Not verified evidencemineral
Phosphorus for Muscle Cramps
Maintains cellular membrane potential and electrolyte balance. Supports calcium-phosphate homeostasis for neuromuscular function.
How strong is the research?
Not verified evidence
Among 72 ultra-distance runners, blood potassium and other electrolyte levels were no different in those who cramped than in those who did not, suggesting electrolyte levels do not cause exercise-related muscle cramps.
How much to take
500–800 mg
Rare as isolated deficiency. Check electrolyte panel if cramps persist.