IDS Acetyl L-Carnitine ALC-600 - 120 caps provides an efficient amino acid that helps replenish energy stores after a workout and supports immune function, mood, focus, testosterone levels, and cardiovascular health. The body can absorb Acetyl L-Carnitine much better than regular L-Carnitine, which is found in meat and dairy products. These amino acids are used in the metabolism of fats into energy. Studies have indicated that Acetyl L-Carnitine has comprehensive health benefits. Studies relating specifically to anti-aging have shown that this amino acid can boost myocellular energy production and promote heart health.