Vitamin B9 vs Vitamin B2

TL;DR

Quick comparison: Vitamin B9 and Vitamin B2 have 0 overlapping categories and appear together in 26 products.

•Choose Vitamin B9 if: Water-soluble vitamin (folate) essential for DNA synthesis, cell division, and m...
•Choose Vitamin B2 if: Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, ...
•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

Feature	Vitamin B9	Vitamin B2
Type	vitamin	vitamin
Common Dosage	400 mcg DFE daily	25mg
Best Bioavailability	Folic acid (95%)	Riboflavin (90%)
Categories	0	0
Available Products	0	0

Vitamin B9

Typevitamin

Common Dosage400 mcg DFE daily

Best BioavailabilityFolic acid (95%)

Categories0

Available Products0

Vitamin B2

Typevitamin

Common Dosage25mg

Best BioavailabilityRiboflavin (90%)

Categories0

Available Products0

Can You Take Both?

Yes, Vitamin B9 and Vitamin B2 can typically be taken together. In fact, we found 26 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin B9

Water-soluble vitamin (folate) essential for DNA synthesis, cell division, and methylation reactions. Critical during pregnancy.

Categories:

Common Forms:

• Folic acid (95% bioavailability)
• L-Methylfolate (5-MTHF) (85% bioavailability)
• Folinic acid (Leucovorin) (80% bioavailability)

Vitamin B2

Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, maintains healthy skin, and protects against oxidative stress. It aids red blood cell production and prevents migraines. Found in dairy, eggs, and supplements.

Categories:

Common Forms:

• Riboflavin (90% bioavailability)
• Riboflavin 5' Phosphate (80% bioavailability)
• Riboflavin 5-Phosphate (80% bioavailability)

Products Containing Both Vitamin B9 and Vitamin B2

We found 12 products that combine both supplements:

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100

Multi for Him Tablets

Nature Made

$11.49Score: 86/100

Happy - Bonne Humeur

Raptor Nutrition

$24Score: 86/100

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100

Multi for Her Tablets

Nature Made

$12.49Score: 84/100

Multivitamin Complete Tablets with Iron

Nature Made

$9.99Score: 83/100

Super B-Complex with Electrolytes

Kirkland Signature

$15.99Score: 82/100

Adult 50+ Mature Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 82/100

Super B Complex with Vitamin C Tablets

Nature Made

$10.49Score: 81/100

Clear Vegan Protein

Myprotein

$24.99Score: 79/100

Frequently Asked Questions

What is the difference between Vitamin B9 and Vitamin B2?

Vitamin B9 and Vitamin B2 are both important supplements with distinct properties. Vitamin B9 Water-soluble vitamin (folate) essential for DNA synthesis, cell division, and methylation reactions. Critical during pregnancy., while Vitamin B2 Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, maintains healthy skin, and protects against oxidative stress. It aids red blood cell production and prevents migraines. Found in dairy, eggs, and supplements..

Can I take Vitamin B9 and Vitamin B2 together?

Based on our analysis of 26 products that contain both, yes, Vitamin B9 and Vitamin B2 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin B9 or Vitamin B2?

In our database of 564 products, Vitamin B9 appears in 41 products, while Vitamin B2 appears in 44 products.

Related Comparisons & Products

What is Vitamin B9?What is Vitamin B2?Vitamin B6 vs Vitamin B2 Zinc vs Vitamin B2 Vitamin D vs Vitamin B2 Multi for Him Tablets (contains both)Happy - Bonne Humeur (contains both)Multi for Him 50+ 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.