Karbolyn Hydrate fuels tough workouts with quick absorbing carbohydrates and supports rapid glycogen refilling and ongoing energy. The star ingredient, Karbolyn, is a high molecular weight carbohydrate designed for rapid gastric emptying, and steady energy [which helps you push through]. Added electrolytes help with hydration, muscle function, and nerve transmission during intense sessions. EFX's commitment to quality means this product is manufactured in the United States and tested for purity, so you can trust the label every time.

Available Sizes & Variants:

1856 grams powder – large tub for regular training.

Benefits & Features:

• Fast energy reaches muscles quickly during intense training.
• Karbolyn is a high molecular weight carbohydrate that provides steady energy without spikes.
• Electrolytes help with hydration, muscle function, and nerve transmission during workouts.
• Convenient pre during or post workout fueling keeps energy stable.
• The brand operates in the United States with Informed Sport testing, confirming purity and safety for athletes who demand reliable performance and consistent label claims you can trust.

Karbolyn Hydrate sits at the heart of a science forward approach that reflects EFX Sports' heritage in sport nutrition. The star Karbolyn carbohydrate is derived from potato, rice and corn, designed to hit the bloodstream quickly for rapid energy and steady glycogen support. Each serving delivers 25 grams of Karbolyn and 27 grams total carbohydrate, with electrolytes to help hydration and muscle function. The formula is sugar free, gluten free, stimulant free and vegan friendly, manufactured in the United States under Informed Sport testing. It pairs well with protein powder or creatine in post workout shakes.

Calories, Total Carbohydrate, Phosphorus (as Potassium Phosphate, Magnesium Phosphate, Sodium Phosphate), Magnesium (as Magnesium Phosphate), Sodium (As Sodium Phosphate), Potassium (as potassium phosphate), Karbolyn (homopolysaccharide derived from potato, rice and corn)

• GTIN: 737190006290
• Manufacturer: EFX Sports
• Size: White Cherry Frost
• Categories: Best SellersEFX SportsSports SupplementsSubscribe & Save Products
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Mix the recommended serving of Karbolyn Hydrate with water or your preferred beverage before, during, or after exercise to optimise glycogen stores and hydration. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Consult a healthcare professional before use if you are pregnant, nursing, or have any medical conditions.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Primary Benefit Is: Sustained Energy for High-Intensity Exercise

The primary benefit focuses on providing a carbohydrate source that supports lasting energy during demanding workouts, and Karbolyn-type carbohydrates are designed for rapid gastric emptying and steady energy release, which offers a convenient option for pre-activity fueling. This approach also includes electrolytes to aid fluid balance during exercise.

The carbohydrate matrix and electrolytes are derived from plant-based resources and mineral salts, contributing to hydration and muscular endurance through normal physiological processes.

What Does Sustained Energy for High-Intensity Exercise Do? -> What Does Sustained Energy for High-Intensity Exercise Do For You?

This energy support helps maintain performance by replenishing glycogen stores and sustaining energy availability during prolonged effort, aligning with normal energy metabolism and hydration functions.

Electrolytes contribute to fluid balance and nerve transmission, supporting muscle function as described in general nutritional guidance for active individuals.

This supplement is not intended to diagnose, treat, cure, or prevent any disease.

EFX Sports is Welzo’s trusted pick for Karbolyn Hydrate because the brand shows solid manufacturing and a clear pledge to delivering on label claims. Based in the United States, EFX Sports actively supports athlete safety through rigorous third‑party validation, including Informed‑Sport certification which signals compliance with substances banned in sport. This level of credibility is reinforced by their claim that they manufacture their own products, enabling tight quality control and consistency across batches. Welzo’s team recognised this brand's track record in supporting elite athletic performance while keeping a transparent, evidence‑based approach to testing and verification. Our evaluation process highlighted EFX Sports as a standout due to established third‑party testing and a reputation for reliability in high‑performance nutrition. This product alignment with our quality standards and the brand’s emphasis on purity makes EFX Sports a natural fit for Karbolyn Hydrate. This brand was evaluated by Welzo's healthcare professionals for compliance with our quality assurance criteria.