4 mg of vitamin C (median 100 mg).
- 99% of the 15,277 products that print an amount of vitamin B6 list more than its 0.1 mg of vitamin B6 (median 6 mg).
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with Gastrex's, rare ingredients counting for more.
- Cataplex GSP Standard Process · off the market 10 shared, 38% alike
- Cardio-PlusSP Standard Process 12 shared, 36% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: Two capsules with a full glass of water 15 minutes before meals and bedtime, or as directed.
Source: label statements in DSLD label 26913.
What else is on the label?
Other ingredients: Gelatin, Water, Calcium Stearate, Niacinamide, colors, Ascorbic Acid, Pyridoxine Hydrochloride.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Sold Through Health Care Professionals.
How many labels does Gastrex have?
One label is on file, entered on November 25, 2013.
- Label 26913 (current) Entered November 25, 2013 · off the market August 15, 2025 · 90 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Standard Process(R) (manufacturer). All SP Standard Process products.