KJ Labs Doomsday Pre Workout
Kj Labs

Kj Labs Doomsday Pre Workout Reviews

27

Total Mentions

93%

Community Approval

18

Positive Mentions

Community Sentiment

18 Positive7 Neutral2 Negative
Full product information and reviews

Product Summary

Kj Labs Doomsday is an extreme intensity pre-workout known for its potent stimulant blend. It is recommended for experienced users seeking a powerful and intense training experience.

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.

NutriCartel

Ships from:πŸ‡ΊπŸ‡Έ US
$49.95
In Stock
Updated 90d ago

Get 15% off your order

Shop at NutriCartel

Ruesco

Listed as: KJ Labs Doomsday

Ships from:πŸ‡ΊπŸ‡Έ US
$3.00
In Stock
Updated 20h ago
Shop at Ruesco
Prices and availability updated automatically from retailer websites.

Video Reviews (2)

DOOMSDAY - BY KJ LABS - CAN THE MAKERS OF SMASH AMF, OXY MELT, AND PYRE GO 4/4 ON THE HITTERS??

Gym Dad FitnessApr 9, 2025

GUESS WHO'S BACK WITH A BRAND-NEW ILLICIT?! KJ Labs Doomsday Review ft. @Gymdadfitnessreviews

High Stim AceApr 5, 2025
Intensity Level
Extreme
Total Caffeine
400mg
Stimulant Profile
Loading stimulant data...

What does this level mean?

Maximum intensity warning! Contains exotic stimulants (DMHA, DMBA, DMAA) for experienced users only. Not for daily use – cycle with milder options throughout your week. Handle with respect.

Community Mentions (27)

one solid DMHA hitter (Halloween or Doomsday)

by u/Apprehensive_Try478

positive
Jan 7, 2026

I can't comment on Doomsday as ive never used it.

by u/BeneficialDingo2571

neutral
Jan 5, 2026

Like the guys said, Doomsday is a really good one.

by u/Heraphim0

positive
Nov 22, 2025

I’d go with hydrazine or doomsday out of those - probably doomsday as it’s more focus oriented without the stimmy/weird feeling you didn’t like with hardcore.

by u/Greg-Lloyd

positive
Nov 9, 2025

I like doomsday but want something more

by u/DutyAgitated9694

positive
Nov 7, 2025

Heard Doomsday is alright.

by u/UbiquitousPixel

neutral
Nov 4, 2025

Yeah ran the whole thing when I used a sample of regular doomsday.

by u/Dextrobeats

neutral
Nov 4, 2025

Run kj labs doomsday it doesn't get any love its a top tier dmba pre

by u/_KOOL_AID_2025_

positive
Oct 24, 2025

Doomsday and Doomsday Hardcore are both top notch hitters. Ordering doomsday (or hardcore) is "playing it safe".

by u/kaze_san

positive
Oct 21, 2025

Doomsday regular for me is a hitter.

by u/Electronic-War-4662

positive
Oct 21, 2025
Page 1 of 3

Ingredient Analysis

Overall Score: 83%

+ 4 other ingredients without performance benchmarks

Ingredients

Serving Size1 Scoop (12.86g)
Servings Per Container25
IngredientDosage
L-Citrulline6,000 mg
Beta Alanine3,200 mg
Caffeine Anhydrous350 mg
Theobromine100 mg
Guarana Extract (22% Caffeine)50 mg
DMHA300 mg
DMBA20 mg
Phenyl Piracetam20 mg
GBB20 mg

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KJ Labs Doomsday Pre Workout FAQs

What are the effects of KJ Labs Doomsday Pre Workout?

Kj Labs Doomsday is an extreme intensity pre-workout known for its potent stimulant blend. It is recommended for experienced users seeking a powerful and intense training experience.

How much caffeine is in KJ Labs Doomsday Pre Workout?

KJ Labs Doomsday Pre Workout contains 400mg of total caffeine per serving.

What intensity level is KJ Labs Doomsday Pre Workout?

KJ Labs Doomsday Pre Workout is classified as Extreme intensity. This is a maximum intensity pre-workout containing exotic stimulants. It is designed for experienced users only and should not be used daily.

What do users say about KJ Labs Doomsday Pre Workout?

Based on 27 community mentions, KJ Labs Doomsday Pre Workout has an 93% community approval rating with 18 positive, 7 neutral, and 2 negative mentions.

Where can I buy KJ Labs Doomsday Pre Workout and how much does it cost?

KJ Labs Doomsday Pre Workout is available from retailers including NutriCartel, Ruesco. Prices range from $3.00 to $49.95 USD.

What are the pros of KJ Labs Doomsday Pre Workout?

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.

What are the cons or things to watch out for with KJ Labs Doomsday Pre Workout?

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.