Time Machine Pre Workout vs Kj Labs Doomsday Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Time Machine Pre Workout is a niche formula without exotic stimulants, while Kj Labs Doomsday is a highly popular, extreme-intensity supplement featuring 400mg of caffeine and exotic stimulants.
Go with Time Machine Pre Workout if...
- •You prefer a formula without exotic stimulants
- •You want to try a product from Renegade Labz
Go with Kj Labs Doomsday if...
- •You are an experienced user seeking an extreme stimulant experience
- •You want a high-caffeine formula with 400mg per serving
- •You prefer a product with significant community popularity and feedback

Time Machine Pre Workout
renegade labz

Kj Labs Doomsday
kj labs
Time Machine Pre Workout
Kj Labs Doomsday
Where to Buy Time Machine Pre Workout
NutriCartel
Get 15% off your order
Where to Buy Kj Labs Doomsday
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Time Machine Pre Workout
NutriCartel
Get 15% off your order
Where to Buy Kj Labs Doomsday
NutriCartel
Get 15% off your order
Ruesco
Ingredient Label
Ingredient Label
No pros/cons analysis available
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.
Comparison Summary
Time Machine Pre Workout is a stimulant-based formula without exotic ingredients, while Kj Labs Doomsday is an extreme-intensity product featuring 400mg of caffeine and exotic stimulants like DMHA and DMBA. Time Machine Pre Workout is suited for those wanting a simpler stimulant profile, whereas Kj Labs Doomsday is designed for advanced users seeking maximum intensity and focus.
Key Differences:
- Caffeine Content: Time Machine Pre Workout (Not specified) vs Kj Labs Doomsday (400mg)
- Exotic Stimulants: Time Machine Pre Workout (Contains no exotic stimulants) vs Kj Labs Doomsday (Includes exotic stimulants such as DMHA and DMBA)
- Product Level: Time Machine Pre Workout (Not rated) vs Kj Labs Doomsday (Extreme)
- Popularity: Time Machine Pre Workout (Minimal community mentions (1)) vs Kj Labs Doomsday (High community popularity (36 mentions))
Key Similarities:
- Product Category: Both products are marketed as pre-workout supplements intended to enhance training performance.
- User Sentiment: Both products have high user sentiment.