PlainVitamins

Thyroid Complex

by BioCare · capsule · 60 vegetable capsules

  • On the market (NIH)
  • UPC 5 033290 510602
  • DSLD label 309764
  • Serving 1 capsule; amounts per 2 capsules
  • 60 servings

Thyroid Complex by BioCare lists 10 ingredients, 10 with an amount per serving of 2 capsules, such as 750 mcg RAE of vitamin A, 100 mg of vitamin C, 10 mg of vitamin B1 and 10 mg of vitamin B2. Its current label entered the NIH Dietary Supplement Label Database on March 22, 2024.

What is in Thyroid Complex?

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).

Thyroid Complex: Supplement Facts rows against the market (DSLD label 309764, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin A2500 IU750 mcg RAE94%
Vitamin C100 mg125%Vitamin C in Thyroid Complex against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 200 mg.

Vitamin B110 mg909%Thiamin in Thyroid Complex against 9,830 products10 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg10 mg

Higher than 59% of 9,830 products listing thiamin (median 5 mg). Per day at the most servings: 20 mg.

Vitamin B210 mg714%Riboflavin in Thyroid Complex against 9,824 products10 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg10 mg

Higher than 61% of 9,824 products listing riboflavin (median 4 mg). Per day at the most servings: 20 mg.

Niacinas Vitamin B310 mg NE63%Niacin in Thyroid Complex against 12,413 products10 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg10 mg

77% of 12,413 products listing niacin give more (median 20 mg). Per day at the most servings: 20 mg.

Zinc10 mg100%Zinc in Thyroid Complex 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). Per day at the most servings: 20 mg.

Selenium100 mcg182%Selenium in Thyroid Complex 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). Per day at the most servings: 200 mcg.

Iodine200 mcg133%Iodine in Thyroid Complex against 6,382 products200 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg200 mcg

Higher than 87% of 6,382 products listing iodine (median 150 mcg). Per day at the most servings: 400 mcg.

Tyrosine300 mgTyrosine in Thyroid Complex against 1,680 products300 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.300 mg

59% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 600 mg.

N-Acetyl Cysteine50 mgN-Acetyl Cysteine in Thyroid Complex against 1,259 products50 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.50 mg

75% of 1,259 products listing N-acetyl cysteine give more (median 150 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 309764 (entered March 22, 2024), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 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?

The products whose ingredient lists overlap most with Thyroid Complex'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: 1 capsule taken twice daily with food, 1 at breakfast, 1 at lunch, or as professionally directed.
Warnings
This product should not be used as a substitute for a varied diet and healthy lifestyle. Do not exceed the stated recommended daily intake. Do not purchase if the seal is broken. If you are under medical supervision, please consult a doctor before use.
Keep out of reach of children.
Not suitable for use during planned pregnancy, pregnancy, or breastfeeding. Consult a healthcare practitioner if on thyroid medication.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 309764.

What else is on the label?

Other ingredients: L-Tyrosine, Hydroxypropyl Methylcellulose, Vitamin C, N-Acetyl-L Cysteine, Zinc Citrate, L-Selenomethionine, Vitamin B1, Vitamin B2, Niacin, Vitamin A, Rice, Potassium Iodide.

How many labels does Thyroid Complex have?

2 labels are on file under this name since January 24, 2024: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 309764 (current) Entered March 22, 2024 · on the market · 60 vegetable capsules · UPC 5 033290 510602
  2. Label 302275 Entered January 24, 2024 · off the market January 11, 2024 · 60 vegetable capsules · UPC 5 033290 510602

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

Who makes it?

The label names UK - BioCare Ltd (manufacturer), Redditch , UK. All BioCare products.

Where next?