P - Phenyalanine
V - Valine
T - Tryptophan
T - Threonine
I - Isoleucine
M - Methionine
H - Histidine
A - Arginine
L - Leucine
L - Lysine
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Essential - for metabolism, health and growth, but cannot synthesize in body.
Non-Essential - is synthesized in body so not required in diet.