Performance Nutrition Digest

Performance Nutrition Digest

Urine testing timing may influence reliability 🚨

Is it an accurate measure of hydration status?

Tom Coughlin's avatar
Tom Coughlin
Oct 03, 2025
∙ Paid

Time of urine sampling may influence the association between urine specific gravity and body composition

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Study Details

Previous evidence has found individuals with high fat-free mass to have elevated urine specific gravity (USG) scores 💪

Potential…

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