EFX Sports Karbolyn is a carbohydrate powder that offers quick glycogen loading and lasting energy for workouts because of its unique potato, rice and corn carbohydrate blend [which athletes rely on]. It’s sugar free, gluten free, stimulant free, vegan friendly and non-GMO, so it fits a wide range of diets quickly and easily. Manufacturers also highlight in house production and quality controls that keep it trustworthy, you know.

Available Sizes & Variants:

1950 grams powder - generous tub for extended training blocks

Benefits & Features:

• Fast energy from 50 g of Karbolyn carbohydrate per serving helps power workouts.
• Zero sugar and zero fat mean clean calories that fit any plan.
• Vegan friendly, gluten free and non GMO, making it a solid choice among sports nutrition supplements.
• Single ingredient carb source keeps things simple.
• This formulation supports pre workout fueling and sustained energy during long sessions by delivering a steady stream of carbohydrates, helping you push through tougher sets without a sudden crash.

EFX Sports Karbolyn fits neatly into any sports nutrition supplements routine. The powder uses Karbolyn, a potato, rice and corn derived carbohydrate, and is marketed as certified organic and advertised as 100% all natural with no sugar, fat or protein. It’s a single ingredient carb source, making it simple and clean fuel. Production is kept in house by EFX, and the brand holds Informed Sport certification for banned-substance testing, giving athletes confidence in tough environments. Some athletes even blend it into protein shakes with whey protein powder for a balanced workout fuel.

Calories, Total Carbohydrate, Karbolyn (homopolysaccharide derived from potato, rice and corn)

• GTIN: 737190002599
• Manufacturer: EFX Sports
• Size: Kiwi Strawberry
• Categories: EFX SportsMuscle Pump Supplements & Pre WorkoutSports Supplements
• 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 1 serving (53g) of EFX Sports Karbolyn with approximately 450ml of water and consume about 30 minutes before training. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. Not suitable for children, pregnant or breastfeeding women. Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a varied and balanced diet.

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 Active Ingredient Is: Carbohydrate (Karbolyn Complex)

Carbohydrates are a energy source that fuels daily tasks and performance during workouts. This form is a carbohydrate complex coming from potato, rice, and corn, marketed as a sugarless and vegan friendly option.

This ingredient is supplied as a single carbohydrate source and is described as a quick-absorbent, plant derived complex designed for energy release during workouts.

What Does Carbohydrate Do?

Carbohydrates take part in energy production and help support glycogen stores used during exercise, contributing to normal energy-yielding metabolism.

This formulation aims to provide quick energy with steady delivery, supporting daily activity and training demands while aligning with general carbohydrate function as recognised in standard dietary guidance.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Welzo teams up with brands that show solid quality, transparent provenance and a real commitment to purity. EFX Sports pops out for our pick criteria because of its in-house manufacturing, offering direct grip over formulation and quality. The brand’s operating approach backs consistent label claims and steady product integrity, supplemented by Informed-Sport certification, which guarantees banned-substance testing for competitors. This mix places EFX Sports inside a trusted group of performance-led brands.

EFX Sports also emphasises a transparent, single-ingredient approach with Karbolyn derived from plant-based origins, aligning with our emphasis on purity and traceable sourcing. Their dedication to product integrity is reflected in their clear manufacturing philosophy and ongoing commitment to safety for athletes and active individuals. Our team evaluates brands like EFX Sports with input from our expert team of doctors, nurses, and nutritionists and verifies ingredient quality through how we verify ingredient quality, ensuring strong compliance and family friendly delivery.

Overall, EFX Sports meets our standards for credibility, quality testing, and product fit, making them a natural partner for Karbolyn within Welzo’s trusted portfolio.