Posts in Fitness & physical performance

Train with your hormones, not against them. We cover strength, hypertrophy, VO2 max, recovery, and injury prevention through an endocrine lens. Discover how training, nutrition, and daily activity can impact testosterone levels and support natural balance. Use estradiol balance for joint health, plan sleep taper cycles before competitions, and turn smart physiology into new PRs.

L-carnitine benefits: fuel your mitochondria and support androgen receptors

L-carnitine benefits: fuel your mitochondria and support androgen receptors

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Oct 25, 2025

Oral L-carnitine at 1–5 g per day helps move fat into mitochondria—the cell’s power stations—and may raise androgen receptor density in muscle. Watch TMAO, a gut microbe byproduct, by supporting your microbiome and using garlic allicin with higher intakes. For lifters and endurance athletes, L-carnitine is not magic, but the biology is solid. It moves […]