PepZinGI

by Doctor's Best · capsule · 120 veggie caps

  • Off the market since December 2022 (NIH)
  • UPC 7 53950 00136 7
  • DSLD label 202946
  • Serving 2 veggie capsules
  • 60 servings

PepZinGI by Doctor's Best lists 3 ingredients, 3 with an amount per serving of 2 veggie capsules, such as 16 mg of zinc, 75 mg of zinc-L-carnosine and 59 mg of L-carnosine. Its current label entered the NIH Dietary Supplement Label Database on May 28, 2019.

What is in PepZinGI?

Each row as the label prints it, per serving of 2 veggie 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).

PepZinGI: Supplement Facts rows against the market (DSLD label 202946, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas PepZin GI Zinc-L-CarnosineZinc (Form: from PepZin GI Zinc-L-Carnosine)16 mg150%Zinc in PepZinGI against 13,186 products16 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg16 mg

Higher than 78% of 13,186 products listing zinc (median 11 mg).

Zinc-L-Carnosine75 mgZinc-l-Carnosine in PepZinGI against 36 products75 mg per serving; the middle half of products list 34.38 mg to 75 mg, the median 75 mg.75 mg

6% of 36 products listing zinc-l-carnosine give more (median 75 mg).

L-Carnosineas PepZin GI Zinc-L-CarnosineL-Carnosine (Form: from PepZin GI Zinc-L-Carnosine)59 mgCarnosine in PepZinGI against 154 products59 mg per serving; the middle half of products list 50 mg to 500 mg, the median 100 mg.59 mg

59% of 154 products listing carnosine give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 202946 (entered May 28, 2019), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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?

3 products list the very same ingredients; the nearest amounts come first.

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 Adult Use: Take 2 capsules daily on an empty stomach, as recommended by a nutritionally-informed physician.
Allergens and what it does not contain
Non-GMO Gluten Free Soy Free
Storage
Store in a cool dry place.

Source: label statements in DSLD label 202946.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Modified Cellulose, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegan.

How many labels does PepZinGI have?

One label is on file, entered on May 28, 2019.

  1. Label 202946 (current) Entered May 28, 2019 · off the market December 16, 2022 · 120 veggie caps · UPC 7 53950 00136 7

DSLD also links this label to: PepZin GI Zinc-L-Carnosine Complex (image difference, same product), PepZin GI Zinc-L-Carnosine Complex (image difference, same product), Zinc Carnosine Complex With Pepzine GI (image difference, same product), PepZin GI (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.

Where next?