Conditionally Essential amino acids are
Conditionally Essential Amino Acids (CEAA):
Non-essential amino acids may turn essential if their precursors are limited in the body
– There are 2 CEAA, namely, Tyrosine (derived from Phenyalanine) and Cyteine (derived from methionine)
Tyrosine & Cysteine
Histidine & Arginine
Leucine & Lysine
Phenylalanine & Tryptophan