Home/ Supplements/ Folate/ 5-MTHF 1 mg

5-MTHF 1 mg

product on market Capsule Thorne Safety: 60/100
60/100

Review before taking

  • Folate: 1.7mg is 1.7× the Tolerable Upper Intake Level (1.0mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Folate is essential for DNA synthesis and cellular function, with strong evidence supporting its role in supporting healthy homocysteine levels. However, the limited evidence coverage for this specific formulation and a safety score of 60/100 suggest potential concerns regarding suitability for all users. Consult a professional to ensure appropriate dosing.

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

Alerts

Safety Alerts

Folate: 1.7mg is 1.7× the Tolerable Upper Intake Level (1.0mg)

✨ AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a lower safety score because it contains more folate than the recommended maximum daily limit. Specifically, the dose is 1.7 times higher than the Tolerable Upper Intake Level.

Label

Product Label

Label for 5-MTHF 1 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.7 mg DFE (425% DV)
Exceeds UL by 1.7× (UL: 1.0 mg) 226 studies (A:10, B:105)

Other Ingredients

Microcrystalline Cellulose Hypromellose Leucine Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take 1 capsule one to three times daily or as recommended by your healthcare practitioner.

Warnings & Precautions

Tamper evident: Use only if bottle is sealed.

If pregnant, consult your health-care practitioner before using this product.

Formulation Notes

Gluten free

Methylfolate

This product uses Gnosis S.p.A.’s L-5-Methyltetrahydrofolate (Extra-folate-S).

Additional Information

Foundational Mood Heart/Vessels

Store tightly sealed in a cool, dry place.

Manufactured in the USA using US & imported ingredients

Metadata

Product Details

UPC / SKU6 93749 12901 1
DSLD Entry Date2023-02-21
Product TypeVitamin
FormCapsule
BrandThorne
DSLD ID284181
Data Updated2026-04-11
Research

Research Evidence

363
Research Sources
57
Avg Quality
187
Meta Analysis
56
Systematic Review
54
Rct
29
Guideline
26
Clinical Trial
6
Cochrane Review
2
Regulatory Source
1
Other
1
Openfda Safety
A Homocysteine-lowering interventions for preventing cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Community-based intervention packages for reducing maternal and neonatal morbidity and mortality and improving neonatal outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Folate Intake and Risk of Pancreatic Cancer: A Systematic Review and Updated Meta-Analysis of Epidemiological Studies
Meta Analysis Digestive diseases and sciences 2021 PubMed DOI
A The Association Between the Risk of Hypertensive Disorders of Pregnancy and Folic Acid: A Systematic Review and Meta-Analysis
Meta Analysis Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques 2021 PubMed DOI
A A Comparative Study Evaluating the Effectiveness of Folate-Based B Vitamin Intervention on Cognitive Function of Older Adults under Mandatory Folic Acid Fortification Policy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis Nutrients 2024 PubMed DOI
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 Beneficial effects of folic acid supplementation on lipid markers in adults: A GRADE-assessed systematic review and dose-response meta-analysis of data from 21,787 participants in 34 randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2022 PubMed DOI
A Folic acid supplementation and blood pressure: a GRADE-assessed systematic review and dose-response meta-analysis of 41,633 participants
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Digital tracking, provider decision support systems, and targeted client communication via mobile devices to improve primary health care
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
View all evidence for Folate →
Compare

Similar Products

Bio-Plus Biotin With Folic Acid
Douglas Laboratories · Capsule
100
Folic Acid
OL Olympian Labs · Capsule
100
L-5-MTHF Natural S-Isomer
Designs for Health · Capsule
100
Folic Acid
DaVinci Laboratories Of Vermont · Capsule
100
SAMe with Vitamins B-6, B-12 and 5-MTHF
Designs for Health · Capsule
100
View all Folate products →
Folate research Best Folate All Folate products More from Thorne 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.