Noopept Rx 100 Caps vs Kj Labs Doomsday Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Noopept Rx 100 Caps
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Kj Labs Doomsday
kj labs
Compare
Noopept Rx 100 Caps
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 Kj Labs Doomsday
Ruesco
Ships from:πΊπΈ United States
$3.00
In Stock
Updated 8h ago
NutriCartel
Ships from:πΊπΈ United States
$49.95
In Stock
Updated 49d ago
Noopept Rx 100 Caps
archives
View Details βCaffeine
0 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
100%
Mentions
1
Pros
- Noopept Rx 100 Caps delivers a positive user experience, with one user noting its effective combination with other supplements.
- Its intermediate intensity level makes it accessible to a broader range of users.
Cons
- A drawback of Noopept Rx 100 Caps is the lack of available information regarding its key ingredients, which can make it difficult for users to assess its full profile.
- The limited number of user comments makes it challenging to gauge a wide range of experiences.

Kj Labs Doomsday
kj labs
View Details βCaffeine
400 mg
Exotic Stims
Yes
Contains Yohimbe
No
Community Approval
88%
Mentions
32
Where to Buy
Ruesco
Ships from:πΊπΈ United States
$3.00
In Stock
Updated 8h ago
NutriCartel
Ships from:πΊπΈ United States
$49.95
In Stock
Updated 49d ago
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
Noopept Rx 100 Caps is a stimulant-free supplement with intermediate intensity and a lack of ingredient transparency, while Kj Labs Doomsday is a high-stimulant product containing 400mg of caffeine and exotic stimulants, known for its powerful effects. Noopept Rx 100 Caps targets users seeking a moderate experience or stacking with other supplements, whereas Kj Labs Doomsday is for advanced users desiring an intense, potent stimulant effect.
Key Differences:
- Stimulants: Noopept Rx 100 Caps (0mg of caffeine and no exotic stimulants) vs Kj Labs Doomsday (400mg of caffeine and includes exotic stimulants)
- Intensity and Experience: Noopept Rx 100 Caps (Intermediate intensity, delivers a positive user experience and effective when combined with other supplements.) vs Kj Labs Doomsday (Powerful and effective stimulant experience, described as 'fucking fire,' but with potential for post-workout crash and anxiety.)
- Ingredient Transparency: Noopept Rx 100 Caps (Lack of available information regarding key ingredients.) vs Kj Labs Doomsday (Recognized for a potent blend of specific stimulants like DMHA and DMBA.)
Key Similarities:
- User Praise for Effectiveness: Both products receive positive user feedback regarding their effectiveness, albeit for different types of experiences.
- User Sentiment: Both products have high user sentiment.