Kj Labs Doomsday vs Crack Primal Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Kj Labs Doomsday is a high-caffeine (400mg) stimulant formula featuring DMHA and DMBA, while Crack Primal is a more popular extreme pre-workout known for mood elevation and smooth energy despite a lower caffeine content (238mg).
Go with Kj Labs Doomsday if...
- •You prefer a higher caffeine dosage of 400mg
- •You are specifically seeking the effects of DMHA and DMBA
- •You want a potent stimulant experience that 'hits' hard
Go with Crack Primal if...
- •You prioritize mood elevation and clear-headed focus
- •You prefer a product with higher community popularity
- •You want an extreme energy boost that is described as 'super smooth'

Kj Labs Doomsday
kj labs

Crack Primal
dark labs
Kj Labs Doomsday
Crack Primal
Where to Buy Kj Labs Doomsday
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Crack Primal
NutriCartel
Get 15% off your order
Ruesco
Cross The Limits
Where to Buy Kj Labs Doomsday
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Crack Primal
NutriCartel
Get 15% off your order
Ruesco
Cross The Limits
Ingredient Label
Ingredient Label
Pros
- Doomsday delivers a powerful and effective stimulant experience, with some users describing it as "fucking fire."
- It is recognized for its potent blend of stimulants, including DMHA and DMBA, appealing to those seeking strong effects.
- Users report good training sessions and a unique, specific feeling from the original formula.
- It is considered effective and "hits" well by experienced users.
Cons
- A drawback of Doomsday is that its formula has reportedly changed over time, leading to a perceived decrease in quality and effectiveness in newer versions.
- Some users have experienced a milder effect than anticipated, followed by post-workout crash and anxiety.
- Flavor is described as only "Ok," and the overall experience may not always live up to the bold claims or user expectations, with some effects like euphoria/focus being mild.
Pros
- Crack Primal delivers an extreme and powerful energy boost, often described as 'hitting hard' and providing 'urgent energy.'
- Users report significant mood elevation and clear-headed focus, contributing to a 'super smooth' and effective training experience.
- It is praised for its strong effects, with users frequently calling it '🔥' and '100% 🔥'.
- Some users find the taste acceptable, noting it 'don’t even taste that bad'.
- The formula includes a comprehensive blend of stimulants and performance enhancers, such as L-Citrulline Malate, Beta Alanine, and various caffeine sources.
Cons
- A drawback of Crack Primal is the lack of direct negative feedback in the provided user comments, making it difficult to identify specific product flaws from this data.
- Given its 'Extreme' intensity level and high stimulant load, it may not be suitable for individuals sensitive to stimulants or those new to pre-workout supplements.
- The manufacturer description was not provided, limiting official product information about its intended use or specific benefits.
Comparison Summary
Kj Labs Doomsday provides a high-caffeine experience with a potent blend of exotic stimulants, whereas Crack Primal focuses on mood elevation and urgent energy with a more comprehensive stimulant profile. Kj Labs Doomsday is best for users seeking raw stimulant power, while Crack Primal is ideal for advanced users wanting a balance of focus and intensity.
Key Differences:
- Caffeine Content: Kj Labs Doomsday (400 mg) vs Crack Primal (238 mg)
- Primary Effects: Kj Labs Doomsday (Potent stimulant hit with DMHA and DMBA) vs Crack Primal (Mood elevation and clear-headed focus)
- Popularity: Kj Labs Doomsday (34 community mentions) vs Crack Primal (57 community mentions)
Key Similarities:
- Intensity Level: Both products are classified as 'Extreme' and are intended for experienced supplement users.
- Exotic Stimulants: Both formulas utilize exotic stimulants to provide a more intense experience than standard pre-workouts.
- User Sentiment: Both products have high user sentiment.