

⚡ Fuel your grind with Karbolyn — fast, clean, unstoppable energy!
EFX Sports Karbolyn Fuel is a fast-absorbing carbohydrate powder derived from potato, rice, and corn, designed for elite athletes seeking rapid muscle fuel and sustained energy without crashes. Clinically studied and triple quality-tested, it’s sugar-free, gluten-free, stimulant-free, vegan-friendly, and Informed Sport certified, making it a pure, reliable choice for pre, intra, or post-workout carb loading and recovery.





| ASIN | B009K6WBYI |
| ASIN | B009K6WBYI |
| Additives | Gluten Free |
| Age Range Description | Adult |
| Best Sellers Rank | #48,293 in Health ( See Top 100 in Health ) #350 in Endurance & Energy Consumables |
| Brand | EFX Sports |
| Customer Reviews | 4.6 4.6 out of 5 stars (873) |
| Customer reviews | 4.6 4.6 out of 5 stars (873) |
| Date First Available | 11 June 2019 |
| Format | Powder |
| Is Discontinued By Manufacturer | No |
| Item model number | 737190002063 |
| Manufacturer | All American Pharmaceutical |
| Product Dimensions | 12.37 x 12.37 x 19.35 cm; 4.54 g |
| Serving Recommendation | One Scoop |
| Weight | 2.49 Pounds |
S**D
ممتاز
K**K
味がついてないから何にでも混ぜやすい
M**R
No llega a mexico, la regresaron en la aduana
サ**人
味はイマイチ
T**E
The EFX Sports Karbolyn Fuel (Blue Raspberry) has been a game-changer for my long-distance runs! It provides a steady, reliable source of energy without the crashes I’ve experienced with other carb-based supplements. I feel sustained endurance throughout my runs, and it helps keep my energy levels up without any stomach discomfort. The Blue Raspberry flavor is refreshing and easy to drink, not overly sweet or artificial-tasting. It mixes well with water and doesn’t leave any chalky residue. I’ve noticed a big difference in my performance and recovery since using Karbolyn, and it’s now a staple in my training routine. If you need a fast-absorbing, long-lasting energy source for endurance activities, EFX Sports Karbolyn Fuel is an excellent choice. Highly recommend!
D**.
Need to add the calories and carb up for those gains? This is the trick. Highly recommended.
Trustpilot
2 months ago
1 month ago