Dark Labs Crack Purple vs Imperial Nutrition Thermal Spark Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Dark Labs Crack Purple is an extreme-level pre-workout containing 500mg of caffeine and exotic stimulants, whereas Imperial Nutrition Thermal Spark is an intermediate-level energy supplement that lacks exotic stimulants and specific caffeine labeling.
Go with Dark Labs Crack Purple if...
- •You are an advanced user seeking extreme energy and euphoria
- •You specifically desire products containing exotic stimulants like DMAA
- •You want a high-caffeine pre-workout for intense training sessions
Go with Imperial Nutrition Thermal Spark if...
- •You prefer a more manageable intermediate level of stimulation
- •You want a product that excels in focus and endurance for cardio
- •You prefer a supplement that can be easily stacked with other products

Dark Labs Crack Purple
dark labs

Imperial Nutrition Thermal Spark
imperial nutrition
Dark Labs Crack Purple
Imperial Nutrition Thermal Spark
Where to Buy Dark Labs Crack Purple
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Imperial Nutrition Thermal Spark
Ruesco
Where to Buy Dark Labs Crack Purple
NutriCartel
Get 15% off your order
Ruesco
Where to Buy Imperial Nutrition Thermal Spark
Ruesco
Ingredient Label
Ingredient Label
Pros
- Crack Purple delivers insane energy and focus, with many users reporting a powerful, euphoric experience.
- It contains a potent blend of ingredients, including Citrulline Malate, Beta Alanine, Caffeine Anhydrous, and 1,3-Dimethylamylamine HCL (DMAA), contributing to its extreme effects.
- Users frequently compare its intensity to the highly regarded '1,3 version' of Crack Purple, indicating a very strong stimulant profile.
- Some users experience consistent energy and euphoria that is potent but not unmanageable.
Cons
- A drawback of Crack Purple is the concern among some users regarding Dark Labs' practice of 'copy and paste' labels, suggesting potential reformulation issues or a lack of originality in newer batches.
- Some users report inconsistent effects, finding that the product does not always deliver the expected intensity or 'hype' for them.
- The taste has been described negatively by some users, with one comparing it to 'toilet freshener'.
- There are reports of potential negative side effects, such as increased aggression, for some individuals.
- Some users feel that newer versions do not live up to the reputation or extreme intensity of the 'original' Crack Purple formula.
Pros
- Thermal Spark delivers powerful and long-lasting energy, often described as 'rocket fuel' and 'off the charts' endurance.
- Users report significant improvements in focus, concentration, and mood, leading to 'tunnel-vision' and 'locked-in' productivity.
- It is effective for cardio and can be stacked with other supplements for enhanced lifting performance.
- The product is considered strong and effective even when taken on its own.
Cons
- A drawback of Thermal Spark is that some users find one capsule insufficient, requiring two to feel the desired effects.
- There are concerns that the appetite suppression, for which the product was famous, may weaken over time.
- This product is explicitly excluded from any promotions or sales.
- Some users have reported not being impressed with the product, although this was sometimes attributed to not giving it a proper chance.
Comparison Summary
Dark Labs Crack Purple is a high-intensity, exotic-stimulant-based pre-workout, while Imperial Nutrition Thermal Spark is a versatile energy-focused supplement for intermediate users. Dark Labs Crack Purple targets experienced stimulant users looking for extreme performance, whereas Imperial Nutrition Thermal Spark is better suited for those needing sustained focus and endurance.
Key Differences:
- Caffeine Content: Dark Labs Crack Purple (500 mg) vs Imperial Nutrition Thermal Spark (Not specified)
- Exotic Stimulants: Dark Labs Crack Purple (Yes) vs Imperial Nutrition Thermal Spark (No)
- Product Intensity Level: Dark Labs Crack Purple (Extreme) vs Imperial Nutrition Thermal Spark (Intermediate)
Key Similarities:
- Focus Enhancement: Both products are highly regarded by users for their ability to significantly improve mental focus and concentration during workouts.
- Performance Utility: Both supplements are recognized for their effectiveness in boosting physical output, whether through raw energy or endurance.
- User Sentiment: Both products have fair to high user sentiment.