Nutrition

Concentrated, full-spectrum electrolyte replenishment - Full-spectrum, balanced formula - 3x the sodium and potassium per capsule as original Endurolytes BENEFITS: Designed for harsh conditions, high heat, the unacclimated, and those with elevated salt needs, this formula offers three times the sodium chloride (salt) and potassium content of standard Electrolytes. Despite the salt increase, the Extreme formula maintains a complete blend of electrolytes. - Kosher Certification - Endurolytes Extreme is certified by Informed Choice and Informed Sport.

Sodium depletion through sweat is the main cause of muscle cramping for endurance athletes. By adding Clif Shot Bloks to your activities, you get electrolytes and carbohydrates in an easy-to-eat solution. The soft, chewable Bloks can be eaten prior to activity to increase blood sugar levels and during to maintain energy. At 33-calories these great-tasting cubes make it easy to customize and track your caloric and electrolyte intake. And, they're easy to eat on the fly thanks to Clif's handy Fastpak.