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Catalyst

sodium chlorideFinding

Sodium chloride increases body mass

raisesVery limited evidenceFindingreplicated ×1

01 · The sentence it was drawn from

“Body mass increased with sodium versus placebo (0.38 [0.02, 0.74] kg; p = .04), with a greater increase in MC Phase 4 (0.69 [0.17, 1.2] kg; p < .001).”
Quoted verbatim from Sodium Hyperhydration Improves Performance With No Change in Thermal and Cardiovascular Strain in Female Cyclists Exercising in the Heat Across the Menstrual Cycle.
This finding among the 67 findings on its endpoint

sodium chloride

Body mass

raises

Who
Twelve unacclimatized endurance-trained female cyclists/triathletes, randomized double-blinded crossover, exercising in 34 degrees C heat; both arms drank the same fluid volume, the placebo being sucrose
Dose studied
30 ml/kg fat-free mass fluid containing NaCl 7.5 g/L, 2 hr before 75 min steady-state cycling

Very limited evidencePMID 39591960 · 2025

02 · The study

Study
crossover
Duration
not reported

Evidence, by strength

  • strong
  • moderate
  • limited
  • very limitedthis finding
  • insufficient

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M7006ST356Q5HNPBY76BVEP9