Iodine vs Magnesium

TL;DR

Quick comparison: Iodine and Magnesium have 0 overlapping categories and appear together in 20 products.

•Choose Iodine if: Essential trace mineral critical for thyroid hormone synthesis....
•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	Iodine	Magnesium
Type	mineral	mineral
Common Dosage	150 mcg daily	310-420 mg daily
Best Bioavailability	Potassium iodide (95%)	Magnesium Bisglycinate (85%)
Categories	0	7
Available Products	0	0

Iodine

Typemineral

Common Dosage150 mcg daily

Best BioavailabilityPotassium iodide (95%)

Categories0

Available Products0

Magnesium

Typemineral

Common Dosage310-420 mg daily

Best BioavailabilityMagnesium Bisglycinate (85%)

Categories7

Available Products0

Can You Take Both?

Yes, Iodine and Magnesium can typically be taken together. In fact, we found 20 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Iodine

Essential trace mineral critical for thyroid hormone synthesis.

Categories:

Common Forms:

• Potassium iodide (95% bioavailability)
• Sodium iodide (90% bioavailability)
• Kelp (seaweed) (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 Iodine and Magnesium

We found 12 products that combine both supplements:

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100

Essential Multivitamin

Momentous

$39.95Score: 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

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100

Elite Multivitamin

Gorilla Mind

$44.99Score: 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

Gorilla Hydration

Gorilla Mind

$44.99Score: 77/100

Centrum Women Multivitamin/Multimineral Supplement

Centrum

$18.73Score: 77/100

Frequently Asked Questions

What is the difference between Iodine and Magnesium?

Iodine and Magnesium are both important supplements with distinct properties. Iodine Essential trace mineral critical for thyroid hormone synthesis., 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 Iodine and Magnesium together?

Based on our analysis of 20 products that contain both, yes, Iodine and Magnesium can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Iodine or Magnesium?

In our database of 564 products, Iodine appears in 34 products, while Magnesium appears in 82 products.

Related Comparisons & Products

What is Iodine?What is Magnesium?Vitamin B6 vs Iodine Vitamin B6 vs Magnesium Folate vs Iodine Multi for Him Tablets (contains both)Essential Multivitamin (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.