ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
B-Complex with Metafolin and Intrinsic Factor

B-Complex with Metafolin and Intrinsic Factor

Douglas Laboratories

#Multivitamin
73
Safety78
Efficacy68
Transparency62
Based on Examine, Wikipedia, and 23 other sources

Overview

This B-Complex supplement features Metafolin and Intrinsic Factor to support cellular, cardiovascular, neurological, and psychological health.

Is it for you?

Best For: Individuals seeking comprehensive B vitamin support, those with MTHFR gene variations, individuals needing enhanced B12 absorption

Skip If: You have specific allergies to ingredients or are advised against B vitamin supplementation by a healthcare provider.

Ingredients Analysis

Thiamine

50 mg

Riboflavin

20 mg

Niacin

50 mg

Vitamin B-6

20 mg

Folate

667 mcg DFE

L-5-Mthf

400 mcg

Vitamin B12

500 mcg

Biotin

300 mcg

Pantothenic Acid

50 mg

Intrinsic Factor

20 mg

How to Use

Typically, B-complex supplements are taken once daily with a meal to aid absorption.

Frequency:

Daily

Best Time:

Morning

When:

With food

Who Should Use This

Best For:

Individuals seeking comprehensive B vitamin support, those with MTHFR gene variations, individuals needing enhanced B12 absorption

Similar Products

Folate (as Metafolin®) 1000 µg by Solgar®

Folate (as Metafolin®) 1000 µg

Solgar®

Vitamin B12 by People's Choice™

Vitamin B12

People's Choice™

Vitamin B-Complex by Kirkman

Vitamin B-Complex

Kirkman

Folate 800 mcg DFE by Nature's Way

Folate 800 mcg DFE

Nature's Way

Folate 1667 mcg DFE Orange Blast by EZ Melts

Folate 1667 mcg DFE Orange Blast

EZ Melts

Folate by Haylie Pomroy

Folate

Haylie Pomroy