EFX Sports, Karbolyn® Fuel, Neutral, 4 lb 4.8 oz (1,950 g)
Available in stock Last updated June 13, 2026
Ingredients
Ingredients
Suggested Use
Suggested Use
Warning
Warning
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Product Details
- Rapid-Fire Carbohydrates with Long-Lasting Fuel
- Glycogen Supercharger
- Zero Sugar, Zero Gluten, Zero Stimulants
- Backed by Science, Built by Dr. Jeff Golini
- GMO-Free, Certified Clean, Tested Tough
- Fuel Anytime, Anywhere
- Unleash Endurance, Pumps, and Power
- Made In-House, Perfected for Champions
FOOD-BASED, FAST-ACTING FUEL
Karbolyn is a clinically studied (with peer-reviewed, published research) carbohydrate supplement powder sourced from GMO-free potato, rice, and corn. It’s designed for elite athletes looking for a fast, safe, and high-performance way to quickly and easily load muscles with lasting energy and for faster recovery. “Carb load” with Karbolyn in minutes, not hours, before your event or training session!
POWER, PUMPS, & PEAK PERFORMANCE
Do you want to Outlast, Outmuscle, and Outperform anything in your way? Then stop messing around with overhyped copycat products that would never make it past our lab. Use Karbolyn to maximize and maintain high-intensity training levels, power output, for greater muscle hardness and fullness… and pumps like you’ve never experienced before!
- Gluten-free
Typically, US domestic orders are delivered within 5 to 8 business days from the day order is shipped unless the product is back ordered (Out of Stock).
Please note that we do not ship on Saturdays and Sundays. International customers please Click Here to find more about the international shipping policy.
The total delivery time for your order is the period of time from when you place your order until the time you receive it. It is comprised of two parts- the processing time and the shipping time.
A. Processing time- The time from when you submit your order to when the item leaves the warehouse. In most cases, this is 3 to 5 business days. Please keep in mind that these are estimates based on previous shipping times and may sometimes take a little longer based on stock availability and demand.
B. Standard Shipping- Standard Shipping typically takes 5 to 8 business days to arrive, within the continental 48 U.S. only, excluding Hawaii, Alaska, Virgin Islands & Puerto Rico.
C. Expedited Shipping- Currently we are not providing Expedited Shipping service(s).
D. Shipping Note- Extra shipping charges might apply for glass items, liquids, probiotics (ships along with ice packs) or heavy weight packages due to the dimensions of the shipping box. Please contact us for any concerns and inquiries.
We - MAPLE HERBS WORLDWIDE INC. are not the manufacturer of the products sold on our website - www.mapleherbs.shop, unless explicitly mentioned.
While we work to ensure that the product information and related details on this website are correct, manufacturers may alter their product labels or product information without any prior notice, which may result in the actual product packaging to look different than shown on our website.
Statements and product benefits mentioned on our website have not been evaluated by the Food and Drug Administration (FDA). For medicinal products, content on our website is not intended to be used to diagnose, treat, cure, or prevent any disease or health condition or to substitute advice given by medical practitioners, pharmacists or other licensed health care professionals. You should contact your health care provider immediately if you suspect any medical problem.
Please read the labels, warnings and instructions provided on packaging before consuming and do not rely solely on the information presented on our website.
Vitals
| Manufacturer | EFX Sports |
|---|---|
| UPC | 737190002032 |
| Package Quantity | 4.8 oz |
| Form | Powder |
| Flavor | Neutral |
| Supplement Health Focus | Energy and metabolism |
| Dietary Preferences | Gluten-free |
| Certifications | Gluten-free |
| Product Category | Vitamins & Supplements |
| Product Type | Energy Supplements |
| Age Group | Adults |
| Country of Origin | USA |
| Shipping Weight | 4.89 lb |