PlainVitamins

Thyroid Support

by Vitamin Discount Center · capsule · 60 vegetarian capsules

  • Off the market since November 2023 (NIH)
  • DSLD label 297933
  • Serving 2 vegetarian capsules
  • 30 servings

Thyroid Support by Vitamin Discount Center lists 19 ingredients, 19 with an amount per serving of 2 vegetarian capsules, such as 2,500 IU of vitamin A, 30 mg of vitamin C, 400 IU (10 mcg) of vitamin D and 15 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2023.

What is in Thyroid Support?

Each row as the label prints it, per serving of 2 vegetarian 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 Support: Supplement Facts rows against the market (DSLD label 297933, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A Palmitate2,500 IU50%Vitamin A in Thyroid Support against 5,772 products2,500 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.2,500 IU

59% of 5,772 products listing vitamin A give more (median 4,000 IU).

Vitamin Cas Ascorbic Acid30 mg50%Vitamin C in Thyroid Support against 18,583 products30 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg30 mg

83% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin Das Cholecalciferol400 IU (10 mcg)100%Vitamin D in Thyroid Support against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin B6as Pyridoxine Hydrochloride15 mg750%Vitamin B6 in Thyroid Support against 15,277 products15 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg15 mg

Higher than 68% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid400 mcg100%Folate in Thyroid Support against 7,022 products400 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.400 mcg

24% of 7,022 products listing folate give more (median 400 mcg).

Iodineas Kelp300 mcg200%Iodine in Thyroid Support against 6,382 products300 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg300 mcg

Higher than 95% of 6,382 products listing iodine (median 150 mcg).

Magnesiumas Magnesium Amino Acid Chelate, Magnesium Oxide100 mg25%Magnesium in Thyroid Support against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Zincas L-OptiZinc10 mg67%Zinc in Thyroid Support against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Selenomethionine100 mcg143%Selenium in Thyroid Support against 7,658 products100 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg100 mcg

Higher than 65% of 7,658 products listing selenium (median 55 mcg).

Copperas Copper Amino Acid Chelate2 mg100%Copper in Thyroid Support against 6,468 products2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg2 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

L-Tyrosine500 mgTyrosine in Thyroid Support 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).

Green Tea Leaf Extractas Camellia sinensis Leaf Extract60 mgGreen Tea in Thyroid Support against 2,595 products60 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.60 mg

67% of 2,595 products listing green tea give more (median 100 mg).

Polyphenolsstandardized to 98%58.8 mgPolyphenols in Thyroid Support against 249 products58.8 mg per serving; the middle half of products list 19.5 mg to 180 mg, the median 80 mg.58.8 mg

57% of 249 products listing polyphenols give more (median 80 mg).

Gugulipidas Commiphora mukul resin extractfrom Sabinsa Corporation150 mgGuggul in Thyroid Support against 279 products150 mg per serving; the middle half of products list 50 mg to 350 mg, the median 100 mg.150 mg

Higher than 55% of 279 products listing guggul (median 100 mg).

Guggulsteronesstandardized to 2.5%3.75 mgGuggulsterone in Thyroid Support against 43 products3.75 mg per serving; the middle half of products list 3.38 mg to 25 mg, the median 9 mg.3.75 mg

67% of 43 products listing guggulsterone give more (median 9 mg).

Bacopinas Bacopa monnieri leaf extractfrom Sabinsa Corporation100 mg
Bacosides A & Bstandardized to 20%20 mg
Ashwagandha Root Extractfrom Sabinsa Corporation100 mgAshwagandha in Thyroid Support against 1,646 products100 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.100 mg

79% of 1,646 products listing ashwagandha give more (median 250 mg).

Withanolidesstandardized to 1.5%1.5 mgWithanolide in Thyroid Support against 79 products1.5 mg per serving; the middle half of products list 3.13 mg to 20 mg, the median 8 mg.1.5 mg

87% of 79 products listing withanolide give more (median 8 mg).

Source: NIH ODS Dietary Supplement Label Database, label 297933 (entered October 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?

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 300 mcg of iodine is higher than 95% of the 6,382 iodine products that print an amount; 235 list more.
  • 87% of the 79 products that print an amount of withanolide list more than its 1.5 mg of withanolide (median 8 mg).

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?

The products whose ingredient lists overlap most with Thyroid Support'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 use: adults take two (2) vegetarian capsules daily at meal time, or as directed by a healthcare professional.
Warnings
Keep out of reach of children.
Allergens and what it does not contain
Contains no sugar, salt, dairy, wheat, gluten, preservatives, artificial colors or flavors.
Storage
Store in a cool, dry place and away from direct light.

Source: label statements in DSLD label 297933.

What else is on the label?

Other ingredients: Cellulose, Water, Cellulose, Magnesium Stearate, Silica.

How many labels does Thyroid Support have?

One label is on file, entered on October 24, 2023.

  1. Label 297933 (current) Entered October 24, 2023 · off the market November 17, 2023 · 60 vegetarian capsules

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

Who makes it?

The label names Vitamin Discount Center, LLC (distributor), Tampa, Florida. All Vitamin Discount Center products.

Where next?