Endurolytes Extreme High Sodium Electrolyte Capsules
Endurolytes Extreme is a high-strength electrolyte capsule built for hot conditions, heavy sweating and higher electrolyte demands. It delivers 3x more sodium and potassium than original Endurolytes while maintaining a balanced 4:1 sodium-to-potassium ratio.
Ideal for athletes training or racing in heat and humidity, those with high sweat rates, and cramp-prone athletes who need stronger electrolyte support with fewer capsules. The full-spectrum formula includes sodium, chloride, potassium, calcium, magnesium, manganese and ginger root for digestive support.
KEY BENEFITS
- High sodium electrolyte support for harsh conditions
- 3x more sodium + potassium than original Endurolytes
- Full-spectrum mineral formula, not just salt
- Fewer capsules needed in extreme conditions
- Includes ginger root to support digestion
Best for
Endurolytes Extreme is best suited to:
- hot or humid training and racing
- high sweat rates
- cramp-prone athletes
- early-season training
- athletes needing stronger electrolyte support with fewer capsules
HOW TO TAKE
Take 1–2 capsules per hour, adjusting to conditions, intensity and sweat rate.
Swallow capsules whole. Do not open them. The ginger root may cause a burning sensation if the powder comes into contact with the mouth or throat.
Composition breakdown
Each capsule provides:
- 300 mg sodium chloride
- 75 mg potassium
- calcium
- magnesium
- manganese
- ginger root
Endurolytes Extreme uses a full-spectrum mineral blend to support hydration, muscle function and endurance performance.
Dietary considerations
- Diabetic friendly
- Gluten free
- Vegan friendly
- Kosher certified
FAQs
What’s the difference between Endurolytes and Endurolytes Extreme?
Original Endurolytes provides balanced electrolyte support for typical conditions and most athletes. Endurolytes Extreme provides 3x more sodium and potassium, making it better suited to heat, humidity, high sweat rates and higher electrolyte demands.
INFORMED SPORT

SHIPPING AND RETURNS
Where your order comes from
Orders from our UK store are shipped from our UK warehouse. Orders placed before 2pm on weekdays are shipped the same day. Delivery times: Royal Mail 2 -5 days max. DPD Next day service.(Service & product dependent)
Shipping costs
We are a small business, so we are not able to offer free shipping on all orders. Free shipping is available on orders over £40.00.
Shipping fees:
- Mainland GB: £4.50
- Non-Mainland GB: £6.75
Import duties
Orders from our UK store are shipped from the UK. If you are based in Great Britain, import or customs duties do not apply.
Returns
We offer a no-quibble 14-day money back guarantee on unopened and unused products. If you are unhappy with your order, you can return qualifying products for a replacement or refund.
How to request a return
Email us at info@hammernutrition.co.uk
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