SIS Beta Fuel Energy Drink

SIS Beta Fuel – High-Performance Energy Drink

The SIS Beta Fuel is the most advanced energy drink from Science in Sport (SIS), designed specifically for endurance athletes who require maximum energy delivery and optimised carbohydrate absorption without causing gastrointestinal discomfort.

SCIENTIFICALLY EFFECTIVE FORMULATION

The unique 1:0.8 maltodextrin-to-fructose ratio allows the body to absorb up to 120 g of carbohydrates per hour, compared with the 60–90 g achieved by standard drinks. This optimal ratio ensures:

Faster energy absorption and utilisation

Reduced stomach discomfort during racing or training

Stable blood glucose, preventing sudden energy drops

PERFORMANCE BENEFITS

The SIS Beta Fuel supports athletic performance at every stage of an endurance event, including running, cycling, triathlon or marathon running.

Benefits:

Provides long-lasting energy without a “crash”

Supports concentration and mental clarity

Supports muscle function with balanced electrolytes

Hydrates effectively thanks to its isotonic profile

INGREDIENTS

Maltodextrin (from maize)

Fructose

Sodium and potassium citrate for electrolyte balance

Natural flavourings

No artificial colours or preservatives

Available in various flavours (e.g. orange, lemon, berries), offering a pleasant taste without excessive sweetness.

DIRECTIONS FOR USE

Mix 1 sachet (82 g) with 500 ml of water.
Consume 1–2 bottles per hour of intense activity, depending on energy requirements.

SUITABLE FOR

Marathon runners and endurance cyclists

Triathlon and ultra-race athletes

Those seeking a higher level of energy and endurance without discomfort