PlainVitamins

ThyroSense

by Natural Factors WomenSense · capsule · 60 vegetarian capsules

  • Off the market since May 2017 (NIH)
  • UPC 0 68958 04940 3
  • DSLD label 51773
  • Serving 2 capsules
  • 30 servings

ThyroSense by Natural Factors WomenSense lists 10 ingredients, 10 with an amount per serving of 2 capsules, such as 100 mg of pantothenic acid, 100 mcg of iodine, 50 mcg of selenium and 500 mcg of copper. Its current label entered the NIH Dietary Supplement Label Database on November 24, 2015.

What is in ThyroSense?

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).

ThyroSense: Supplement Facts rows against the market (DSLD label 51773, January 2026 release)
IngredientAmount% DVAmong products listing it
Pantothenic Acidas Calcium Pantothenate100 mg1,000%Pantothenic Acid (Vitamin B5) in ThyroSense against 10,060 products100 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg100 mg

Higher than 86% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg). Per day at the most servings: 200 mg.

Iodineas Potassium Iodide100 mcg67%Iodine in ThyroSense against 6,382 products100 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg100 mcg

59% of 6,382 products listing iodine give more (median 150 mcg). Per day at the most servings: 200 mcg.

Seleniumas L-Selenomethionine50 mcg71%Selenium in ThyroSense against 7,658 products50 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg50 mcg

56% of 7,658 products listing selenium give more (median 55 mcg). Per day at the most servings: 100 mcg.

Copperas Copper Gluconate500 mcg25%Copper in ThyroSense against 6,468 products0.5 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.5 mg

68% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 1 mg.

Manganeseas Manganese Citrate500 mcg25%Manganese in ThyroSense against 7,016 products0.5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg0.5 mg

86% of 7,016 products listing manganese give more (median 2 mg). Per day at the most servings: 1 mg.

L-Tyrosine500 mgTyrosine in ThyroSense against 1,680 products500 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.500 mg

34% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 1,000 mg.

Ashwagandha extract150 mgAshwagandha in ThyroSense against 1,646 products150 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.150 mg

61% of 1,646 products listing ashwagandha give more (median 250 mg). Per day at the most servings: 300 mg.

WithanolidesWithanolides Note: 1.5%2.25 mgWithanolide in ThyroSense against 79 products2.25 mg per serving; the middle half of products list 3.13 mg to 20 mg, the median 8 mg.2.25 mg

82% of 79 products listing withanolide give more (median 8 mg). Per day at the most servings: 4.5 mg.

Guggul extract120 mgGuggul in ThyroSense against 279 products120 mg per serving; the middle half of products list 50 mg to 350 mg, the median 100 mg.120 mg

Higher than 53% of 279 products listing guggul (median 100 mg). Per day at the most servings: 240 mg.

GuggulsteronesGuggulsterones Note: 2.5%3 mgGuggulsterone in ThyroSense against 43 products3 mg per serving; the middle half of products list 3.38 mg to 25 mg, the median 9 mg.3 mg

74% of 43 products listing guggulsterone give more (median 9 mg). Per day at the most servings: 6 mg.

Source: NIH ODS Dietary Supplement Label Database, label 51773 (entered November 24, 2015), 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:

  • 86% of the 7,016 products that print an amount of manganese list more than its 0.5 mg of manganese (median 2 mg).

The NIH database records 1 to 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 usage: 2 capsules 1–2 times per day or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding or trying to conceive, or if you are taking medication, have a medical condition or anticipate a surgery.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 51773.

What else is on the label?

Other ingredients: Vegetarian Capsule, Microcrystalline Cellulose, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura NON-GMO - MASS SPEC Documentation~ Lab Tested~; Purity & Potency Guaranteed.

How many labels does ThyroSense have?

2 labels are on file under this name since October 22, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 51773 (current) Entered November 24, 2015 · off the market May 6, 2017 · 60 vegetarian capsules · UPC 0 68958 04940 3
  2. Label 52805 Entered October 22, 2015 · off the market May 6, 2017 · 120 vegetarian capsules · UPC 0 68958 04946 5

DSLD also links this label to: ThyroSense Thyroid Formula (image difference, same product), ThyroSense Thyroid Formula (package size difference, same product), ThyroSense Thyroid Formula (image difference, same product), ThyroSense Thyroid Formula (package size difference, same product), ThyroSense Thyroid Formula (package size difference, same product), ThyroSense Thyroid Formula (image difference, same product), ThyroSense Thyroid Formula (package size difference, same product), ThyroSense Thyroid Formula (package size 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 Natural Factors Canada (manufacturer). All Natural Factors WomenSense products.

Where next?