Comparison

Selenium vs Molybdenum

TL;DR

Quick comparison: Selenium and Molybdenum have 0 overlapping categories and appear together in 16 products.

Choose Selenium if: Essential trace mineral critical for antioxidant defense (selenoproteins), thyro...
Choose Molybdenum if: Molybdenum is an essential trace mineral that functions as a cofactor for four c...
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	Selenium	Molybdenum
Type	mineral	mineral
Common Dosage	55 mcg daily	75-250 mcg daily (RDA: 45 mcg)
Best Bioavailability	L-Selenomethionine (90%)	Molybdenum glycine chelate (85%)
Categories	3	0
Available Products	0	0

Selenium

Typemineral

Common Dosage55 mcg daily

Best BioavailabilityL-Selenomethionine (90%)

Categories3

Available Products0

Molybdenum

Typemineral

Common Dosage75-250 mcg daily (RDA: 45 mcg)

Best BioavailabilityMolybdenum glycine chelate (85%)

Categories0

Available Products0

Can you take both?

Yes, Selenium and Molybdenum can typically be taken together. In fact, we found 16 products in our database that contain both supplements, suggesting they complement each other well.

Key differences

Option A

Selenium

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

Molybdenum

Molybdenum is an essential trace mineral that functions as a cofactor for four critical enzymes: sulfite oxidase, xanthine oxidase, aldehyde oxidase, and mitochondrial amidoxime reducing component. It is particularly important for sulfite detoxification and purine metabolism.

Common forms

Molybdenum glycine chelate · 85% bioavailability
Sodium molybdate · 80% bioavailability

Products with both Selenium and Molybdenum

We found 12 products that combine both supplements:

Transparent Labs Multivitamin

87·Transparent Labs

Multi for Him Tablets

86·Nature Made

Multi for Him 50+ Tablets

86·Nature Made

Multi for Her 50+ Tablets

86·Nature Made

Daily Multi Vitamins & Minerals

85·Kirkland Signature

Elite Multivitamin

85·Gorilla Mind

Multi for Her Tablets

84·Nature Made

Multivitamin Complete Tablets with Iron

83·Nature Made

Adult 50+ Mature Multi Vitamins & Minerals

82·Kirkland Signature

AG1 Next Gen

78·AG1

Centrum Women Multivitamin/Multimineral Supplement

77·Centrum

Centrum Silver Men 50+ Multivitamin/Multimineral Supplement

76·Centrum

Frequently asked

What is the difference between Selenium and Molybdenum?

Selenium and Molybdenum are both important supplements with distinct properties. Selenium Essential trace mineral critical for antioxidant defense (selenoproteins), thyroid hormone metabolism, and immune function., while Molybdenum Molybdenum is an essential trace mineral that functions as a cofactor for four critical enzymes: sulfite oxidase, xanthine oxidase, aldehyde oxidase, and mitochondrial amidoxime reducing component. It is particularly important for sulfite detoxification and purine metabolism..

Can I take Selenium and Molybdenum together?

Based on our analysis of 16 products that contain both, yes, Selenium and Molybdenum can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Selenium or Molybdenum?

In our database of 565 products, Selenium appears in 35 products, while Molybdenum appears in 16 products.

Related comparisons & products

What is Selenium?What is Molybdenum?Selenium vs Folate Selenium vs Vitamin K Selenium vs Vitamin B2 Transparent Labs Multivitamin (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.