Performance Nutrition Digest

Performance Nutrition Digest

Saliva - better than urine for hydration status? 🧐

The new "practical" gold standard?

Tom Coughlin's avatar
Tom Coughlin
Jan 19, 2026
∙ Paid

Associations Between Skeletal Muscle Mass, Fat-Free Mass, and Saliva Osmolality: A Cross-Sectional Study

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Study Details

This new study investigated the relationship between…

💪 Skeletal muscle mass (SMM)

🦴 Fat-free mass (FFM)

…and hydration status mea…

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