A 25-year-old Mumbai marathon runner needs quick energy during long runs without GI issues.
Uses Karbolyn Fuel pre-run, reports steady energy and faster recovery, saving ₹200/month compared to local carb gels.
You save 6,070 (35%)
Estimated doorstep delivery by 20 Nov - 22 Nov from USA






Elite Athlete Performance at Competitive Price
EFX Sports Karbolyn Fuel is a high-quality carbohydrate supplement sourced from potato, rice, and corn, available in India through CrowCrowCrow. It provides fast absorption and sustained energy, ideal for athletes seeking quick recovery and peak performance.
Karbolyn enters the bloodstream rapidly like a simple sugar, yet offers long-lasting energy without the crash or bloating common with other carbs. Its formulation is vegan, gluten-free, stimulant-free, and manufactured in-house, ensuring purity and label accuracy.
Designed for gym-goers, bodybuilders, and athletes, this powder supports high-intensity training and muscle fullness. Delivered via ExpressBox in 11-13 days, all duties included, in factory-sealed packaging for safety and quality assurance.
Formulated for Rapid Energy & Recovery
Karbolyn's molecular structure ensures fast absorption like simple sugars but sustains energy longer. Clinical studies support its efficacy, making it a trusted choice for athletes in India seeking quick muscle replenishment and endurance.
Ideal for Athletes & Fitness Enthusiasts
Suitable for gym-goers, bodybuilders, and endurance athletes, it supports high-intensity workouts and quick recovery. Skip if you prefer complex carbs or have corn/rice allergies; try natural fruit sources instead.
Typical situations where EFX Sports Karbolyn Fuel | Fast-Absorbing Carbohydrate Powder | Carb Load helps — illustrative scenarios, not customer reviews.
A 25-year-old Mumbai marathon runner needs quick energy during long runs without GI issues.
Uses Karbolyn Fuel pre-run, reports steady energy and faster recovery, saving ₹200/month compared to local carb gels.
| Feature | EFX Sports Karbolyn | Others |
|---|---|---|
| Absorption Speed | Enters bloodstream rapidly, similar to simple sugars, tested in peer-reviewed studies | Varies; often slower, causing energy dips or bloating |
| Formulation Purity | Made in-house, certified banned-substance free, 3X quality tested | Quality varies; some contain fillers or banned substances |
| Diet Compatibility | Vegan, gluten-free, stimulant-free | May contain gluten, additives, or stimulants |
| SKU | nju2638 |
| GTIN | 00737190002087 |
| Brand | EFX Sports |
| Size | 2.2 Pound (1 kg) |
| Flavor | Fruit Punch |
| Item Form | Powder |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About EFX Sports
EFX Sports is a trusted US brand specializing in scientifically formulated sports nutrition products, tested and certified for purity.
Compliance & Legal
This is a dietary supplement; not intended to diagnose, treat, cure or prevent any disease.
Share your experience
Bought this from CrowCrowCrow? Other buyers want to hear how it went.

This item:
EFX Sports Karbolyn Fuel | Fast-Absorbing Carbohydrate Powder | Carb Load, Sustained Energy, Quick Recovery | Stimulant Free | 18 Servings (Fruit Punch)
11,360

This item
EFX Sports Karbolyn Fuel | Fast-Absorbing Carbohydrate Powder | Carb Load, Sustained Energy, Quick Recovery | Stimulant Free | 18 Servings (Fruit Punch)
11,360
Total price:
39,410
You save 16,850 (30%) Extra3 items selected
3 items
39,410You save 16,850 (30%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 11,360 17,430 | 8,810 12,760 | 19,240 26,070 | 19,220 30,300 | 19,220 28,850 | 3,090 4,310 | 2,220 2,600 |
| Brand Name | EFX Sports | Garden of Life | EFX Sports | EFX Sports | EFX Sports | Optimum Nutrition | OLLY |
| Item Form | Powder | N/A | N/A | N/A | N/A | N/A | N/A |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
Why shop with us
One price. One payment. No surprises.
High risk
Buying Direct
Crowcrowcrow
Safe Lane