Can blackcurrant improve exercise performance? Explore the evidence on anthocyanins, fat oxidation, endurance, strength, muscle damage and exercise recovery.

What role does L-Lysine play in athletes? Explore its relationship with protein synthesis, collagen, carnitine, strength and exercise-induced growth hormone.

Review the evidence for L-theanine in relaxation, stress, attention and sleep, including caffeine combinations, dosage and safety.

Learn when melatonin may help sleep and jet lag, including timing, dosage, side effects, interactions and safety.