PlainVitamins

GI Guard

by Protocol For Life Balance · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 7 07359 13345 7
  • DSLD label 326439
  • Serving 1 tablet
  • 60 servings

GI Guard by Protocol For Life Balance lists 6 ingredients, 6 with an amount per serving of 1 tablet, such as 70 mg of calcium, 8 mg of zinc, 37.5 mg of PepZin GI and 100 mg of mastic gum, powder. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2025.

What is in GI Guard?

Each row as the label prints it, per serving of 1 tablet. 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).

GI Guard: Supplement Facts rows against the market (DSLD label 326439, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium70 mg5%Calcium in GI Guard against 17,831 products70 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg70 mg

65% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 140 mg.

Calcium Carbonate206 mg
Zinc8 mg73%Zinc in GI Guard against 13,186 products8 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg8 mg

60% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 16 mg.

PepZin GI37.5 mg
PepZin GIas Zinc-L Carnosine Complex37.5 mgZinc-l-Carnosine in GI Guard against 36 products37.5 mg per serving; the middle half of products list 34.38 mg to 75 mg, the median 75 mg.37.5 mg

61% of 36 products listing zinc-l-carnosine give more (median 75 mg). Per day at the most servings: 75 mg.

Mastic Gum, Powder100 mgMastic in GI Guard against 41 products100 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 350 mg.100 mg

66% of 41 products listing mastic give more (median 350 mg). Per day at the most servings: 200 mg.

Slippery Elm100 mgSlippery Elm in GI Guard against 232 products100 mg per serving; the middle half of products list 50 mg to 300 mg, the median 150 mg.100 mg

59% of 232 products listing slippery elm give more (median 150 mg). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 326439 (entered January 23, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 2 servings 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 GI Guard's, rare ingredients counting for more.

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 usage: Take 1 tablet twice daily, or as directed by your healthcare practitioner.
Warnings
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Source: label statements in DSLD label 326439.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Coating, Silicon Dioxide, Magnesium Stearate.

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

How many labels does GI Guard have?

One label is on file, entered on January 23, 2025.

  1. Label 326439 (current) Entered January 23, 2025 · on the market · 60 tablets · UPC 7 07359 13345 7

DSLD also links this label to: Clinical Strength PepZin GI Soothe (image difference, same product), Clinical Strength PepZin GI Soothe (image difference, same product), PepZin GI Soothe (image difference, same product), PepZin GI Soothe (image difference, same product), GI Guard AM (image difference, same product), GI Guard AM (image difference, same product), GI Guard AM (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 Protocol For Life Balance (manufacturer, distributor), Bloomingdale, IL. All Protocol For Life Balance products.

Where next?