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Sunergetic Methyl Folate B12 B6 400mcg — view 1 of 5
Sunergetic

Sunergetic Premium Methyl Folate Supplement - with Methylated Vitamin B12 and Vitamin B6 - Metabolically Active Folate as Magnafolate - Methylfolate 400 mcg per Capsule - 60 Capsules

4.6· 230 Amazon reviews
$16.95$16.10with Subscribe & Save

$0.28/serving

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Price verified Apr 22, 2026

Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use

Our verdict

400mcg methylfolate + methylated B12 + B6 per capsule; 60 servings per bottle of Methylfolate (Magnafolate) 400mcg + Methyl B12 + B6 per capsule from Sunergetic. Best for users with…

Third-Party TestedGluten-freeCapsuleSubscribe & Save

Why we recommend this

Magnafolate is a respected patented methylfolate ingredient with defined isomeric purity — this addresses the MTHFR-variant population (estimated 30-50% of adults have reduced folate conversion). Paired with methylated B12 and B6, it's a targeted methylation support formula.

Check for interactions

Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.

Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.

What to watch out for

The specific B6 and B12 doses are not disclosed on the product page, which is relevant because B6 above 100mg/day can cause peripheral neuropathy with long-term use. Users should verify current Supplement Facts panel before chronic supplementation.

Dose & form

Serving
400mcg methylfolate + methylated B12 + B6 per capsule; 60 servings per bottle
Form
Capsule
Clinical range
Varies by formula; active B-complex with coenzyme forms recommended
Dose adequacy
Blend
Supply
60 servings · $0.28/serving
UPC
852207008156

Who it's best for

Users with MTHFR variants or methylation support needs seeking a bioavailable methylfolate (Magnafolate) paired with methylated B12 and B6 in one capsule

Who should skip it

Users who need standard folic acid or a comprehensive B-complex with all eight B vitamins

Pros

  • Magnafolate is a patented, pharmaceutical-grade methylfolate (L-5-MTHF) with defined isomeric purity
  • Methylated forms (methylfolate, methyl B12) bypass MTHFR variant conversion requirements
  • 400mcg meets FDA adult folate RDA in activated form
  • 4.6-star rating across 230 reviews signals strong consumer satisfaction

Cons

  • Third-party testing not publicly disclosed — no published COAs on the brand site
  • B6 dose not disclosed on bullets — safety relevant since high-dose B6 can cause neuropathy
  • Smaller review base (230) vs. flagship Sunergetic products

What customers say

4.6★ across 230 Amazon reviews. The most common questions from shoppers: re any potential interactions with medications, re any side effects from long-term use, and cause any digestive issues or side effects. Full answers in the FAQ below.

Frequently Asked Questions

What is the clinical dose for Methylfolate (Magnafolate) 400mcg + Methyl B12 + B6?

Clinical trials typically use Varies by formula; active B-complex with coenzyme forms recommended. Sunergetic Methyl Folate B12 B6 400mcg delivers 400mcg methylfolate + methylated B12 + B6 per capsule; 60 servings per bottle, which we classify as Blend relative to that range.

How does Sunergetic Methyl Folate B12 B6 400mcg compare to similar Capsule?

See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.

Is Sunergetic Methyl Folate B12 B6 400mcg third-party tested?

Yes — GMP manufactured; third-party testing not publicly disclosed. Third-party testing verifies ingredient identity and label accuracy.

Does this work with Amazon Subscribe & Save?

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Are there any potential interactions with medications?

Methylfolate can interact with methotrexate (a folate antagonist) — consult your physician before combining. High-dose methylfolate can rarely trigger anxiety or mood effects in individuals with COMT variants. B6 at high doses (>100mg/day) can interact with levodopa. Methyl B12 is generally safe with most medications.

Are there any side effects from long-term use?

Methylfolate and methyl B12 at standard doses (400mcg and moderate mcg respectively) have excellent long-term safety. Long-term B6 at high doses (>100mg daily for years) can cause peripheral neuropathy — this is the key monitoring concern. At standard supplement doses, long-term use is well tolerated.

Does it cause any digestive issues or side effects?

Methylation B vitamins are typically gentle on digestion. Methyl B12 can occasionally cause mild nausea if taken on empty stomach. Methylfolate is well tolerated. Rare reports of anxiety or irritability occur in some users who over-methylate — reduce dose if this occurs.

Can it be taken with other supplements or vitamins?

Pairs well with Vitamin D, magnesium, and omega-3s for general wellness stacks. Avoid combining with another methylfolate product to prevent exceeding 1000-2000mcg daily. Users on prescription methotrexate or anticonvulsants should consult their physician before adding methylfolate.

Are there any specific instructions for taking it safely?

Take 1 capsule daily with or without food. Start with 1 capsule daily and assess tolerance for the first 2 weeks — over-methylation can cause anxiety or irritability in some individuals. Reduce or discontinue if mood side effects occur. Genetic testing for MTHFR variants can inform whether methylated forms are most useful.

How long until benefits are typically experienced?

Methylation support effects vary significantly by individual. Energy and mood improvements can emerge within 2-4 weeks in folate-deficient users or those with MTHFR variants. Homocysteine reduction (for those with elevated levels) typically occurs over 8-12 weeks. Cognitive benefits build cumulatively.

Also consider

Part of this guide

Best B-Complex Supplements

As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer