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Therapeutic peptides are short-chain amino acid sequences, typically ranging from 2 to 50 residues, that bind selectively to cellular receptors and trigger targeted repair cascades.
Anabolic-androgenic steroids function by binding to cytoplasmic androgen receptors, translocating to the nucleus, and altering gene transcription to accelerate protein synthesis and nitrogen retention. Anabolic-to-androgenic
Testosterone is the principal androgenic hormone governing muscle composition, bone density, mood regulation, and sexual function in men. Produced in the Leydig cells and regulated