PlainVitamins

Thyroid Support with Iodine

by ZHOU · capsule · 60 veggie capsules

  • On the market (NIH)
  • UPC 8 59805 00635 5
  • DSLD label 335799
  • Serving 2 vegetable capsules
  • 30 servings

Thyroid Support with Iodine by ZHOU lists 14 ingredients, 14 with an amount per serving of 2 vegetable capsules, such as 164 mcg of vitamin B12, 169 mcg of iodine, 220 mg of magnesium and 10 mg of zinc. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Thyroid Support with Iodine?

Each row as the label prints it, per serving of 2 vegetable 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 with Iodine: Supplement Facts rows against the market (DSLD label 335799, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B12as Methylcobalamin164 mcg6,833%Vitamin B12 in Thyroid Support with Iodine against 14,425 products164 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg164 mcg

Higher than 73% of 14,425 products listing vitamin B12 (median 36 mcg).

Iodineas Atlantic Kelp, Potassium Iodide169 mcg113%Iodine in Thyroid Support with Iodine against 6,382 products169 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg169 mcg

Higher than 86% of 6,382 products listing iodine (median 150 mcg).

Magnesiumas Magnesium Oxide220 mg52%Magnesium in Thyroid Support with Iodine against 14,003 products220 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg220 mg

Higher than 82% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Oxide10 mg91%Zinc in Thyroid Support with Iodine 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 Amino Acid Chelate220 mcg400%Selenium in Thyroid Support with Iodine against 7,658 products220 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg220 mcg

Higher than 98% of 7,658 products listing selenium (median 55 mcg).

Copperas Copper Carbonate0.2 mg22%Copper in Thyroid Support with Iodine against 6,468 products0.2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.2 mg

88% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Carbonate2 mg87%Manganese in Thyroid Support with Iodine against 7,016 products2 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg2 mg

38% of 7,016 products listing manganese give more (median 2 mg).

Molybdenumas Sodium Molybdate50 mcg111%Molybdenum in Thyroid Support with Iodine against 4,390 products50 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg50 mcg

41% of 4,390 products listing molybdenum give more (median 50 mcg).

L-Tyrosine330 mgTyrosine in Thyroid Support with Iodine against 1,680 products330 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.330 mg

59% of 1,680 products listing tyrosine give more (median 500 mg).

Schisandra240 mgSchisandra in Thyroid Support with Iodine against 460 products240 mg per serving; the middle half of products list 50 mg to 240 mg, the median 108.75 mg.240 mg

Higher than 71% of 460 products listing schisandra (median 108.75 mg).

Ashwagandha Root Extract200 mgAshwagandha in Thyroid Support with Iodine against 1,646 products200 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.200 mg

51% of 1,646 products listing ashwagandha give more (median 250 mg).

Bladderwrack50 mgBladderwrack in Thyroid Support with Iodine against 188 products50 mg per serving; the middle half of products list 50 mg to 500 mg, the median 77.5 mg.50 mg

55% of 188 products listing bladderwrack give more (median 77.5 mg).

Kelp40 mgKelp in Thyroid Support with Iodine against 333 products40 mg per serving; the middle half of products list 20 mg to 100 mg, the median 50 mg.40 mg

58% of 333 products listing kelp give more (median 50 mg).

Cayenne Pepper30 mgCapsicum in Thyroid Support with Iodine against 874 products30 mg per serving; the middle half of products list 25 mg to 100 mg, the median 44.5 mg.30 mg

57% of 874 products listing capsicum give more (median 44.5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 335799 (entered July 24, 2025), 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 220 mcg of selenium is higher than 98% of the 7,658 selenium products that print an amount; 169 list more.
  • 88% of the 6,468 products that print an amount of copper list more than its 0.2 mg of copper (median 1 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?

6 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 2 vegetable capsules daily, preferably with meals or as directed by a healthcare professional. Use only as directed. For maximum effect, take consistently.
Warnings
Caution: Do not exceed recommended dose. Not recommended for excessive or long-term use. Do not use if safety seal is damaged or missing.
Consult a physician before using this or any other supplement, especially children under 18, individuals with a known medical condition, or if you are taking a prescription medication. Do not use if pregnant or nursing, if you are taking an MAO inhibitor, or have a hyperthyroid condition.
Consult a physician before using this or any other supplement, especially children under 18, individuals with a known medical condition, or if you are taking a prescription medication. Keep out of reach of children.
Warning: Reproductive Harm www.P65Warnings.ca.gov
Allergens and what it does not contain
Gluten free Non-GMO
Made with Non-GMO Ingredients Gluten free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 335799.

What else is on the label?

Other ingredients: Cellulose, Magnesium Stearate, Whole Rice Concentrate, Rice Flour, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab Verified Made in the USA with global ingredients.

How many labels does Thyroid Support with Iodine have?

4 labels are on file under this name since March 24, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335799 (current) Entered July 24, 2025 · on the market · 60 veggie capsules · UPC 8 59805 00635 5
  2. Label 250140 Entered May 22, 2021 · off the market April 29, 2025 · 60 veggie capsules · UPC 8 59805 00635 5
  3. Label 200085 Entered February 25, 2019 · off the market April 23, 2021 · 60 veggie capsules · UPC 8 59805 00635 5
  4. Label 71373 Entered March 24, 2017 · off the market April 29, 2025 · 60 vegetable capsules · UPC X000PT6SRL

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

Who makes it?

The label names Zhou Nutrition Zhou, Inc. (manufacturer), Salt Lake City, UT. All ZHOU products.

Where next?