As a fitness enthusiast it`s important to keep my body in optimal condition .Amino acids are a crucial part of this, which is why I opted for this L-Lysine supplement. According to my experience, taking this daily has improved my endurance during workouts and has helped with muscle recovery. A pro is that it's free of unnecessary ingredients and additives. the only con is that the bottle size is a bit small, so I have to reorder more frequently. Overall, a WORTHWHILE investment for anyone lookinSee full review