Pump Serum
Very Good
Overview
Pump Serum by Huge Supplements is a dedicated pump pre-workout that focuses entirely on vasodilation and cell volumization. With 8g citrulline, 3g HydroPrime glycerol, and 3g betaine, it provides clinical doses of the most important pump ingredients. No caffeine, no stimulants — just pure pump.
Key Ingredients
Full clinical dose for maximum nitric oxide production.
Stable glycerol powder for enhanced muscle fullness and hydration.
Above clinical dose for power output and osmolyte activity.
Supports ATP production and may reduce fatigue.
Pros & Cons
✅ Pros
Full 8g citrulline dose
Above-clinical betaine at 3g
Zero stimulants
Good for stacking
Focused, no-filler formula
❌ Cons
No focus/nootropic ingredients
Must import to UK
Taste is average
Misses Nitrosigine or other NO boosters
Our Verdict
Pump Serum is a pure pump product that does one thing and does it well. The citrulline and betaine doses are excellent, and the zero-stim formula means you can stack it with anything. It lacks the nootropic extras of Ghost Pump V2 or TL PUMP, but delivers on raw pump performance.
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