As an affiliate, we earn from qualifying purchases. Price may vary.
EFX Sports Strawberry Karbolyn is a pre-workout formula with around 200mg of caffeine to boost energy, focus and training performance and endurance. 166 servings per pack · Available in strawberry.
Track how the price has changed over the last 90 days on Amazon.ca.
The brand behind this product — their story and what they stand for.
EFX Sports is a supplement brand offering creatine and strength supplements to the Canadian market.
Understand which fitness goals this product is best suited for.
A quick look at pricing, tier, and how it stacks up against the category average.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1 serving with 200–250ml of cold water.
Consume 20–30 minutes before your training session.
Start with half a scoop to assess your caffeine tolerance.
Avoid taking pre-workout within 5–6 hours of bedtime to prevent sleep disruption.
See how this product compares to similar options in its category.
| This Product | FOODSQUIRREL | WAKE UPS | Mutant | |
|---|---|---|---|---|
| Price | $73.99 | $7.98 | $12.48 | $15.00 |
| Per Serving | $0.45/serving | $1.14/serving | - | - |
| Servings | 166 | 7 | — | — |
| Lab Tested | ✗ | ✗ | ✗ | ✗ |
| Rating | 4.7 ★ | 4.6 ★ | 4.6 ★ | 4.5 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
As of our last check, this product does not have publicly listed third-party lab testing. Look for brands that offer Trustified, NABL, or Labdoor certifications for verified purity.
This product is available in Strawberry. Flavour preferences are personal — chocolate and unflavoured tend to be the most versatile options.
The total pack weight is 1.996kg. With 166 servings, this should last approximately 166 days if you take 1 serving daily.
You can, but it's advisable to cycle off every 6–8 weeks to prevent caffeine tolerance buildup. On rest days, you may not need it. Start with half a scoop to assess your tolerance, especially if you're sensitive to caffeine.
FOODSQUIRREL
Organic Beetroot Powder 3oz – Pure Beet Root Powder Rich In Dietary Nitrates for Your Pre-Workout Smoothie, Juices & Baking – Vegan, Gluten-Free, Non-GMO Superfood
WAKE UPS
Wake-Ups Extra Strength 200mg Caffeine Pills. Fast-Acting Energy Pills for Alertness & Endurance. No sugar, gluten or calories. 50 count
Mutant
MUTANT Caffeine, Maximum Strength, 200mg, 240 Tablets
WAKE UPS
Canadian-Made Wake-Ups Sport Caffeine Pills 200mg. Tested for WADA Banned Substances. Fast-Acting Energy & Endurance Supplement. 120 Count
