Jakob Schwichtenberg’s Newsletter

In a sense, he's just the latest in a long lineage of charlatans making money off the promise to help people live longer, if not forever.

Like every fitness and health influencer before him, he might have started with good intentions but is slowly evolving into yet another supplement shill.

Bryan Johnson is famously taking a "shot-gun" approach: "Let's try everything at once and see what we find."

If there is one paper that suggests that, for example, low doses of lithium might increase dementia risk, that seems to be good enough for him.

There are hundreds of threads on Reddit where people try to decipher why, say, he's eating macadamia nuts and strawberries but not almonds and apples.

You might have done your research on the supplement vendor, but then the company gets sold to private equity and quality control goes down the drain.

Caloric restriction (aka eating less energy than you burn) prompts the body to decrease sympathetic activity in order to conserve energy.

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