Bryan Johnson· Author
The goal for S-100B is midrange. Elevated levels signal your brain is under stress. Low levels could mean the brain isn’t properly repairing itself.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The goal for S-100B is midrange. Elevated levels signal your brain is under stress. Low levels could mean the brain isn’t properly repairing itself.
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Elevated serum S-100B levels are common marker of brain inflammation due to injury, poor sleep or bad diet.
If mid-range (ideal), you’re ok.
And so really is a a marker of something is wrong.