Home/ Supplements/ Folate/ 5-MTHF ES

5-MTHF ES

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

Review before taking

  • Folate: 17000mg is 17000.0× 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 methylation, with strong evidence supporting its role in supporting cardiovascular and neurological health. However, the limited evidence coverage for this specific formulation and a safety score of 60 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: 17000mg is 17000.0× the Tolerable Upper Intake Level (1.0mg)

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

This product received a low safety score because the amount of folate provided significantly exceeds the recommended upper intake level. This means the dosage is much higher than what is generally considered safe for daily consumption.

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
30
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

17000 mcg DFE (4250% DV)
Exceeds UL by 17000.0× (UL: 1.0 mg) 226 studies (A:10, B:105)

Other Ingredients

Microcrystalline Cellulose Hypromellose Water Stearic Acid Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take one to two capsules daily, or as directed by your healthcare professional.

Warnings & Precautions

Consult your healthcare professional prior to use.

Individuals taking medication should discuss potential interactions with their healthcare professional.

Do not use if tamper seal is damaged.

Storage: Keep closed in a cool, dry place out of reach of children.

Formulation Notes

5-MTHF ES provides 17,000 mcg DFE of 5-MTHF (5-methyltetrahydrofolate) per serving. 5-MTHF is the most biologically active form of the water-soluble B vitamin, folate; and it may be the preferred form for those with variations in digestion, absorption, or folate metabolism. Data suggest that in comparison to synthetic folic acid, 5-MTHF increases plasma folate more effectively. In this formula, 5-MTHF is provided as Quatrefolic - the glucosamine salt of 5-MTHF. Quatrefolic has demonstrated greater stability, solubility, and bioavailability when compared to calcium salt forms of 5-MTHF.

Formulated to exclude: Wheat, gluten, corn, yeast, soy, animal and dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners and artificial preservatives.

Vegetarian caps

Bioactive Folate as Quatrefolic

Additional Information

Storage: Keep closed in a cool, dry place out of reach of children.

Vegetarian caps

ePV (ePedigree Verification) Third-Party Verified GMP Compliant

Scan this code to learn more! This package is completely recyclable

Metadata

Product Details

UPC / SKU8 71149 00362 3
DSLD Entry Date2023-12-14
Product TypeVitamin
FormCapsule
BrandXYMOGEN
DSLD ID303623
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

View all Folate products →

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