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  3. Vitamin A vs Vitamin B12

Vitamin A vs Vitamin B12

TL;DR

Quick comparison: Vitamin A and Vitamin B12 have 0 overlapping categories and appear together in 46 products.

  • •Choose Vitamin A if: Fat-soluble vitamin essential for vision, immune function, and cellular communic...
  • •Choose Vitamin B12 if: Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis...
  • •Take both if: You want comprehensive coverage across 0 shared categories.
564 products
analyzed in our comprehensive supplement database
Source: MoodStack Database (2026)

Side-by-Side Comparison

FeatureVitamin AVitamin B12
Typevitaminvitamin
Common Dosage700-900 mcg RAE daily2.4 mcg daily
Best BioavailabilityRetinol (90%)Methylcobalamin (70%)
Categories24
Available Products00

Vitamin A

Typevitamin
Common Dosage700-900 mcg RAE daily
Best BioavailabilityRetinol (90%)
Categories2
Available Products0

Vitamin B12

Typevitamin
Common Dosage2.4 mcg daily
Best BioavailabilityMethylcobalamin (70%)
Categories4
Available Products0

Can You Take Both?

Yes, Vitamin A and Vitamin B12 can typically be taken together. In fact, we found 46 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin A

Fat-soluble vitamin essential for vision, immune function, and cellular communication. Exists as preformed vitamin A (retinoids) in animal products and provitamin A (carotenoids) in plants.

Categories:

ImmunitySkin, Hair & Nails

Common Forms:

  • • Retinol (90% bioavailability)
  • • Retinyl palmitate (85% bioavailability)
  • • Retinyl acetate (85% bioavailability)

Vitamin B12

Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation.

Categories:

VitalityEnduranceFocus & CognitionStress & Mood

Common Forms:

  • • Methylcobalamin (70% bioavailability)
  • • Hydroxycobalamin (60% bioavailability)
  • • Adenosylcobalamin (50% bioavailability)

Products Containing Both Vitamin A and Vitamin B12

We found 12 products that combine both supplements:

Transparent Labs Multivitamin

Transparent Labs Multivitamin

Transparent Labs

$44.99Score: 87/100
Prenatal Multi + DHA Softgels

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100
Multi for Her 50+ Tablets

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100
Essential Multivitamin

Essential Multivitamin

Momentous

$39.95Score: 86/100
Multi for Him 50+ Tablets

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100
Multi for Him Tablets

Multi for Him Tablets

Nature Made

$11.49Score: 86/100
Elite Multivitamin

Elite Multivitamin

Gorilla Mind

$44.99Score: 85/100
Daily Multi Vitamins & Minerals

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100
Multivitamin Gummies

Multivitamin Gummies

Nature Made

$13.49Score: 84/100
Multi for Her Tablets

Multi for Her Tablets

Nature Made

$12.49Score: 84/100

mykind Organics Men's Multi

Garden of Life

$41.59Score: 84/100
Multivitamin Complete Tablets with Iron

Multivitamin Complete Tablets with Iron

Nature Made

$9.99Score: 83/100

Frequently Asked Questions

What is the difference between Vitamin A and Vitamin B12?

Vitamin A and Vitamin B12 are both important supplements with distinct properties. Vitamin A Fat-soluble vitamin essential for vision, immune function, and cellular communication. Exists as preformed vitamin A (retinoids) in animal products and provitamin A (carotenoids) in plants., while Vitamin B12 Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation..

Can I take Vitamin A and Vitamin B12 together?

Based on our analysis of 46 products that contain both, yes, Vitamin A and Vitamin B12 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin A or Vitamin B12?

In our database of 564 products, Vitamin A appears in 57 products, while Vitamin B12 appears in 90 products.

Related Comparisons & Products

What is Vitamin A?What is Vitamin B12?Vitamin A vs NiacinamideVitamin A vs Vitamin B1Vitamin A vs Vitamin B5Transparent Labs Multivitamin (contains both)Essential Multivitamin (contains both)Multi for Him Tablets (contains both)

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.