l carnitine wada BBC Panorama: Farah changed his L-Carnitine story or better metabolic health I genuinely forgot': Mo Farah
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IGFBP-4 is considered to play a critical role in connective tissue and may influence the effects of IGF-1 in tendons, as it is produced by fibroblasts (60)

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Yan L, Gu H, Li J, Xu M, Liu T, Shen Y, Chen B, Zhang G

Fertility Male fertility: Oxidative stress is a major contributor to male infertility, damaging sperm DNA, membranes, and motility
