Collection: Electrolytes for Running & Cycling

Shop electrolyte tablets, capsules and powders for running, cycling and endurance training. Compare Endurolytes Fizz, Endurolytes capsules and the higher-sodium Endurolytes Extreme range, with trial packs available for selected products.

Looking for carbohydrate fuel as well as electrolytes? Explore HEED Sports Drink alongside the electrolyte range.

Choose your format

• Endurolytes Fizz: electrolyte tablets to dissolve in water. Choose 13-tablet tubes or explore the four-flavour taster kit.
• Endurolytes capsules: available in 120-capsule bottles, with a separate trial pack.
• Endurolytes Extreme capsules: a higher-sodium option, available in 120-capsule bottles and a separate trial pack.
• Endurolytes Extreme powder: an alternative powder format.
• HEED Sports Drink: carbohydrate energy and electrolytes together, with 32-serving and 70-serving options.

Check individual product pages for ingredients, sodium content, directions and current availability.

UK delivery

Free delivery to mainland GB on orders of £20 or more, excluding the Highlands and Islands. Other listed regions qualify on orders over £80. See shipping terms for coverage and delivery estimates.

FAQs

• What are electrolytes?
• Why are electrolytes important for athletes?
• Is water alone enough during exercise?
• How much sodium do endurance athletes need?
• Do you really need 1,000mg of sodium per hour?
• Endurolytes vs Endurolytes Extreme — which is right for me?
• Why do chelated electrolytes matter?
• The solution is rarely more water alone. Can electrolytes help prevent cramps? →