Nine: The nine essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Essential means that the body cannot manufacture these amino acids from others in the diet. Thanks for trusting HealthTap!
Answered 12/30/2014
3.4k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question