PlainVitamins

Undecyn

by Thorne · capsule · 120 capsules

  • Off the market since February 2024 (NIH)
  • UPC 6 93749 74202 9
  • DSLD label 291800
  • Serving 3 capsules
  • 40 servings

Undecyn by Thorne lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 40 mg of calcium, 450 mg of betaine hydrochloride, 450 mg of calcium undecylenate and 150 mg of berberine hydrochloride. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2023.

What is in Undecyn?

Each row as the label prints it, per serving of 3 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).

Undecyn: Supplement Facts rows against the market (DSLD label 291800, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium40 mg3%Calcium in Undecyn against 17,831 products40 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg40 mg

79% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 80 mg.

Betaine Hydrochloride450 mgBetaine Hydrochloride in Undecyn against 914 products450 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.450 mg

Higher than 88% of 914 products listing betaine hydrochloride (median 50 mg). Per day at the most servings: 900 mg.

Calcium Undecylenateas Time-Sorb450 mg
Berberine Hydrochlorideas Indian Barberry root extractBerberine HCl (Form: from Indian Barberry extract PlantPart: root Genus: Berberis Species: aristata)150 mgBerberine in Undecyn against 419 products150 mg per serving; the middle half of products list 131.5 mg to 500 mg, the median 400 mg.150 mg

70% of 419 products listing berberine give more (median 400 mg). Per day at the most servings: 300 mg.

Source: NIH ODS Dietary Supplement Label Database, label 291800 (entered May 24, 2023), 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?

2 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 use: Take 3 capsules two times daily 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.
Do not take this product out of the capsule.
This product is contraindicated in patients with peptic ulcers.
Allergens and what it does not contain
Gluten free
This product is not diluted with lactose.
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 291800.

What else is on the label?

Other ingredients: High and low viscosity Hydroxypropyl Methyl-Cellulose, Calcium Laurate, Magnesium Citrate, Hypromellose, Leucine, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Manufactured in the USA using US & imported ingredients.

How many labels does Undecyn have?

5 labels are on file under this name since October 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 291800 (current) Entered May 24, 2023 · off the market February 20, 2024 · 120 capsules · UPC 6 93749 74202 9
  2. Label 260590 Entered December 18, 2021 · off the market February 21, 2023 · 120 capsules · UPC 6 93749 74202 9
  3. Label 245242 Entered April 22, 2021 · off the market October 4, 2021 · 120 capsules · UPC 6 93749 74202 9
  4. Label 231317 Entered July 23, 2020 · off the market November 10, 2020 · 120 capsules · UPC 6 93749 74202 9
  5. Label 182337 Entered October 25, 2018 · off the market May 18, 2020 · 120 capsules · UPC 6 93749 74202 9

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). All Thorne products.

Where next?