Kj Labs Doomsday vs Herolean Fat Burner Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.

Kj Labs Doomsday
kj labs

Herolean Fat Burner
dark labs
Compare
Kj Labs Doomsday
Herolean Fat Burner
Stimulants
Total Caffeine
400 mg
425 mg
Exotic Stimulants
Contains Yohimbe
Community
Community Approval
88%
73%
Total Mentions
32
22
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
Where to Buy Herolean Fat Burner
Ruesco
Ships from:πΊπΈ United States
$3.75
Out of Stock
Updated 8h ago
NutriCartel
Ships from:πΊπΈ United States
$49.90
In Stock
Updated 9h ago
Cross The Limits
Ships from:π¬π§ United Kingdom
Β£54.68
out_of_stock
Updated 3d ago

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.

Herolean Fat Burner
dark labs
View Details βCaffeine
425 mg
Exotic Stims
Yes
Contains Yohimbe
No
Community Approval
73%
Mentions
22
Where to Buy
Ruesco
Ships from:πΊπΈ United States
$3.75
Out of Stock
Updated 8h ago
NutriCartel
Ships from:πΊπΈ United States
$49.90
In Stock
Updated 9h ago
Cross The Limits
Ships from:π¬π§ United Kingdom
Β£54.68
out_of_stock
Updated 3d ago
Pros
- Herolean Fat Burner delivers strong, clean, non-jittery energy that intensifies with training, leading to a high-rated workout experience.
- Users report a smooth initial hit and a clean come-down with no crashes or interference with sleep.
- It is considered a hard-hitting product, effective for intense workouts and cardio sessions.
- Contains Alpha Yohimbine, an ingredient favored by some users for its stimulant and thermogenic properties.
- May induce a significant thermogenic effect, helping to 'heat you up' during workouts.
Cons
- A drawback of Herolean Fat Burner is its extreme potency, which can lead to uncomfortable or 'hellish' experiences for some users, even at very low doses.
- Some users report significant negative side effects, such as an elevated heart rate while stationary and feeling unwell or 'like a corpse'.
- It may not be effective or 'nothing special' for all users, with some disliking it enough to sell it.
- There are concerns among users about potential downgrades or inconsistencies in newer versions compared to the original formula.
Comparison Summary
Kj Labs Doomsday contains 400 mg of caffeine and is known for a powerful stimulant experience with DMHA and DMBA, while Dark Labs Herolean Fat Burner has 425 mg of caffeine and is praised for clean, non-jittery energy and thermogenic effects, though its extreme potency can lead to uncomfortable side effects. Kj Labs Doomsday targets users seeking a strong, specific stimulant blend, while Dark Labs Herolean Fat Burner is for those desiring intense, clean energy and thermogenesis, but who can tolerate high potency.
Key Differences:
- Caffeine Content: Kj Labs Doomsday (400 mg) vs Herolean Fat Burner (425 mg)
- Primary User Experience: Kj Labs Doomsday (Known for a powerful stimulant experience with DMHA and DMBA, but some users report post-workout crash and anxiety.) vs Herolean Fat Burner (Delivers strong, clean, non-jittery energy and significant thermogenic effects, though its extreme potency can lead to uncomfortable side effects for some.)
Key Similarities:
- Exotic Stimulants: Both products contain exotic stimulants.
- Potency: Both are described by users as hard-hitting and potent.
- Formula Consistency Concerns: Users express concerns about potential formula changes or inconsistencies in newer versions of both products.
- User Sentiment: Both products have fair to high user sentiment.