EFX Karbolyn 4.4 lbs is a high-performance carbohydrate supplement formulated for athletes, bodybuilders, and endurance trainers who demand rapid glycogen replenishment and sustained energy. Designed to fuel intense workouts and accelerate recovery, Karbolyn provides clean, fast-digesting carbs without the crash, making it the go-to choice for pre-, intra-, and post-workout nutrition.
Delivers fast-acting, sustained energy for training and competition
Rapidly replenishes glycogen stores to support endurance and recovery
Mixes easily with no clumping, bloating, or stomach discomfort
Ideal for pre-, intra-, or post-workout fueling
Sugar-free and stimulant-free formula for clean energy support
Serving Size: 1 Scoop (50 g)
Servings Per Container: 39
Amount Per Serving:
Karbolyn® (homopolysaccharide, polysaccharide, and monosaccharide complex) – 50 g
Other Ingredients: None.
Karbolyn® (50 g): A patented carbohydrate formula composed of mono-, poly-, and homopolysaccharides that digests quickly like a simple carb but provides sustained energy like a complex carb. It supports rapid glycogen replenishment without causing energy crashes or stomach distress.
Mix 1 scoop (50 g) with 12–16 oz of water and consume 30 minutes before exercise for pre-workout energy. Can also be taken during training to maintain endurance or post-workout to support glycogen replenishment and recovery.
Endurance athletes seeking long-lasting fuel
Bodybuilders looking to maximize glycogen storage and recovery
Strength athletes in need of sustained energy for intense training
Anyone looking for a stimulant-free energy source
Q: Can Karbolyn be stacked with other supplements?
A: Yes, Karbolyn stacks well with amino acids, protein powders, pre-workouts, and creatine for a complete performance stack.
Q: Does Karbolyn contain sugar?
A: No, Karbolyn is sugar-free and designed to provide clean energy without spikes or crashes.
Q: When should I take Karbolyn?
A: It can be taken pre-, intra-, or post-workout depending on your goals—energy, endurance, or recovery.