Micronutrients & recovery
Regional sweat rate and sodium concentration measured via wearable microfluidic patches can be used to predict whole-body fluid and electrolyte loss during exercise with high accuracy for individuals.
To optimize hydration, you cannot rely on a 'one size fits all' sweat rate. Use a wearable sweat sensor to measure your specific sweat sodium and rate at key locations (like the forehead or forearm). Use this personal data to predict your total fluid and electrolyte loss during exercise, allowing you to replace exactly what you lose rather than guessing.
These experimental results indicate that local sweat parameters can be continuously monitored in situ to notify individuals of their hydration status and electrolyte balance.
Why this rating
Small sample size (n=3 subjects) limits generalizability, though the correlation within subjects was strong.
Source
Regional and correlative sweat analysis using high-throughput microfluidic sensing patches toward decoding sweat
Hnin Yin Yin Nyein et al. · Science Advances · 2019
DOI 10.1126/sciadv.aaw9906
More from this paper
- Fasting sweat glucose levels do not robustly predict fasting blood glucose levels across a population of healthy and diabetic subjects, limiting the use of sweat glucose for universal diabetes diagnostics.Good
- Sodium (Na+) and Potassium (K+) levels in iontophoretic sweat are positively correlated within individuals, but across a population, individuals with higher sodium levels tend to have lower potassium levels.Moderate
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