Peter Attia· MD
But the best proxy for GH production endogenously seems to be widely accepted as IGF-1 which is after you produce growth hormone from the pituitary.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
But the best proxy for GH production endogenously seems to be widely accepted as IGF-1 which is after you produce growth hormone from the pituitary.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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So it's that's the best proxy we have as far as I'm aware is that serum biioarker IGF-1, but there's not
even if you inject GH like a large dose of it you will only see a spike in serum for a transient period of time and people who were trying to assess the quality of their growth hormone back in the you know with the underground stuff they would be trying to time it very specifically down to the minute to assess the quality of their stuff but the best proxy for GH production endogenously seems to be widely accepted as igf-1