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Thyrenol

product on market Capsule Approved Science Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains essential minerals like selenium, zinc, and magnesium, which are known to support thyroid hormone synthesis and metabolic function. There is strong evidence for the role of these micronutrients in endocrine health, though the overall evidence coverage for this specific blend is limited. The profile maintains a high safety rating.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Thyrenol
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

204 mg (49% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
2 mg (87% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
260 mcg (472% DV)
4.7× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
200 mcg (22% DV)
Within RDA (0.2× RDA) 37 studies (A:0, B:11)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
52 mcg (116% DV)
1.2× RDA — within safe limits 3 studies — no high-quality reviews
304 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Magnolia
250 mg
200 mg
Market median: 450.0mg (502 products) 28 studies (A:0, B:8)
Bladderwrack
60 mg
Kelp
20 mg
Gotu Kola
10 mg
Coleus Forskohlii
10 mg
Gugulipid
10 mg

Other Ingredients

Cellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two capsules daily, (one in the morning and one in the afternoon), before meals with an 8 oz. glass of water.

Warnings & Precautions

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement. Keep out of reach of children.

Formulation Notes

Manufactured in the USA according to current Good Manufacturing Practice (cGMP) and conforms to the tested ingredients grade, strength and purity of industry Quality Standards.

Vegan friendly

Made with GMO free ingredients

Advanced thyroid support Premium grade High potency Safe Fast Natural formula Optimal strength GMP Certified

Contains iodine and kelp

100% vegan friendly

Additional Information

Store at room temperature.

Vegan friendly Made in USA No animal testing GMP Good Manufacturing Practice Quality product

Metadata

Product Details

UPC / SKUX002L9FFYP
DSLD Entry Date2024-10-24
Product TypeBotanical with Nutrients
FormCapsule
BrandApproved Science
DSLD ID319826
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Electrolytes →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.