Creatinine is formed from -Glycine

Creatinine is formed from -
a) Glycine
b) Lysine
c) Leucine
d) Histamine
Correct Answer - A
Ans. A. Glycine
Creatinine and creatine are synthesized from glycine, arginine, and
methionine.
Synthesis of creatine and creatinine
Creatine and creatinine are not amino acids, but specialized
products of amino acids. Creatine is synthesized from glycine,
arginine, and methionine. The synthesis starts with the formation of
guanidinoacetate from glycine and arginine in the kidney. Further
reactions take place in the liver and muscle.