Berserker Stim™ Pre-Workout
Berserker Stim™ Pre-Workout
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The serving is 40.4 grams because full doses take up space.
Tiny scoops and big claims don't fit in the same tub. A full 2-scoop serving of Berserker Stim carries about 475mg of caffeine from two sources, 10g of citrulline and arginine for pumps, plus beta-alanine, taurine, tyrosine, and electrolytes. Every dose is on the label.
For experienced stim users chasing maximum output. If 475mg sounds like a lot, it is. Start with Berserker Focus instead.
1 scoop first to assess tolerance. Never more than 2 scoops in 24 hours. Not for anyone under 18, pregnant or nursing, or sensitive to stimulants.
Flavors: Strawberry Lemonade, Sour Black Cherry.
Not sure this is the one? See the pre-workout selector.
Full label. Clinical doses. Made in the USA, ships daily, free shipping over $75.
Questions about anything on the label? Email us. The founder answers.

This literally has everything you want in a pre. Good energy killer pumps and has some focus too. The label sold me but the way I feel on it is def making me come back. Love the strawberry
it was everything i thought it would be and then some - for one the taste was one of the best i have ever had -like a dunkin refresher - it performed amazing with the energy and pump but overall it was CLEAN feeling
I would like to give an honest review of how great the customer service is with this company. I bought Berserker and maybe it just my body being used to pre workouts for years, but I didnt feel it too much.
The CEO personally texted me and asked what I thought about it. I was honest.
He was nice enough to send me a stronger pre workout- Shadow Realm Completely FREE ! He wanted to make sure I was a satisfied customer.
I got to say, this means alot to me.
Tried the new product and I really could feel it and was happy with it.
This is the type of stuff that will keep me loyal to a brand.
I work in a business where customer service is important so this Truly means a lot to me.
Thanks a lot Hollow Labs !! 5 out 5 starts GREAT customer
It's a pre indefinitely would buy again. Once I've tried all the pre in the world! Love the consistency. Flavor isn't overwhelming. Works. Good stuff...