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When and how to replace sodium, potassium, and magnesium during training.
Electrolyte Replacement Protocols > TL;DR > - Sodium is the priority; 500-1000 mg/hr in heat or long efforts > - Sports drinks, salt tabs, or salty foods; match intake to sweat loss > - Potassium, magnesium matter for cramping; food sources often sufficient > - Don't overdo it—balance with water; practice in training --- What Are Electrolytes? Electrolytes are minerals that carry electrical charge: - Sodium (Na+) - Most important for athletes - Potassium (K+) -...
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Luke Rodriguez, MS, RDN
Head Cross Country Coach · Registered Dietitian
Evidence-based sports nutrition for high school cross country and track & field athletes.
Practical, field-tested guidance built for real teams, real schedules, and real teenagers.
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Login to AccessWhen and how to replace sodium, potassium, and magnesium during training.
Electrolyte Replacement Protocols > TL;DR > - Sodium is the priority; 500-1000 mg/hr in heat or long efforts > - Sports drinks, salt tabs, or salty foods; match intake to sweat loss > - Potassium, magnesium matter for cramping; food sources often sufficient > - Don't overdo it—balance with water; practice in training --- What Are Electrolytes? Electrolytes are minerals that carry electrical charge: - Sodium (Na+) - Most important for athletes - Potassium (K+) -...
Unlock this tool
Who it's for: Parents and coaches who want complete implementation resources
Not ready to upgrade? Grab a free starter resource first.
One-time purchase
Luke Rodriguez, MS, RDN
Head Cross Country Coach · Registered Dietitian
Evidence-based sports nutrition for high school cross country and track & field athletes.
Practical, field-tested guidance built for real teams, real schedules, and real teenagers.
Get this guide + all other guides with a membership:
View plans & pricingAlready a member?
Login to Access