PlainVitamins

Thyro-T

by LifeSeasons Therapeutics · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 53760 00221 6
  • DSLD label 310526
  • Serving 2 capsules
  • 30 servings

Thyro-T by LifeSeasons Therapeutics lists 14 ingredients, 14 with an amount per serving of 2 capsules, such as 5 mg of zinc, 50 mcg of selenium, 300 mg of sensoril and 200 mg of L-tyrosine. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2024.

What is in Thyro-T?

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).

Thyro-T: Supplement Facts rows against the market (DSLD label 310526, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas Zinc Gluconate5 mg45%Zinc in Thyro-T against 13,186 products5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg5 mg

72% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas L-Selenomethionine50 mcg91%Selenium in Thyro-T against 7,658 products50 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg50 mcg

56% of 7,658 products listing selenium give more (median 55 mcg).

Sensorilas Ashwagandha Leaf, Root Extract300 mgAshwagandha in Thyro-T against 1,646 products300 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.300 mg

Higher than 59% of 1,646 products listing ashwagandha (median 250 mg).

Withanolides10%30 mgWithanolide in Thyro-T against 79 products30 mg per serving; the middle half of products list 3.13 mg to 20 mg, the median 8 mg.30 mg

Higher than 82% of 79 products listing withanolide (median 8 mg).

L-Tyrosine200 mgTyrosine in Thyro-T against 1,680 products200 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.200 mg

69% of 1,680 products listing tyrosine give more (median 500 mg).

ForsLeanas Coleus forskohlii Root Extract100 mgColeus in Thyro-T 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).

Forskolin10%10 mgForskolin in Thyro-T against 77 products10 mg per serving; the middle half of products list 30 mg to 250 mg, the median 150 mg.10 mg

87% of 77 products listing forskolin give more (median 150 mg).

Guggul Resin Extract100 mgGuggul in Thyro-T against 279 products100 mg per serving; the middle half of products list 50 mg to 350 mg, the median 100 mg.100 mg

47% of 279 products listing guggul give more (median 100 mg).

Guggulsterones2.5%2.5 mgGuggulsterone in Thyro-T against 43 products2.5 mg per serving; the middle half of products list 3.38 mg to 25 mg, the median 9 mg.2.5 mg

81% of 43 products listing guggulsterone give more (median 9 mg).

Bovine Thyroidhormone-free50 mgThyroid in Thyro-T against 60 products50 mg per serving; the middle half of products list 31.88 mg to 142.5 mg, the median 100 mg.50 mg

62% of 60 products listing thyroid give more (median 100 mg).

Mulleinas Verbascum thapsus50 mgMullein in Thyro-T against 97 products50 mg per serving; the middle half of products list 50 mg to 580 mg, the median 100 mg.50 mg

65% of 97 products listing mullein give more (median 100 mg).

Burdock25 mgBurdock in Thyro-T against 302 products25 mg per serving; the middle half of products list 76 mg to 400 mg, the median 145 mg.25 mg

89% of 302 products listing burdock give more (median 145 mg).

Atlantic Kelp Extractas Laminaria digitata Extract43 mgKelp in Thyro-T against 333 products43 mg per serving; the middle half of products list 20 mg to 100 mg, the median 50 mg.43 mg

57% of 333 products listing kelp give more (median 50 mg).

Iodine4%1.75 mcg1%*

This amount is far outside what other labels list for iodine, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 310526 (entered July 25, 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?

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:

  • 87% of the 77 products that print an amount of forskolin list more than its 10 mg of forskolin (median 150 mg).
  • 81% of the 43 products that print an amount of guggulsterone list more than its 2.5 mg of guggulsterone (median 9 mg).
  • 89% of the 302 products that print an amount of burdock list more than its 25 mg of burdock (median 145 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 Thyro-T'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
Take 2 capsules daily, with or without food.
Warnings
Caution: For adults. Keep out of reach of children.
Use only as directed. Tamper evident. Do not use if printed safety seal under cap is broken or missing.
If pregnant, nursing, taking medication, or under medical supervision for any condition, consult a healthcare professional before use.
Allergens and what it does not contain
Gluten-Free. No artificial colors, flavors, preservatives, yeast, eggs, fish, shellfish, peanuts, tree nuts, wheat, milk, or magnesium stearate
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 310526.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Rice Bran.

How many labels does Thyro-T have?

One label is on file, entered on July 25, 2024.

  1. Label 310526 (current) Entered July 25, 2024 · on the market · 60 capsules · UPC 8 53760 00221 6

DSLD also links this label to: Prosperi-T Thyroid Support (image difference, same product), Thyro-T (image difference, same product), Thyro-T (image difference, same product).

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

Who makes it?

The label names LifeSeasons (manufacturer, distributor), Kaysville, UT. All LifeSeasons Therapeutics products.

Where next?