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Thyroid Strength

product on market Tablet or Pill MegaFood Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 75% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Iodine, selenium, and zinc are essential minerals that support thyroid hormone synthesis and metabolic function. L-tyrosine provides a precursor for these hormones, though evidence for its efficacy in healthy individuals is limited. Research generally indicates these ingredients are safe when consumed within recommended daily allowances.

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

Label

Product Label

Label for Thyroid Strength
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
45
Servings
Botanical with Nutrients
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
8 mg (73% DV)
Within RDA (0.7× RDA) 263 studies (A:6, B:134)
70 mcg (127% DV)
1.3× RDA — within safe limits 173 studies (A:0, B:67)
0.35 mg (39% DV)
Within RDA (0.4× RDA) 37 studies (A:0, B:11)
300 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Market median: 500.0mg (138 products) 2 studies — no high-quality reviews
250 mg
Market median: 450.0mg (502 products) 28 studies (A:0, B:8)
Coleus forskohlii Root Extract
150 mg

Other Ingredients

Microcrystalline Cellulose Brown Rice Rice Protein Autolyzed Yeast Extract Yeast Hypromellose Silicon Dioxide Stearic Acid Guar Gum
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 2 tablets daily with a beverage. May be taken anytime throughout the day, even on an empty stomach.

Warnings & Precautions

If pregnant, nursing, or you have a health condition, consult your healthcare practitioner before taking this product.

Keep out of reach of children.

Formulation Notes

Vegetarian

Certified NSF Gluten-Free Dairy Free Soy Free Tested 125+ Pesticides & Herbicides Glyphosate Residue Free detoxfreeproject.org

OK (Kosher)

Maintains Healthy Thyroid Balance & Function

MegaFood Thyroid Strength combines thyroid supporting iodine, zinc, selenium, and copper, along with L-tyrosine, to help nourish a healthy thyroid. Sensoril ashwagandha and other herbal extracts support healthy energy levels, mental cognition, and lipid profile. This MegaFood product is made with wholesome nutritional yeast, carefully selected herbs and added nutrients.

Satisfaction guaranteed or your money back.

Additional Information

To learn about our seals, please visit megafood.com/standards.

Vegetarian Certified NSF Gluten-Free Tested 125+ Pesticides & Herbicides OK (Kosher) Glyphosate Residue Free detoxfreeproject.org Certified B Corporation

We believe that the most nutritious food comes from healthy soils and valued farmers. Our goal is to work with farmers who share our commitment to organic and regenerative agriculture. megafood.com/farmers.

Store tightly sealed in a cool place and avoid exposure to moisture. Once open, consume within three months.

Metadata

Product Details

UPC / SKU0 51494 20029 2
DSLD Entry Date2025-04-24
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandMegaFood
DSLD ID327581
Data Updated2026-04-11
Research

Research Evidence

292
Research Sources
57
Avg Quality
160
Meta Analysis
70
Systematic Review
36
Rct
8
Cochrane Review
8
Clinical Trial
3
Regulatory Source
2
Narrative Review
2
Other
1
Guideline
1
Openfda Safety
A Umbilical cord antiseptics for preventing sepsis and death among newborns
Meta Analysis The Cochrane database of systematic reviews 2026 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Interventions for cutaneous molluscum contagiosum
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Chlorhexidine vs Povidone-Iodine and Incidence of Catheter-Related Infections: A Systematic Review and Meta-Analysis
Meta Analysis JAMA network open 2026 PubMed DOI
B Radioiodine Remnant Ablation for Differentiated Thyroid Cancer: A Systematic Review and Meta-analysis
Meta Analysis JAMA otolaryngology-- head & neck surgery 2021 PubMed DOI
B Risk of primary breast cancer in patients with differentiated thyroid cancer undergoing radioactive iodine therapy: a systematic review and meta-analysis
Meta Analysis European journal of nuclear medicine and molecular imaging 2022 PubMed DOI
B Alcoholic chlorhexidine skin preparation or triclosan-coated sutures to reduce surgical site infection: a systematic review and meta-analysis of high-quality randomised controlled trials
Meta Analysis The Lancet. Infectious diseases 2022 PubMed DOI
B Oral hygiene care for critically ill patients to prevent ventilator-associated pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
B Interventions for ingrowing toenails
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
B Interventions for the management of malignant pleural effusions: a network meta-analysis
Systematic Review The Cochrane database of systematic reviews 2016 PubMed DOI
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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.