USE OF ACETYL L CARNITINE IN COMBINATION WITH PROPIONYL L CARNITINE AND SILDENAFIL FOR THE TREATMENT OF ERECTILE DYSFUNCTION E Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that L Carnitine for Cutting vs Bulking: How It Works in Both Phases L Carnitine Before or After Workout Which Is Better for Fat Loss ? Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Carnitine for Muscle Growth: How It Supports Strength & Endurance