Skip to content

IGF-1

Category: hormones

Mentions

HHeightOptimized (@HeightOptimized)Screenshot 2026-06-16 at 20.07.59.png.txt
https://x.com/HeightOptimized/status/1988878423283209445 (approx.)

Colostrum contains enough IGF-1 that the World Anti-Doping Agency tells athletes not to ingest it.

Adults consuming 20g of bovine colostrum powder for 14 days showed a 17% increase in serum IGF-1.

[Blurred graph showing IGF concentration with colostrum vs placebo over 14 days]

1:41 AM · Nov 13, 2025 · 44.6K Views

[Reply thread discussing 20g daily amount]

[Quote from research: "Oral bovine colostrum supplementation does not increase circulating insulin-like growth factor-1 concentration in healthy adults: results from short- and long-term administration studies" - Glen Davison, Anwel W Jones, Tania Marchbank, Raymond J Playford]

Compounds: colostrum (bovine), IGF-1