Vitamin K vs Magnesium

TL;DR

Quick comparison: Vitamin K and Magnesium have 0 overlapping categories and appear together in 12 products.

•Choose Vitamin K if: Fat-soluble vitamin essential for blood clotting and bone metabolism. K1 from pl...
•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 K	Magnesium
Type	vitamin	mineral
Common Dosage	90-120 mcg daily	310-420 mg daily
Best Bioavailability	MK-7 (90%)	Magnesium Bisglycinate (85%)
Categories	0	7
Available Products	0	0

Vitamin K

Typevitamin

Common Dosage90-120 mcg daily

Best BioavailabilityMK-7 (90%)

Categories0

Available Products0

Magnesium

Typemineral

Common Dosage310-420 mg daily

Best BioavailabilityMagnesium Bisglycinate (85%)

Categories7

Available Products0

Can You Take Both?

Yes, Vitamin K and Magnesium can typically be taken together. In fact, we found 12 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin K

Fat-soluble vitamin essential for blood clotting and bone metabolism. K1 from plants and K2 from bacteria and fermented foods.

Categories:

Common Forms:

• MK-7 (90% bioavailability)
• MK-9 (85% bioavailability)
• MK-4 (75% 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 K and Magnesium

We found 12 products that combine both supplements:

Transparent Labs Multivitamin

Transparent Labs

$44.99Score: 87/100

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100

Essential Multivitamin

Momentous

$39.95Score: 86/100

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100

Multi for Him Tablets

Nature Made

$11.49Score: 86/100

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100

Elite Multivitamin

Gorilla Mind

$44.99Score: 85/100

Vitamin Code Raw Calcium

Garden of Life

$25.59Score: 85/100

Multi for Her Tablets

Nature Made

$12.49Score: 84/100

Multivitamin Complete Tablets with Iron

Nature Made

$9.99Score: 83/100

Daily Multivitamin for Women

Bloom Nutrition

$24.99Score: 54/100

Frequently Asked Questions

What is the difference between Vitamin K and Magnesium?

Vitamin K and Magnesium are both important supplements with distinct properties. Vitamin K Fat-soluble vitamin essential for blood clotting and bone metabolism. K1 from plants and K2 from bacteria and fermented foods., 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 K and Magnesium together?

Based on our analysis of 12 products that contain both, yes, Vitamin K and Magnesium can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin K or Magnesium?

In our database of 564 products, Vitamin K appears in 20 products, while Magnesium appears in 82 products.

Related Comparisons & Products

What is Vitamin K?What is Magnesium?Vitamin B6 vs Magnesium Sodium vs Magnesium Vitamin E vs Vitamin K Transparent 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.