Vitamin B9 vs Magnesium

TL;DR

Quick comparison: Vitamin B9 and Magnesium have 0 overlapping categories and appear together in 18 products.

•Choose Vitamin B9 if: Water-soluble vitamin (folate) essential for DNA synthesis, cell division, and m...
•Choose Magnesium if: Essential mineral involved in over 300 enzymatic reactions including energy prod...
•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	Magnesium
Type	vitamin	mineral
Common Dosage	400 mcg DFE daily	310-420 mg daily
Best Bioavailability	Folic acid (95%)	Magnesium Bisglycinate (85%)
Categories	0	7
Available Products	0	0

Vitamin B9

Typevitamin

Common Dosage400 mcg DFE daily

Best BioavailabilityFolic acid (95%)

Categories0

Available Products0

Magnesium

Typemineral

Common Dosage310-420 mg daily

Best BioavailabilityMagnesium Bisglycinate (85%)

Categories7

Available Products0

Can You Take Both?

Yes, Vitamin B9 and Magnesium can typically be taken together. In fact, we found 18 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)

Magnesium

Essential mineral involved in over 300 enzymatic reactions including energy production, protein synthesis, muscle/nerve function, and blood pressure regulation.

Categories:

Muscle Gain Sleep Recovery Vitality Stress & Mood Heart Health Hormonal Health

Common Forms:

• Magnesium Bisglycinate (85% bioavailability)
• Magnesium Taurate (80% bioavailability)
• DiMagnesium Malate (75% bioavailability)

Products Containing Both Vitamin B9 and Magnesium

We found 12 products that combine both supplements:

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100

Multi for Him Tablets

Nature Made

$11.49Score: 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

Limitless Fuel

Raptor Nutrition

$44Score: 83/100

Adult 50+ Mature Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 82/100

Centrum Women Multivitamin/Multimineral Supplement

Centrum

$18.73Score: 77/100

Centrum Silver Women 50+ Multivitamin/Multimineral Supplement

Centrum

$19.48Score: 76/100

Centrum Silver Adults 50+ Multivitamin/Multimineral Supplement

Centrum

$19.48Score: 76/100

Frequently Asked Questions

What is the difference between Vitamin B9 and Magnesium?

Vitamin B9 and Magnesium 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 Magnesium Essential mineral involved in over 300 enzymatic reactions including energy production, protein synthesis, muscle/nerve function, and blood pressure regulation..

Can I take Vitamin B9 and Magnesium together?

Based on our analysis of 18 products that contain both, yes, Vitamin B9 and Magnesium can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin B9 or Magnesium?

In our database of 564 products, Vitamin B9 appears in 41 products, while Magnesium appears in 82 products.

Related Comparisons & Products

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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.