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Supplement Hype reports the state of evidence and grades claims. It is not a substitute for a doctor or pharmacist and does not diagnose, treat, or cure anything. Read the full disclaimer →

Head to head

Magnesium L-threonate vs NMN (nicotinamide mononucleotide)

On the strength of human evidence, Magnesium L-threonate comes out ahead (evidence 35 vs 30). But they're often used for different things — read each claim before deciding.

Shared goals: Energy & focus · Longevity

Magnesium L-threonate

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the 'brain magnesium' with thin, industry-funded data

Marketed
Evidence
Severely overhyped

Marketing intensity 80 of 100. Evidence strength 35 of 100. Verdict: Severely overhyped.

Marketed as the magnesium that reaches your brain. The human evidence is one or two small, industry-funded trials - promising, nowhere near proven, and priced at a steep premium.

Full evidence on Magnesium L-threonate →

NMN (nicotinamide mononucleotide)

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the longevity influencer's favourite

Marketed
Evidence
Severely overhyped

Marketing intensity 90 of 100. Evidence strength 30 of 100. Verdict: Severely overhyped.

It reliably raises NAD+ in your blood. Whether that does anything for human aging is unproven - and in the US the FDA no longer allows it to be sold as a supplement.

Full evidence on NMN (nicotinamide mononucleotide) →

Side by side

Metric Magnesium L-threonate NMN (nicotinamide mononucleotide)
Overall tier Limited Weak
Evidence score 35/100 30/100
Hype score 80/100 90/100
Verdict Severely overhyped Severely overhyped
Safety concern low moderate

Quick answers

Magnesium L-threonate or NMN (nicotinamide mononucleotide) — which has better evidence?

On the strength of human evidence, Magnesium L-threonate comes out ahead (evidence 35 vs 30). But they're often used for different things — read each claim before deciding.

Can you take Magnesium L-threonate and NMN (nicotinamide mononucleotide) together?

This page compares the evidence, not interactions. Some supplements interact with each other or with medications — check each one's safety section and talk to a pharmacist before stacking.