Ninja Zen Sleep Aid vs Kj Labs Doomsday Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.

Ninja Zen Sleep Aid
ninja supplements

Kj Labs Doomsday
kj labs
Compare
Ninja Zen Sleep Aid
Kj Labs Doomsday
Stimulants
Total Caffeine
0 mg
400 mg
Exotic Stimulants
Contains Yohimbe
Community
Community Approval
100%
88%
Total Mentions
1
32
Where to Buy Ninja Zen Sleep Aid
NutriCartel
Ships from:πΊπΈ United States
$51.99
In Stock
Updated 12h ago
Cross The Limits
Ships from:π¬π§ United Kingdom
Β£42.00
out_of_stock
Updated 20h ago
Where to Buy Kj Labs Doomsday
NutriCartel
Ships from:πΊπΈ United States
$49.95
In Stock
Updated 75d ago
Ruesco
Ships from:πΊπΈ United States
$3.00
In Stock
Updated 11h ago
Caffeine
0 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
100%
Mentions
1
Caffeine
400 mg
Exotic Stims
Yes
Contains Yohimbe
No
Community Approval
88%
Mentions
32
Where to Buy
NutriCartel
Ships from:πΊπΈ United States
$51.99
In Stock
Updated 12h ago
Cross The Limits
Ships from:π¬π§ United Kingdom
Β£42.00
out_of_stock
Updated 20h ago
Where to Buy
NutriCartel
Ships from:πΊπΈ United States
$49.95
In Stock
Updated 75d ago
Ruesco
Ships from:πΊπΈ United States
$3.00
In Stock
Updated 11h ago
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
Ninja Zen Sleep Aid is a stimulant-free sleep aid with no caffeine or exotic stimulants, while Kj Labs Doomsday is a high-stimulant pre-workout containing 400mg of caffeine and exotic stimulants. Ninja Zen Sleep Aid targets users seeking relaxation and sleep support, whereas Kj Labs Doomsday is for advanced users desiring an intense stimulant experience for workouts.
Key Differences:
- Stimulant Content: Ninja Zen Sleep Aid (Contains 0mg of caffeine and no exotic stimulants) vs Kj Labs Doomsday (Contains 400mg of caffeine and includes exotic stimulants (DMHA, DMBA))
- Intended Use: Ninja Zen Sleep Aid (Marketed as a sleep aid) vs Kj Labs Doomsday (Marketed as a powerful stimulant pre-workout)
- User Feedback Availability: Ninja Zen Sleep Aid (No specific user pros or cons are available) vs Kj Labs Doomsday (Features detailed user pros highlighting potent effects and cons mentioning formula changes and post-workout effects)
Key Similarities:
- User Sentiment: Both products have high user sentiment.