| Brand | Hollow Labs |
| Main Purpose | Gym & Training |
| Type | Preworkout |
| Formulation | Powder |
| Ingredients | Sourcherry |
| Flavor | Strawberry |
| Country Of Origin | United States |
Hollow Labs Berserker Stim. Sensitive to stimulants?. Start with 1 scoop to assess tolerance. Explosive Energy – hits fast, then tapers smoothly for the entire workout. How to Use. Hydrated Power – electrolyte blend fights fatigue and maintains contractile strength.