I don't talk about supplements often. When I do, it's because something has genuinely shifted in my body — not because it's trending. Since adding NMN into my routine alongside peptide therapy, I've noticed more sustained energy, sharper focus, motivation to actually go hard at the gym, and — the one that surprised me most — a visible glow to my skin. So let's talk about what this molecule actually is, what it's doing at the cellular level, and why both Western science and TCM have been describing the same phenomenon for centuries — just in different languages.