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Experimental data suggest that sustained elevations in growth hormone and IGF-1 may increase LH/hCG receptor density in Leydig cells and may raise hCG-stimulated hormonal output per cell, specifically the hormone testosterone
Fuelled by social media, podcasts and the booming interest in longevity and performance optimisation, peptides have become one of the fastest-growing trends in fitness
The jurys still out on these since some studies show a smaller insulin response while others show no meaningful effect (like this study)
A.SimonyanR
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