PlainVitamins

Formula SF734

by Thorne Research · capsule · 90 vegetarian capsules

  • Off the market since December 2019 (NIH)
  • UPC 6 93749 73402 4
  • DSLD label 16060
  • Serving 2 capsules
  • 45 servings

Formula SF734 by Thorne Research lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 400 mg of deglycyrrhizinated licorice (DGL) extract, 300 mg of bentonite clay, 120 mg of bismuth citrate and 100 mg of berberine HCl. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2012.

What is in Formula SF734?

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).

Formula SF734: Supplement Facts rows against the market (DSLD label 16060, January 2026 release)
IngredientAmount% DVAmong products listing it
Deglycyrrhizinated Licorice (DGL) extract400 mgLicorice in Formula SF734 against 888 products400 mg per serving; the middle half of products list 42 mg to 300 mg, the median 100 mg.400 mg

Higher than 80% of 888 products listing licorice (median 100 mg). Per day at the most servings: 1,600 mg.

Bentonite Clay300 mgBentonite in Formula SF734 against 33 products300 mg per serving; the middle half of products list 25 mg to 300 mg, the median 100 mg.300 mg

Higher than 73% of 33 products listing bentonite (median 100 mg). Per day at the most servings: 1,200 mg.

Bismuth CitrateBismuth Citrate Note: Bismuth citrate may cause temporary and harmless darkening of the stool. Berberis Concentrate Berberine HCl 85%.120 mg
Berberine HClas Indian Barberry extractBerberine HCl (Form: from Indian Barberry extract PlantPart: root Genus: Berberis Species: aristata)100 mgBerberine in Formula SF734 against 419 products100 mg per serving; the middle half of products list 131.5 mg to 500 mg, the median 400 mg.100 mg

76% of 419 products listing berberine give more (median 400 mg). Per day at the most servings: 400 mg.

Source: NIH ODS Dietary Supplement Label Database, label 16060 (entered November 21, 2012), 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 4 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 Formula SF734's, rare ingredients counting for more.

  • Pepti-GuardThorne Research · off the market 3 shared, 62% alike
  • Pepti-GuardThorne · off the market 3 shared, 62% alike
  • Bio-HPFBiotics Research Corporation 4 shared, 37% 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: Take 2 capsules four times daily for eight weeks or as recommended by your health-care practitioner.
Warnings
Tamper Evident: Use only if bottle is sealed.
WARNING: If pregnant, nursing, or trying to conceive, do not use this product.
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 16060.

What else is on the label?

Other ingredients: Hypromellose (derived from Cellulose) Capsule, Leucine, Silicon Dioxide.

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

How many labels does Formula SF734 have?

One label is on file, entered on November 21, 2012.

  1. Label 16060 (current) Entered November 21, 2012 · off the market December 18, 2019 · 90 vegetarian capsules · UPC 6 93749 73402 4

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

Who makes it?

The label names Thorne Research, Inc. (manufacturer), Dover, Idaho. All Thorne Research products.

Where next?