PlainVitamins

Thyroid Caps

by Solaray · capsule · 60 vegcaps

  • On the market (NIH)
  • UPC 0 76280 05210 7
  • DSLD label 338747
  • Serving 1 vegcap
  • 60 servings

Thyroid Caps by Solaray lists 8 ingredients, 8 with an amount per serving of 1 vegcap, such as 150 mcg of iodine, 100 mg of magnesium, 3 mg of zinc and 0.1 mg of copper. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.

What is in Thyroid Caps?

Each row as the label prints it, per serving of 1 vegcap. 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 Caps: Supplement Facts rows against the market (DSLD label 338747, January 2026 release)
IngredientAmount% DVAmong products listing it
Iodineas Potassium Iodide150 mcg100%Iodine in Thyroid Caps against 6,382 products150 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg150 mcg

15% of 6,382 products listing iodine give more (median 150 mcg). Per day at the most servings: 450 mcg.

Magnesiumas Magnesium Asporotate, Magnesium Oxide100 mg24%Magnesium in Thyroid Caps 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). Per day at the most servings: 300 mg.

Zincas Zinc Gluconate3 mg27%Zinc in Thyroid Caps against 13,186 products3 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg3 mg

84% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 9 mg.

Copperas Copper Asporotate0.1 mg11%Copper in Thyroid Caps against 6,468 products0.1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.1 mg

93% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 0.3 mg.

Manganeseas Manganese Asporotate3 mg130%Manganese in Thyroid Caps against 7,016 products3 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg3 mg

Higher than 71% of 7,016 products listing manganese (median 2 mg). Per day at the most servings: 9 mg.

Molybdenumas Molybdenum Glycinate50 mcg111%Molybdenum in Thyroid Caps 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). Per day at the most servings: 150 mcg.

Bovine Thyroid Substancethyroxin free150 mgThyroid in Thyroid Caps against 60 products150 mg per serving; the middle half of products list 31.88 mg to 142.5 mg, the median 100 mg.150 mg

Higher than 75% of 60 products listing thyroid (median 100 mg). Per day at the most servings: 450 mg.

L-Tyrosinemicrobial fermentation100 mgTyrosine in Thyroid Caps against 1,680 products100 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.100 mg

78% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 300 mg.

Source: NIH ODS Dietary Supplement Label Database, label 338747 (entered August 22, 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:

  • 93% of the 6,468 products that print an amount of copper list more than its 0.1 mg of copper (median 1 mg).

The NIH database records 3 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?

The products whose ingredient lists overlap most with Thyroid Caps'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
Directions: Use only as directed. Take 1 VegCap three times daily with a meal or glass of water.
Warnings
Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product. Directions: Use only as directed.
Keep out of reach of children.
Do not use if you are taking a prescription MAO inhibitor.
Allergens and what it does not contain
Thyroxin-free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 338747.

What else is on the label?

Other ingredients: Cellulose, Cellulose, Silica, Magnesium Stearate, Trace Mineral Complex.

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

How many labels does Thyroid Caps have?

3 labels are on file under this name since October 22, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 338747 (current) Entered August 22, 2025 · on the market · 60 vegcaps · UPC 0 76280 05210 7
  2. Label 326132 Entered February 23, 2025 · off the market June 5, 2025 · 60 vegcaps · UPC 0 76280 05210 7
  3. Label 255683 Entered October 22, 2021 · off the market May 18, 2023 · 60 vegcaps · UPC 0 76280 05210 7

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

Who makes it?

The label names Solaray (manufacturer), Salt Lake City, UT. All Solaray products.

Where next?