PlainVitamins

Thyroid Support Complex

by Pure Encapsulations · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 66298 01860 7
  • DSLD label 318277
  • Serving 2 capsules
  • 60 servings

Thyroid Support Complex by Pure Encapsulations lists 11 ingredients, 11 with an amount per serving of 2 capsules, such as 750 mcg of vitamin A, 150 mg of vitamin C, 5 mcg (200 IU) of vitamin D and 150 mcg of iodine. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in Thyroid Support 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 Support Complex: Supplement Facts rows against the market (DSLD label 318277, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A Acetate750 mcg83%
Vitamin Cas Ascorbic Acid150 mg250%Vitamin C in Thyroid Support Complex against 18,583 products150 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg150 mg

Higher than 58% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Cholecalciferol, Vitamin D3200 IU5 mcg (200 IU)25%Vitamin D in Thyroid Support Complex against 14,175 products5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg5 mcg

83% of 14,175 products listing vitamin D give more (median 15 mcg).

Iodineas Potassium Iodide150 mcg100%Iodine in Thyroid Support Complex 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).

Zincas Zinc Citrate20 mg182%Zinc in Thyroid Support Complex against 13,186 products20 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg20 mg

Higher than 79% of 13,186 products listing zinc (median 11 mg).

Seleniumas Selenomethionine200 mcg364%Selenium in Thyroid Support Complex against 7,658 products200 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg200 mcg

Higher than 82% of 7,658 products listing selenium (median 55 mcg).

L-Tyrosinefree-form500 mgTyrosine in Thyroid Support Complex 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).

Ksm-66as Ashwagandha Root Extract400 mgAshwagandha in Thyroid Support Complex against 1,646 products400 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.400 mg

Higher than 70% of 1,646 products listing ashwagandha (median 250 mg).

Coleus forskohlii Root Extractas Forskolinstandardized to contain 10% Forskolin100 mgColeus in Thyroid Support Complex against 303 products100 mg per serving; the middle half of products list 73.5 mg to 250 mg, the median 125 mg.100 mg

51% of 303 products listing coleus give more (median 125 mg).

Guggul Gum Resin Extractas Guggulsteronesstandardized to contain 2.5% Guggulsterones150 mgGuggul in Thyroid Support Complex 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).

Turmeric Root Extractas Curcuminoidsstandardized to contain 95% Curcuminoids100 mgTurmeric in Thyroid Support Complex against 2,369 products100 mg per serving; the middle half of products list 50 mg to 500 mg, the median 150 mg.100 mg

57% of 2,369 products listing turmeric give more (median 150 mg).

Source: NIH ODS Dietary Supplement Label Database, label 318277 (entered August 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 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 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
Recommendations: As a dietary supplement, take 2 capsules daily, with a meal.
Warnings
Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO & Hypoallergenic
Certified gluten-free by the Gluten-Free Certification Organization, www.gluten.org
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 318277.

What else is on the label?

Other ingredients: Cellulose, Water, Ascorbyl Palmitate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GFCO.org (Gluten-Free Certification Organization). Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Thyroid Support Complex have?

7 labels are on file under this name since January 7, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 318277 (current) Entered August 22, 2024 · on the market · 120 capsules · UPC 7 66298 01860 7
  2. Label 317969 Entered August 22, 2024 · on the market · 60 capsules · UPC 7 66298 01861 4
  3. Label 278371 Entered December 13, 2022 · off the market April 30, 2024 · 60 capsules · UPC 7 66298 01861 4
  4. Label 219317 Entered April 23, 2020 · off the market December 18, 2018 · 120 capsules · UPC 7 66298 01860 7
  5. Label 204901 Entered July 24, 2019 · off the market March 22, 2022 · 60 capsules · UPC 7 66298 01861 4
  6. Label 186351 Entered February 25, 2019 · off the market April 30, 2024 · 120 capsules · UPC 7 66298 01860 7
  7. Label 186342 Entered January 7, 2019 · off the market December 1, 2018 · 120 capsules · UPC 7 66298 00946 9

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

Who makes it?

The label names Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?