Description
Introducing our most complete pre-workout to date. If you are looking for crazy focus, extreme stim and skin-splitting pumps DARKSIDE® ONSLAUGHT™ is for you.
This is the amalgamation of all our pre-workouts into an amazing cacophony of pre-workout awesomeness. This is not for first time pre-workout users; it is for experienced pre-workout users.
So welcome to your darkest side yet.....welcome to DARKSIDE® ONSLAUGHT™
- Maximum Endurance
- Insane Pumps
- Maximum Focus
Why Training Fuels
We do the heavy lifting so you don’t have to. At Training Fuels, we handpick the most effective, science-backed supplements from the world’s leading brands trusted by professional athletes, personal trainers and individuals globally. Just high-performance products that deliver real results. Every item we stock is tested, proven, and ready to help you push further.
FAQ's
Whether you're new to supplements or a seasoned lifter, we’re here to help. Below you'll find answers to the most common questions about our products, shipping, and support. Still need help? Just drop us a message, our team’s always ready to chat.
Get in touch
customerservice@trainingfuels.com
The average response time is 24 hours.
Our customer support operates from Monday to Friday, between 8:00 AM and 5:30 PM.