Dr. Mercola Methyl Folate, 5 mg, 30 Capsules supplement bottle
Dr. Mercola

Methyl Folate, 5 mg, 30 Capsules

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
68
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Fair

Supplement Facts

IngredientAmount% DV
Folate ^[5,000 mcg Folic Acid equivalent (from (6S)-5-Methyltetrahydrofolic acid, Glucosamine Salt)] 8335 mcg DFE 2,084%
^ 5 mg 5-MTHF [(6s)-5-Menthyltetrahydrofolic acid]
Bioavailability Fair

Absorption Rating

  • Folate ^[5,000 mcg Folic Acid equivalent (from (6S)-5-Methyltetrahydrofolic acid, Glucosamine Salt)] Fair
  • ^ 5 mg 5-MTHF [(6s)-5-Menthyltetrahydrofolic acid] Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Capsule (Hydroxypropyl Methylcellulose)
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Folate ^[5,000 mcg Folic Acid equivalent (from (6S)-5-Methyltetrahydrofolic acid, Glucosamine Salt)] 8335 mcg DFE High

Supplement Facts

Ingredient Amount % Daily Value
Folate ^[5,000 mcg Folic Acid equivalent (from (6S)-5-Methyltetrahydrofolic acid, Glucosamine Salt)] 8335 mcg DFE 2,084%
^ 5 mg 5-MTHF [(6s)-5-Menthyltetrahydrofolic acid]

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Capsule (Hydroxypropyl Methylcellulose) Safe

It provides a vegetarian encapsulation option.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$33$32$31$30$29 Mar 12 $31.25
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Dr. Mercola

Founded 1997 · Cape Coral, Florida, USA · 209 products · mercola.com/

Certifications

4 certifications
Consumerlab Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Verified Source

Violation History

7 incidents
Prop 65 Lead2025-04-18Source
Lawsuit Wrongful termination and breach of a severance contract by the former CEO.2024Source
Fda Warning Unapproved and misbranded products related to Coronavirus Disease 2019 (COVID-19).2021-02-18Source
Lawsuit False and unsupported claims that its indoor tanning systems are safe and do not increase the risk of skin cancer.2016Source
Fda Warning Illegal marketing of a medical device.2011-01-01Source
Fda Warning Illegal drug claims for various supplements.2006-01-01Source
Fda Warning Illegal drug claims for various supplements.2005-01-01Source
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Frequently Asked Questions
Is Dr. Mercola Methyl Folate, 5 mg a good supplement?

Dr. Mercola Methyl Folate, 5 mg, 30 Capsules received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Dr. Mercola, holds a brand trust score of 81/100 with 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections.

What are the ingredients in Dr. Mercola Methyl Folate, 5 mg?

Dr. Mercola Methyl Folate, 5 mg contains 2 active ingredients: Folate ^[5,000 mcg Folic Acid equivalent (from (6S)-5-Methyltetrahydrofolic acid, Glucosamine Salt)] (8335 mcg DFE), ^ 5 mg 5-MTHF [(6s)-5-Menthyltetrahydrofolic acid]. Notable high-dose ingredients include Folate ^[5,000 mcg Folic Acid equivalent at 2,084% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Methyl Folate, 5 mg safe to take?

Dr. Mercola Methyl Folate, 5 mg, 30 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Dr. Mercola a trustworthy supplement brand?

Dr. Mercola receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1997 and headquartered in Cape Coral, Florida, USA, the company offers 209 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Dr. Mercola has 7 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.