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  3. Vitamin B1 vs Vitamin B12

Vitamin B1 vs Vitamin B12

TL;DR

Quick comparison: Vitamin B1 and Vitamin B12 have 0 overlapping categories and appear together in 41 products.

  • •Choose Vitamin B1 if: Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function...
  • •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 B1Vitamin B12
Typevitaminvitamin
Common Dosage1.1-1.2 mg daily2.4 mcg daily
Best BioavailabilityThiamine HCl (95%)Methylcobalamin (70%)
Categories04
Available Products00

Vitamin B1

Typevitamin
Common Dosage1.1-1.2 mg daily
Best BioavailabilityThiamine HCl (95%)
Categories0
Available Products0

Vitamin B12

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

Can You Take Both?

Yes, Vitamin B1 and Vitamin B12 can typically be taken together. In fact, we found 41 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin B1

Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function, and carbohydrate processing. Required for production of ATP in cellular mitochondria.

Categories:

Common Forms:

  • • Thiamine HCl (95% bioavailability)
  • • Thiamine mononitrate (90% bioavailability)
  • • Benfotiamine (50% 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 B1 and Vitamin B12

We found 12 products that combine both supplements:

Vitamin Code Raw B-Complex

Garden of Life

$19.19Score: 87/100
Transparent Labs Multivitamin

Transparent Labs Multivitamin

Transparent Labs

$44.99Score: 87/100
Essential Multivitamin

Essential Multivitamin

Momentous

$39.95Score: 86/100
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
Iron+

Iron+

Momentous

$14.97Score: 86/100
Multi for Him Tablets

Multi for Him Tablets

Nature Made

$11.49Score: 86/100
Essential Capsules

Essential Capsules

Blueprint

Score: 86/100
Happy - Bonne Humeur

Happy - Bonne Humeur

Raptor Nutrition

$24Score: 86/100
Multi for Him 50+ Tablets

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100
Daily Multi Vitamins & Minerals

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100
Elite Multivitamin

Elite Multivitamin

Gorilla Mind

$44.99Score: 85/100

Frequently Asked Questions

What is the difference between Vitamin B1 and Vitamin B12?

Vitamin B1 and Vitamin B12 are both important supplements with distinct properties. Vitamin B1 Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function, and carbohydrate processing. Required for production of ATP in cellular mitochondria., while Vitamin B12 Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation..

Can I take Vitamin B1 and Vitamin B12 together?

Based on our analysis of 41 products that contain both, yes, Vitamin B1 and Vitamin B12 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin B1 or Vitamin B12?

In our database of 564 products, Vitamin B1 appears in 44 products, while Vitamin B12 appears in 90 products.

Related Comparisons & Products

What is Vitamin B1?What is Vitamin B12?Vitamin A vs Vitamin B1Calcium vs Vitamin B1Calcium vs Vitamin B12Transparent Labs Multivitamin (contains both)Vitamin Code Raw B-Complex (contains both)Happy - Bonne Humeur (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.