It also makes up a large percentage of collagen, the structural strength of human connective tissue. Histidine is used by the body to create histamines, which are triggered in allergic reactions. Lysine is most commonly known for its ability to combat herpes outbreaks. It is beneficial when taking Arginine because Arginine can cause herpes outbreaks. Methionine is one of the primary sulfur containing amino acids.
Sulfur plays important roles in producing healthy hair, skin and muscle.
Phenylalanine is one of the most important amino acids, used in a variety of critical functions including fighting depression, pain, improving memory and controlling appetite. Tyrosine is most known for its antidepressant properties. The body makes Tyrosine from phenylalanine. Tyrosine has been shown to help reduce the frequency and intensity of hay fever and allergy attacks. Contents Performance Enhancers One of the largest groups of people frequenting health food stores are athletes and body builders.