noun[mass noun] Biochemistry
A compound formed in protein metabolism and present in much living tissue. It is involved in the supply of energy for muscular contraction.
- It is going to lead to increases in the appearance, of proteins, such as creatine kinase in the bloodstream.
- It improves the uptake of protein and other nutrients, such as creatine and glutamine.
- Insulin helps to drive glucose, amino acids and creatine into muscle cells.
Mid 19th century: formed irregularly from Greek kreas 'meat' + -ine4.
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