EFX Sports I Karbolyn Fuel, Complex Carbohydrate, Post Workout & Pre Workout Powder, Clinically Tested, Intense Energy Fruit Punch, 4.4-Pound
by EFX Sports · Vitamins Minerals Supplements
In Stock
413 verified reviews · We may earn a commission · Disclosure
Watch for drops · based on price history, ratings & popularity
- Popularity
- Popular
- Network
- amazon
- Prime
- Not eligible
- Region
- ca
Why it's a great deal
Quickly fuels you with glycogen for optimum performance, endurance & recovery. Carb load in 1-2 hours - not several hours before. Sustained-release mechanism energizes you during the duration of your training.
Have you ever experienced "hitting the wall" while training or participating in your favorite sport? Thanks to Karbolyn, that search is finally over.
Karbolyn is quickly absorbed into the bloodstream like a simple sugar but without the typical spike or crash caused when your muscles run out of fuel.
Fast-acting, long-lasting, high-performance fuel
Pre-workout: quickly 'carb-load' In minutes not hours
Post-workout: replenish muscle glycogen for faster recovery
Our Data-Driven Analysis
EFX Sports holds a 4.6/5 rating from 413 verified buyer reviews in our Vitamins Minerals Supplements category. This places it among the highest-rated products we track — buyer satisfaction is exceptionally strong.
Our proprietary Deal Score rates this a 3.9/10 based on price history, rating trends, review velocity, and category positioning. Fair value currently — consider waiting for a deeper discount if your timeline is flexible.
Compared to 8 similar products in Vitamins Minerals Supplements, pricing is above the category average (CA$39.28).
Analysis generated from 413 verified reviews · Price data updated hourly · Methodology: how we analyze
Customer Ratings
This product holds a 4.6/5 average from 413 verified customer ratings on Amazon. We surface the genuine retailer rating here so you can judge the deal at a glance — and we link straight to the source so you can read the real reviews yourself.
Read customer reviews on AmazonRatings are aggregated from Amazon and re-verified hourly. We may earn a commission if you buy through our link.
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EFX Sports
CA$85.43