The Truth About NAD Testing — What It Actually Measures (and What It Doesn’t)
17 Nov 2025 · 1 min

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Short conversational segment from a YouTube video discussing the value of NAD testing. Speakers note that commercial tests measure blood NAD (e.g., blood spots) but not intracellular or tissue-specific NAD, and therefore these blood-based results are not reliable biomarkers of true intracellular NAD status; one speaker advises against doing NAD testing commercially for that reason.










