The Claim
Beverages containing at least 25 mM sodium result in smaller reductions in body mass over 210 minutes compared to placebo in healthy, active adults, indicating enhanced fluid retention.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Drinking beverages with at least 25 mM sodium leads to less loss of body weight over 210 minutes than drinking a placebo, which means more fluid is retained in the body.
See the scientific wording
Beverages containing at least 25 mM sodium improve fluid balance in healthy, active adults, as evidenced by smaller reductions in body mass over 210 minutes compared to placebo, indicating enhanced fluid retention.
When a person drinks a beverage with at least 25 millimoles of sodium per liter, the sodium enters the bloodstream and raises the concentration of solutes in the blood. This signals the brain to reduce the release of a hormone that tells the kidneys to release water. As a result, the kidneys hold onto more water by reabsorbing it back into the blood, which keeps more fluid in the body and reduces weight loss over time.
What the research says
1 studyDrinking a sports drink with at least 25 millimoles of sodium kept people from losing as much body weight as drinking plain water, meaning their bodies held onto more fluid for over 3 hours.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.