L Carnitine: The Ultimate Supplement for Sperm Quality and Male Sexual Health Does L carnitine help erectile dysfunction? 1 L Carnitine This amino acid plays a crucial role in fat metabolism and has been shown to support testosterone levels by improving androgen receptor activity. It also enhances muscle recovery and New research says L carnitine might do more than you think. It can help with recovery after your workoutsnot just fat metabolism like most people assume. Watch this , #LCarnitine #WorkoutRecovery L Carnitine Tartrate Supplementation for 5 Weeks Improves Exercise Recovery in Men and Women: A Randomized, Double Blind, Placebo Controlled Trial