Berserker Stim™ Pre-Workout
Berserker Stim™ Pre-Workout
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The serving is 40 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, Jordy Ice (Blue Raspberry).
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.

The perfect mixture of Pre-Workout and Pump! Makes me sweat, no itchy skin and I am wired for hours. The combination of strength, endurance and focus. The best part is there is absolutely NO CRASH when you're finished. Highly recommend you try this product.
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...