Skip to main content
All Comparisons

Vitamin B12 vs Folate

Evidence-based comparison from our database of 3,862 ingredients

TL;DR

Vitamin B12 is typically chosen for everyday energy, while Folate is used for cell division. Neither outranks the other. The right pick depends on the goal, and the two are not interchangeable.

Vitamin B12

The energy grid's foreman.

Research depthExtensively studied
Effective Dose2.4mcg - 1000mcg
Time to EffectEffects build over days to weeks

Commonly used for:

everyday energynerve functionred blood cell formation

Folate

The DNA construction crew.

Research depthExtensively studied
Effective Dose400mcg
Time to EffectEffects build over days to weeks

Commonly used for:

cell divisionpregnancy and preconception nutritionhealthy homocysteine

Side-by-Side Comparison

FactorVitamin B12Folate
Research depthExtensively studiedExtensively studied
Effective Dose2.4mcg - 1000mcg400mcg
Time to EffectEffects build over days to weeksEffects build over days to weeks
Commonly used foreveryday energy, nerve functioncell division, pregnancy and preconception nutrition

Which fits which goal

These two do different jobs, so the comparison ends at the goal, not at a ranking. Match the ingredient to what you are trying to change and check the dose against the amount on the label.

Reach for Vitamin B12 when:

  • • The goal is everyday energy
  • • The goal is nerve function

Reach for Folate when:

  • • The goal is cell division
  • • The goal is pregnancy and preconception nutrition

Frequently Asked Questions

Related Pages

More Comparisons

Go deeper on either one

Every ingredient page carries the evidence, doses, forms and cautions behind this comparison, with the sources one click away.

Browse the library

This comparison is for informational purposes only and should not replace professional medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you have existing health conditions or take medications.