Excelsior Pre Workout vs Doomsday Pre Workout Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Imperial Nutrition Excelsior is a legendary, high-intensity pre-workout known for its extreme focus and strength gains, whereas Kj Labs Doomsday is a potent, caffeine-heavy formula featuring DMHA and DMBA for a powerful stimulant experience.
Go with Imperial Nutrition Excelsior if...
- •You are looking for a legendary, high-intensity focus experience
- •You prioritize extreme strength and performance gains
- •You prefer a product with a massive, established community following
Go with Kj Labs Doomsday if...
- •You prefer a pre-workout with a clearly defined caffeine content
- •You are specifically seeking formulas containing DMHA and DMBA
- •You want a highly-rated stimulant experience from a niche brand
Get 15% off your order

Excelsior Pre Workout
imperial nutrition

Doomsday Pre Workout
kj labs
Where to Buy Excelsior Pre Workout
Ruesco
Cross The Limits
Where to Buy Doomsday Pre Workout
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Excelsior Pre Workout
Ruesco
Cross The Limits
Where to Buy Doomsday Pre Workout
NutriCartel
Get 15% off your order
Ruesco
Ingredient Label
Ingredient Label
Pros
- Five users experience strong euphoria and elevated mood: “tunnel vision music experience and motivation”.
- Two users find the energy smooth and long-lasting: “nothing can beat its smoothness and longevity”.
Cons
- Many users (24) complain that newer batches are weaker, inconsistent, or not like the original formula: “it’s reformulated and trash now”.
- Four users report that it feels weak or does not provide enough energy: “Excelsior always felt a bit weak compared to others”.
Pros
- Five users consider it a hard hitter: “Doomsday regular for me is a hitter”.
Cons
- Two users feel newer batches or US versions are weaker and disappointing.
Comparison Summary
Imperial Nutrition Excelsior is a cult-classic pre-workout focused on intense focus and performance, while Kj Labs Doomsday is a high-caffeine formula utilizing specific exotic stimulants like DMHA and DMBA. Imperial Nutrition Excelsior targets long-time enthusiasts seeking legendary status, whereas Kj Labs Doomsday is designed for stimulant-seeking users who prefer transparent caffeine levels.
Key Differences:
- Caffeine Content: Imperial Nutrition Excelsior (Not specified) vs Kj Labs Doomsday (400 mg)
- Popularity: Imperial Nutrition Excelsior (188 mentions) vs Kj Labs Doomsday (39 mentions)
Key Similarities:
- Product Category: Both are classified as extreme pre-workout supplements.
- Exotic Stimulants: Both products include exotic stimulants in their formulations.
- User Sentiment: Both products have fair to high user sentiment.