The Skincarma Pod | Ep. 73: NAD⁺ — The Molecule Everyone Wants to Boost, But No One Can Measure with Jari Närhi, NADMED CEO

The Skincarma Pod | Ep. 73: NAD⁺ — The Molecule Everyone Wants to Boost, But No One Can Measure with Jari Närhi, NADMED CEO

April 19, 2026 · 30 min

About this episode

Carmine Montalto interviews Jari Närhi about the importance of measuring NAD⁺ levels for health and longevity.

Everyone is talking about boosting NAD⁺. Almost no one is measuring it. In the world of longevity, NAD⁺ has become one of the most talked-about — and most aggressively marketed — molecules. From supplements to IV drips, the focus is on increasing NAD levels in the body. But there’s a fundamental question that rarely gets asked: How do you know if your NAD actually needs to be boosted in the first place? In this episode, Carmine sits down with Jari Närhi, CEO of NADMED , a Finnish health technology company developing one of the first clinical blood tests designed to measure NAD levels accurately and at scale. Together, they explore the science behind NAD — what it is, what it does in the body, and why it has become central to the longevity conversation. But more importantly, they unpack the measurement gap that has shaped the entire category. For decades, NAD has been notoriously difficult to measure due to its instability outside of cells — meaning much of the conversation around boosting NAD has been built on assumptions, not data. That’s where NADMED comes in. By developing a laboratory assay capable of measuring multiple forms of NAD in whole blood, they’re opening the door to…

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