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In this masterclass I break down what MOTS-c actually is. It's a tiny peptide your mitochondria make when you exercise. It's the only major peptide coded inside the mitochondrial genome, not the cell nucleus.

I get into how it flips the AMPK switch, your cell's main fuel gauge. I cover the dual action that lets it travel into the nucleus and turn on antioxidant genes. That part makes it pretty unique.

Then I walk through the practical stuff. Who's a good candidate and who should skip it. My full dosing tiers, from a 250mcg screening dose up to 5mg. Cycling, reconstitution, and how I pair it with SS-31 and humanin.

I also cover the side effect nobody warns you about. Around 10% of people react badly, and some of those reactions are serious. That's why I start low and work up slowly.

A heads up on the evidence. Most of the exciting data is still animal models. Human data is thin, so I flag where I'm extrapolating.

MOTS-c is more bioactive than its reputation suggests. Treat it with respect and it rewards you.