Comparison

Vitamin B3 vs Calcium

TL;DR

Quick comparison: Vitamin B3 and Calcium have 0 overlapping categories and appear together in 2 products.

Choose Vitamin B3 if: Water-soluble vitamin (niacin) involved in over 400 enzymatic reactions....
Choose Calcium if: Most abundant mineral in the body, with 99% stored in bones and teeth. Essential...
Take both if: You want comprehensive coverage across 0 shared categories.

565 products

analyzed in our comprehensive supplement database

Source · MoodStack Database (2026)

Side-by-side comparison

Feature	Vitamin B3	Calcium
Type	vitamin	mineral
Common Dosage	14-16 mg NE daily	1000-1200 mg daily
Best Bioavailability	Niacinamide (NAM) (90%)	Calcium citrate (40%)
Categories	0	0
Available Products	0	0

Vitamin B3

Typevitamin

Common Dosage14-16 mg NE daily

Best BioavailabilityNiacinamide (NAM) (90%)

Categories0

Available Products0

Calcium

Typemineral

Common Dosage1000-1200 mg daily

Best BioavailabilityCalcium citrate (40%)

Categories0

Available Products0

Can you take both?

Yes, Vitamin B3 and Calcium can typically be taken together. In fact, we found 2 products in our database that contain both supplements, suggesting they complement each other well.

Key differences

Option A

Vitamin B3

Water-soluble vitamin (niacin) involved in over 400 enzymatic reactions.

Common forms

Niacinamide (NAM) · 90% bioavailability
Nicotinic acid (Niacin) · 90% bioavailability
Inositol hexanicotinate · 60% bioavailability

Option B

Calcium

Most abundant mineral in the body, with 99% stored in bones and teeth. Essential for bone structure, muscle contraction, nerve transmission.

Common forms

Calcium citrate · 40% bioavailability
Dicalcium Malate · 40% bioavailability
Calcium lactate · 35% bioavailability

Products with both Vitamin B3 and Calcium

We found 2 products that combine both supplements:

ELEMENTS - Multivitamines & Mineraux

76·Raptor Nutrition

Daily Multivitamin for Women

54·Bloom Nutrition

Frequently asked

What is the difference between Vitamin B3 and Calcium?

Vitamin B3 and Calcium are both important supplements with distinct properties. Vitamin B3 Water-soluble vitamin (niacin) involved in over 400 enzymatic reactions., while Calcium Most abundant mineral in the body, with 99% stored in bones and teeth. Essential for bone structure, muscle contraction, nerve transmission..

Can I take Vitamin B3 and Calcium together?

Based on our analysis of 2 products that contain both, yes, Vitamin B3 and Calcium can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin B3 or Calcium?

In our database of 565 products, Vitamin B3 appears in 9 products, while Calcium appears in 58 products.

Related comparisons & products

What is Vitamin B3?What is Calcium?Vitamin B3 vs Chromium Vitamin B3 vs Vitamin A Vitamin B3 vs Copper ELEMENTS - Multivitamines & Mineraux (contains both)Daily Multivitamin for Women (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.