LifeSeasons Thyro-T®, Thyroid Support, 60 Capsules supplement bottle
LifeSeasons

Thyro-T®, Thyroid Support, 60 Capsules

What We Researched
10 active ingredients analyzed · 3 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
78
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Iodine (from 43 mg Atlantic Kelp (Laminaria digitata) Extract1) 172 mcg 115%
Zinc (as zinc gluconate) 5 mg 45%
Selenium (as L-selenomethionine) 50 mcg 91%
Sensoril® Ashwagandha (Withania somniforia) Root & Leaf Extract (10% [30 mg] withanolides) 300 mg **
L-Tyrosine 200 mg **
Forslean® (Coleus forskohlii) Root Extract (10% [10 mg] forskolin) 100 mg **
Guggul (Commiphora mukul) Resin Extract (2.5% [2.5 mg] guggulsterones) 100 mg **
Thyroid (bovine, hormone-free) 50 mg **
Mullein (Verbascum thapsus) Leaf 50 mg **
Burdock (Arctium lappa) Root 25 mg **
Bioavailability Very Good

Absorption Rating

  • Iodine (from 43 mg Atlantic Kelp (Laminaria digitata) Extract1) Good
  • Zinc (as zinc gluconate) Good
  • Selenium (as L-selenomethionine) Good
  • Sensoril® Ashwagandha (Withania somniforia) Root & Leaf Extract (10% [30 mg] withanolides) Good
  • L-Tyrosine Good
  • Forslean® (Coleus forskohlii) Root Extract (10% [10 mg] forskolin) Good
  • Guggul (Commiphora mukul) Resin Extract (2.5% [2.5 mg] guggulsterones) Fair
  • Thyroid (bovine, hormone-free) Fair
  • Mullein (Verbascum thapsus) Leaf Fair
  • Burdock (Arctium lappa) Root Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Vegetable Cellulose)
  • Microcrystalline Cellulose
  • Rice Bran
Efficacy Poor

Dosage Analysis

  • Iodine (from 43 mg Atlantic Kelp (Laminaria digitata) Extract1) 172 mcg Effective
  • Zinc (as zinc gluconate) 5 mg Under-dosed
  • Selenium (as L-selenomethionine) 50 mcg Effective
  • Sensoril® Ashwagandha (Withania somniforia) Root & Leaf Extract (10% [30 mg] withanolides) 300 mg Effective
  • L-Tyrosine 200 mg Under-dosed
  • Forslean® (Coleus forskohlii) Root Extract (10% [10 mg] forskolin) 100 mg Under-dosed
  • Guggul (Commiphora mukul) Resin Extract (2.5% [2.5 mg] guggulsterones) 100 mg Under-dosed
  • Thyroid (bovine, hormone-free) 50 mg Under-dosed
  • Mullein (Verbascum thapsus) Leaf 50 mg Under-dosed
  • Burdock (Arctium lappa) Root 25 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Iodine (from 43 mg Atlantic Kelp (Laminaria digitata) Extract1) 172 mcg 115%
Zinc (as zinc gluconate) 5 mg 45%
Selenium (as L-selenomethionine) 50 mcg 91%
Sensoril® Ashwagandha (Withania somniforia) Root & Leaf Extract (10% [30 mg] withanolides) 300 mg **
L-Tyrosine 200 mg **
Forslean® (Coleus forskohlii) Root Extract (10% [10 mg] forskolin) 100 mg **
Guggul (Commiphora mukul) Resin Extract (2.5% [2.5 mg] guggulsterones) 100 mg **
Thyroid (bovine, hormone-free) 50 mg **
Mullein (Verbascum thapsus) Leaf 50 mg **
Burdock (Arctium lappa) Root 25 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Vegetable Cellulose) Safe

It is used as a coating for tablets or capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Rice Bran Safe

Natural filler and source of fiber.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $30.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
LifeSeasons

Founded 2009 · Lewisville, Texas, United States · 85 products · lifeseasons.com

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Not specified in the notice2025-09-08Source
Recall LifeSeasons Blood Nourish-R2021-04-28Source
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Frequently Asked Questions
Is LifeSeasons Thyro-T®, Thyroid Support a good supplement?

LifeSeasons Thyro-T®, Thyroid Support, 60 Capsules received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, LifeSeasons, holds a brand trust score of 62/100.

What are the ingredients in LifeSeasons Thyro-T®, Thyroid Support?

LifeSeasons Thyro-T®, Thyroid Support contains 10 active ingredients: Iodine (from 43 mg Atlantic Kelp (Laminaria digitata) Extract1) (172 mcg), Zinc (as zinc gluconate) (5 mg), Selenium (as L-selenomethionine) (50 mcg), Sensoril® Ashwagandha (Withania somniforia) Root & Leaf Extract (10% [30 mg] withanolides) (300 mg), L-Tyrosine (200 mg), Forslean® (Coleus forskohlii) Root Extract (10% [10 mg] forskolin) (100 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is LifeSeasons Thyro-T®, Thyroid Support safe to take?

LifeSeasons Thyro-T®, Thyroid Support, 60 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is LifeSeasons a trustworthy supplement brand?

LifeSeasons receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Lewisville, Texas, United States, the company offers 85 products in their lineup. Note: LifeSeasons has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.