Niacinamide vs Selenium

TL;DR

Quick comparison: Niacinamide and Selenium have 0 overlapping categories and appear together in 19 products.

•Choose Niacinamide if: Niacinamide, a vitamin B3 form, supports skin health by improving barrier functi...
•Choose Selenium if: Essential trace mineral critical for antioxidant defense (selenoproteins), thyro...
•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	Niacinamide	Selenium
Type	vitamin	mineral
Common Dosage	125mg	55 mcg daily
Best Bioavailability	Niacinamide (90%)	L-Selenomethionine (90%)
Categories	0	3
Available Products	0	0

Niacinamide

Typevitamin

Common Dosage125mg

Best BioavailabilityNiacinamide (90%)

Categories0

Available Products0

Selenium

Typemineral

Common Dosage55 mcg daily

Best BioavailabilityL-Selenomethionine (90%)

Categories3

Available Products0

Can You Take Both?

Yes, Niacinamide and Selenium can typically be taken together. In fact, we found 19 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Niacinamide

Niacinamide, a vitamin B3 form, supports skin health by improving barrier function, reducing inflammation, and minimizing wrinkles. It aids energy metabolism, enhances DNA repair, and may lower skin cancer risk. Found in meat, fish, and supplements.

Categories:

Common Forms:

• Niacinamide (90% bioavailability)

Selenium

Essential trace mineral critical for antioxidant defense (selenoproteins), thyroid hormone metabolism, and immune function.

Categories:

Immunity Skin, Hair & Nails Detox & Liver

Common Forms:

• L-Selenomethionine (90% bioavailability)
• Selenomethionine (90% bioavailability)
• Selenium yeast (80% bioavailability)

Products Containing Both Niacinamide and Selenium

We found 12 products that combine both supplements:

Essential Capsules

Blueprint

Score: 86/100

Multi for Him Tablets

Nature Made

$11.49Score: 86/100

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100

Elite Multivitamin

Gorilla Mind

$44.99Score: 85/100

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

Adult 50+ Mature Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 82/100

Centrum Women Multivitamin/Multimineral Supplement

Centrum

$18.73Score: 77/100

Centrum Men Multivitamin/Multimineral Supplement

Centrum

$22.99Score: 76/100

Centrum Silver Men 50+ Multivitamin/Multimineral Supplement

Centrum

$19.48Score: 76/100

Frequently Asked Questions

What is the difference between Niacinamide and Selenium?

Niacinamide and Selenium are both important supplements with distinct properties. Niacinamide Niacinamide, a vitamin B3 form, supports skin health by improving barrier function, reducing inflammation, and minimizing wrinkles. It aids energy metabolism, enhances DNA repair, and may lower skin cancer risk. Found in meat, fish, and supplements., while Selenium Essential trace mineral critical for antioxidant defense (selenoproteins), thyroid hormone metabolism, and immune function..

Can I take Niacinamide and Selenium together?

Based on our analysis of 19 products that contain both, yes, Niacinamide and Selenium can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Niacinamide or Selenium?

In our database of 564 products, Niacinamide appears in 32 products, while Selenium appears in 35 products.

Related Comparisons & Products

What is Niacinamide?What is Selenium?Vitamin E vs Selenium Manganese vs Selenium Selenium vs Vitamin K Essential Capsules (contains both)Multi for Him Tablets (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.