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Thyro Rx

product on market Capsule HoltraCeuticals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 57% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains selenium and L-tyrosine, which provide moderate evidence for supporting thyroid hormone synthesis. Magnesium and gugulipid extract are included for metabolic support, though clinical evidence for their efficacy in this context is limited. The ingredient profile maintains a high safety rating.

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

Label

Product Label

Label for Thyro Rx
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

20 mg (5% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
400 mcg (727% DV)
7.3× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
ForsLean
900 mg
500 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Gugulipid Extract
300 mg
Market median: 450.0mg (502 products) 28 studies (A:0, B:8)
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews

Other Ingredients

Micro Crystalline Cellulose Cellulose purified Water
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take 4 capsules daily with meals. Can be taken throughout the day or as directed by a health professional.

Warnings & Precautions

Keep out of reach of children.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition.

Formulation Notes

Made in a GMP Compliant Facility in USA

Supports healthy thyroid function

No artificial colors, no artificial flavors, no milk or milk derivatives, no preservatives, or sodium added.

Additional Information

Store in a cool, dry place with the lid tightly closed.

For re-order, visit: HoltraCeuticals.com

Metadata

Product Details

DSLD Entry Date2023-04-21
Product TypeOther Combinations
FormCapsule
BrandHoltraCeuticals
DSLD ID271569
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.