Fleet MaullThe Entrepreneur’s Zen Master

What if aging, energy, and performance are more programmable than we’ve been taught to believe?

15 Sept 2026 · 1 min

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A biohacker describes getting gene-therapy injections to boost klotho and follistatin, proteins that decline with age. One injection signals cells to produce more klotho for one to two years, claimed to improve cognition and longevity. A second targets follistatin to build muscle and cut fat without diet or exercise changes.

Chapters

In the world of biohacking, we get to do gene therapy. So I've done 2 injections, and we offer these to clients at Unlimited Life, where a protein called klotho that improves cognitive function and longevity— I've injected some signals for my cells to cause them to make more klotho for the next year or 2. So I've bumped my levels up, and I've done the same thing with follistatin, which helps you have muscles and lower fat, um, even if you don't change your exercise or diet. These are things that young people have that old people lose.