PlainVitamins

Thyroid Factors

by MNP Michael's Naturopathic Programs · capsule · 120 vegan capsules

  • Off the market since August 2023 (NIH)
  • UPC 7 55929 01122 3
  • DSLD label 272589
  • Serving 3 veggie capsules
  • 40 servings

Thyroid Factors by MNP Michael's Naturopathic Programs lists 7 ingredients, 4 with an amount per serving of 3 veggie capsules, such as 75 mg of vitamin B6, 225 mcg of iodine, 11 mg of manganese and 300 mcg of chromium; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2022.

What is in Thyroid Factors?

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

Thyroid Factors: Supplement Facts rows against the market (DSLD label 272589, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine Hydrochloride75 mg4,412%Vitamin B6 in Thyroid Factors against 15,277 products75 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg75 mg

Higher than 94% of 15,277 products listing vitamin B6 (median 6 mg).

Iodineas Kelp225 mcg150%Iodine in Thyroid Factors against 6,382 products225 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg225 mcg

Higher than 90% of 6,382 products listing iodine (median 150 mcg).

Manganeseas Manganese Amino Acid Chelate11 mg478%Manganese in Thyroid Factors against 7,016 products11 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg11 mg

Higher than 97% of 7,016 products listing manganese (median 2 mg).

Chromiumas ChromeMate300 mcg857%Chromium in Thyroid Factors against 7,825 products300 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg300 mcg

Higher than 92% of 7,825 products listing chromium (median 100 mcg).

Proprietary Blend600 mg
Gentianin the blend, no amount given
Irish Mossin the blend, no amount given
L-Tyrosinein the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 272589 (entered August 23, 2022), 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?

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:

  • Its 75 mg of vitamin B6 is higher than 94% of the 15,277 vitamin B6 products that print an amount; 715 list more.
  • Its 11 mg of manganese is higher than 97% of the 7,016 manganese products that print an amount; 213 list more.
  • Its 300 mcg of chromium is higher than 92% of the 7,825 chromium products that print an amount; 577 list more.

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?

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
Directions: As a dietary supplement, take three (3) capsules with breakfast or, for optimal results, take one (1) capsule with each meal. Dosage may be increased as directed by a healthcare practitioner.
Warnings
Double-sealed for your protection. Do not use if outer seal is broken or missing.
Caution: Keep out of reach of children.
Not to be taken by pregnant or lactating women.
Warning: Consuming this product can expose you to chemicals including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Made in a GMP facility that processes egg, fish, milk, shellfish, soy, tree nut and wheat products.

Source: label statements in DSLD label 272589.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hypromellose, Leucine.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Shield Star K (Kosher) Parve.

How many labels does Thyroid Factors have?

9 labels are on file under this name since May 22, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 272589 (current) Entered August 23, 2022 · off the market August 15, 2023 · 120 vegan capsules · UPC 7 55929 01122 3
  2. Label 272588 Entered August 23, 2022 · off the market August 15, 2023 · 90 vegan capsules · UPC 7 55929 01121 6
  3. Label 272586 Entered August 23, 2022 · off the market August 15, 2023 · 60 vegan capsules · UPC 7 55929 01120 9
  4. Label 248777 Entered April 22, 2021 · off the market December 23, 2021 · 120 vegan capsules · UPC 7 55929 01122 3
  5. Label 248773 Entered April 22, 2021 · off the market December 23, 2021 · 90 vegan capsules · UPC 7 55929 01121 6
  6. Label 248771 Entered April 22, 2021 · off the market December 23, 2021 · 60 vegan capsules · UPC 7 55929 01120 9
  7. Label 220376 Entered May 22, 2020 · off the market March 12, 2021 · 120 vegan capsules · UPC 7 55929 01122 3
  8. Label 220374 Entered May 22, 2020 · off the market March 12, 2021 · 90 vegan capsules · UPC 7 55929 01121 6
  9. Label 220370 Entered May 22, 2020 · off the market March 12, 2021 · 60 vegan capsules · UPC 7 55929 01120 9

DSLD also links this label to: Thyroid Factors (package size difference, same product), Thyroid Factors (image difference, same product), Thyroid Factors (package size difference, same product), Thyroid Factors (package size difference, same product), Thyroid Factors (image difference, same product), Thyroid Factors (package size difference, same product), Thyroid Factors (package size difference, same product), Thyroid Factors (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 Michael's Naturopathic Programs (distributor), San Antonio, Texas. All MNP Michael's Naturopathic Programs products.

Where next?