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  3. Caffeine vs Vitamin B12

Caffeine vs Vitamin B12

TL;DR

Quick comparison: Caffeine and Vitamin B12 have 2 overlapping categories and appear together in 11 products.

  • •Choose Caffeine if: Caffeine boosts alertness and focus by stimulating the central nervous system, e...
  • •Choose Vitamin B12 if: Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis...
  • •Take both if: You want comprehensive coverage across 2 shared categories.
564 products
analyzed in our comprehensive supplement database
Source: MoodStack Database (2026)

Side-by-Side Comparison

FeatureCaffeineVitamin B12
Typealkaloidvitamin
Common DosageN/A2.4 mcg daily
Best BioavailabilityCaffeine Anhydrous (99%)Methylcobalamin (70%)
Categories34
Available Products00

Caffeine

Typealkaloid
Common DosageN/A
Best BioavailabilityCaffeine Anhydrous (99%)
Categories3
Available Products0

Vitamin B12

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

Can You Take Both?

Yes, Caffeine and Vitamin B12 can typically be taken together. In fact, we found 11 products in our database that contain both supplements, suggesting they complement each other well.

Both supplements share 2 common categories, indicating they may work synergistically for similar health goals.

Key Differences

Caffeine

Caffeine boosts alertness and focus by stimulating the central nervous system, enhances physical performance, and may improve mood. It supports metabolism and fat burning, potentially aiding weight management. Coffee, tea, and energy drinks are common sources.

Categories:

Fat LossEnduranceFocus & Cognition

Common Forms:

  • • Caffeine Anhydrous (99% bioavailability)
  • • Di-Caffeine Malate (95% bioavailability)
  • • Caffeine (as Green Coffee Bean Extract) (70% 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)

Shared Categories

Both Caffeine and Vitamin B12 are used for these health goals:

🏃‍♂️Endurance🧠Focus & Cognition

Products Containing Both Caffeine and Vitamin B12

We found 12 products that combine both supplements:

Transparent Labs BULK Pre-Workout

Transparent Labs BULK Pre-Workout

Transparent Labs

$49.99Score: 93/100
Transparent Labs BULK Pre-Workout

Transparent Labs BULK Pre-Workout

Transparent Labs

$49.99Score: 93/100
Transparent Labs Cognition Nootropic

Transparent Labs Cognition Nootropic

Transparent Labs

$44.99Score: 90/100
Transparent Labs BULK Black Pre-Workout

Transparent Labs BULK Black Pre-Workout

Transparent Labs

$54.99Score: 88/100
Transparent Labs BULK Black Pre-Workout

Transparent Labs BULK Black Pre-Workout

Transparent Labs

$54.99Score: 88/100

THE Pre-Workout

Myprotein

$39.99Score: 84/100

GHOST Gamer

GHOST

$39.99Score: 80/100
Essential Pre-Workout

Essential Pre-Workout

RAW Nutrition

$27Score: 79/100
Centrum MultiGummies Multi + Mental Focus

Centrum MultiGummies Multi + Mental Focus

Centrum

$14.97Score: 73/100
Big Shot Pre-Workout 300 g

Big Shot Pre-Workout 300 g

Prozis

$1999Score: 72/100
Sparkling Energy Drink

Sparkling Energy Drink

Bloom Nutrition

$29.99Score: 70/100
Thavage Pre-Workout

Thavage Pre-Workout

RAW Nutrition

$45Score: 69/100

Frequently Asked Questions

What is the difference between Caffeine and Vitamin B12?

Caffeine and Vitamin B12 are both important supplements with distinct properties. Caffeine Caffeine boosts alertness and focus by stimulating the central nervous system, enhances physical performance, and may improve mood. It supports metabolism and fat burning, potentially aiding weight management. Coffee, tea, and energy drinks are common sources., while Vitamin B12 Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation..

Can I take Caffeine and Vitamin B12 together?

Based on our analysis of 11 products that contain both, yes, Caffeine and Vitamin B12 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Caffeine or Vitamin B12?

In our database of 564 products, Caffeine appears in 49 products, while Vitamin B12 appears in 90 products.

Related Comparisons & Products

What is Caffeine?What is Vitamin B12?L-Tyrosine vs CaffeineCalcium vs Vitamin B12Caffeine vs TaurineTransparent Labs BULK Pre-Workout (contains both)Transparent Labs BULK Pre-Workout (contains both)Transparent Labs Cognition Nootropic (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.