Product Highlights
- 325 mg of caffeine
- 13 flavor options
- 15- and 30-serving tubs
- No creatine
Manufacturer: Categories: Pre-Workout, Supplements
In-Depth Review

Nitraflex Pre-Workout Review (2026): Excellent Pump and Minimal Tingles
Author: Lauren Strong, CPTThis GAT Sport pre-workout might offer the best pump yet. Find out in our Nitraflex pre-workout review.
Read the full review.Pros & Cons
Pros
- Subscribe and save options
- Affordable price tag
- Forumatled with cognitive enhancers
Cons
- Caffeine content not suitable for everyone
- Contains sucralose
Specs
| Flavors | Blue Raspberry, Grape, Green Apple, Fruit Punch, Black Cherry, Watermelon, Patriot Blast, Lemon Tea, Beach Blast, Blood Orange, Blackberry Lemonade, Strawberry Mango, Guava Dragonfruit |
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| Serving size | 1 scoop (10 g) |
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Product Summary
Nitraflex Pre-Workout offers an affordable and powerful pre workout formula. It features 325 mg of caffeine per serving, which is over 3x more caffeine than the average cup of coffee. The website notes not to combine with other caffeine products or take more than one scoop per 24-hour period.