There are nine essential amino acids that humans must obtain from their diet because the body cannot synthesize them in sufficient amounts. These nine essential amino acids are:
- Histidine
- Isoleucine
- Leucine
- Lysine
- Methionine
- Phenylalanine
- Threonine
- Tryptophan
- Valine
These amino acids are crucial for various bodily functions, including protein synthesis, muscle repair, immune function, and neurotransmitter production
. In summary, the number of essential amino acids for humans is nine.
