Goals ›

Muscle cramps

Sudden muscle contractions that you cannot control, usually in the legs and often at night or during exercise.

Strongest evidence: Electrolytes, Magnesium and Calcium.

Supplements for muscle cramps

Each supplement gets the grade of its strongest muscle cramps benefit. Open one to see each benefit.

StrongModerateWeakNo trials
SupplementMain effects in studiesEvidenceBenefits studied
ElectrolytesCramp threshold +0.86 Hz, Pain -0.7 scaleStrong1 of 1
MagnesiumCramp threshold +0.86 Hz, Pain -0.7 pointsStrong1 of 1
CalciumCa/Mg lowers cramps, Ca/Vit D prevents crampsStrong1 of 1
PotassiumK+ correction lowers cramps, +0.86 mmol/LStrong1 of 1
DiosminLess cramps via swelling ↓, Pain relief, edema ↓Moderate1 of 1
Showing 5 of 5 supplements.

What muscle cramps covers

One benefit that studies measure, and the supplements with the strongest evidence for each.

Muscle cramps

Sudden involuntary muscle contractions, usually in the legs and often at night or during exercise. Trials count how often they happen, how long they last and how much they hurt.

5 supplements, 4 strong
  1. ElectrolytesStrong, 40
  2. MagnesiumStrong, 21
  3. CalciumStrong, 20
  4. PotassiumStrong, 16
  5. DiosminModerate, 6