Home/ Supplements/ Vitamin B12/ Thyroid Support

Thyroid Support

product on market Capsule ForestLeaf Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 67% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains iodine, selenium, and zinc, which are essential minerals for thyroid hormone synthesis and function. Research provides strong evidence for the role of these nutrients in supporting endocrine health. However, the overall evidence coverage for this specific combination is limited.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

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

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
400 mcg (267% DV)
2.7× RDA — within safe limits 245 studies (A:4, B:133)
15 mg (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
200 mcg (364% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
2 mg (222% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (87% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
75 mcg (167% DV)
1.7× RDA — within safe limits 3 studies — no high-quality reviews
300 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Proprietary Blend
600 mg

Other Ingredients

Hypromellose Magnesium Stearate Silica Rice Flour
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, adults take 2 capsules daily with a meal, or as directed by your healthcare professional.

Warnings & Precautions

Caution: Keep out of reach of children.

If you are pregnant, nursing, or taking any prescription medicine, consult your physician before taking this product.

Formulation Notes

Healthy hormone levels Healthy metabolic function Stress support Rested & energized Mind & Focus GMP Compliant/FDA registered LAB Verified

Vegetarian Friendly

Non GMO Dairy, gluten, eggs & nut free

Tested for absorption

Metabolism, energy, hormone & stress support

Additional Information

Store in a cool, dry place.

Made in USA with Globally sourced ingredients Vegetarian Friendly

Instagram Facebook T: 929.810.5089

Metadata

Product Details

UPC / SKUX00217E19H
DSLD Entry Date2024-12-21
Product TypeBotanical with Nutrients
FormCapsule
BrandForestLeaf
DSLD ID323044
Data Updated2026-04-11
Research

Research Evidence

237
Research Sources
53
Avg Quality
83
Meta Analysis
74
Systematic Review
45
Rct
29
Clinical Trial
2
Guideline
2
Regulatory Source
1
Openfda Safety
A Associations between serum Homocysteine, vitamin B9, and vitamin B12 levels and the formation of intracranial Aneurysms: A systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2025 PubMed DOI
A Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
Meta Analysis Critical reviews in food science and nutrition 2019 PubMed DOI
A Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018 PubMed DOI
A Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
Meta Analysis Nutrients 2021 PubMed DOI
A Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Systematic Review Irish journal of medical science 2024 PubMed DOI
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020 PubMed DOI
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024 PubMed DOI
B A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
Meta Analysis Nutrition reviews 2024 PubMed DOI
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024 PubMed DOI
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023 PubMed DOI
View all evidence for Vitamin B12 →
Compare

Similar Products

Methyl B-12 5000 Micrograms
NutraBio · Capsule
100
Folic Acid & Vitamin B12 Caps
Life Extension · Capsule
100
Folate & Vitamin B12 Caps
Life Extension · Capsule
100
BioActive Folate & Vitamin B12
Life Extension · Capsule
100
Vitamin B 12 500 mcg
Solgar · Capsule
100
View all Vitamin B12 products →
Vitamin B12 research Best Vitamin B12 All Vitamin B12 products More from ForestLeaf View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.