Creatine
“Creating (muscle)”
Tyler the Creator
What it isNitrogenous acid made from glycine, arginine and methionine that, as phosphocreatine, buffers ATP regeneration in muscle and brain.
Why this oneAmong the best-supported sports supplements for short-burst power output, and it is under study in neurologic and psychiatric conditions where cerebral energetics are implicated.
What limits itRaises serum creatinine — which looks like renal impairment on a basic metabolic panel and is not — and causes weight gain from intracellular water; benefit outside high-intensity exercise is unsettled.
NO BOXED WARNINGS
Classes and tags
Clinical profile
Available strengths
- powder 5 g/scoop
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Self-check
- Why can creatine increase body weight?
Intracellular water. - Does creatine’s serum creatinine rise indicate renal impairment here?
No.