SLT05 Caffeine + Quad-Blend Electrolytes

This electrolyte powder is scientifically crafted to boost athletic performance without the unnecessary additives, preservatives, or artificial flavours found in other products. Its clean, natural formula delivers great taste and effective hydration without the bloating, ensuring you stay at peak performance. Gentle on the stomach and fast-absorbing, it’s the perfect choice for athletes pushing their endurance limits, providing sustained hydration and essential electrolytes to keep you going strong.

Founded by passionate cyclist Christian Sanderson, STYRKR is a cutting-edge sports fuel company dedicated to helping everyday athletes push their endurance limits. With a relentless focus on innovation, STYRKR meticulously develops and tests its products under the most demanding conditions, ensuring optimal performance without unnecessary additives. Christian's drive to create the perfect endurance supplements has led to scientifically backed formulas that boost energy, reduce fatigue, and enhance athletic performance. Manufactured in the UK, STYRKR supports athletes across all disciplines, from cycling to triathlons, while building a community of individuals who love challenging their limits and breaking new ground.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Maltodextrin, Sodium Chloride, Natural Raspberry Flavouring, Potassium Chloride, Stevia, Calcium Malate, Trimagnesium Citrate, and Caffeine.

Shipping

At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.

UK standard delivery

Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.

Next working day

For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.

International

International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.

Returns

If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.

Mix the powder sachet with 200 ml of water.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.