Imperial Nutrition Thermal Spark vs Imperial Nutrition Excelsior Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.

Imperial Nutrition Thermal Spark
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Imperial Nutrition Excelsior
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Compare
Imperial Nutrition Thermal Spark
Imperial Nutrition Excelsior
Stimulants
Total Caffeine
Not specified
Not specified
Exotic Stimulants
Contains Yohimbe
Community
Community Approval
90%
87%
Total Mentions
31
78

Imperial Nutrition Thermal Spark
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View Details →Caffeine
N/A
Exotic Stims
No
Contains Yohimbe
No
Community Approval
90%
Mentions
31
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.

Imperial Nutrition Excelsior
imperial nutrition
View Details →Caffeine
N/A
Exotic Stims
No
Contains Yohimbe
No
Community Approval
87%
Mentions
78
Pros
- Excelsior delivers an instant hit of energy, described by users as 'rocket fuel' and a 'solid hitter'.
- Many users praise its ability to provide intense focus and concentration during workouts, allowing them to feel 'locked in' for extended periods.
- It has been historically regarded as a top-tier pre-workout, with some calling it 'the GOAT'.
- Users report increased strength and performance, such as lifting heavier weights and crushing workouts.
Cons
- A drawback of Excelsior is that it is excluded from any promotions or sales.
- Some users report inconsistencies between batches, leading to 'hit or miss' experiences where it may not work effectively.
- There are reports of a negative comedown or crash after the effects wear off, with users feeling a lack of motivation.
- One user mentioned that 'something turn up on blood tests' after taking Excelsior, though details are vague.
Comparison Summary
Imperial Nutrition Thermal Spark emphasizes long-lasting energy, endurance, and mood enhancement, while Imperial Nutrition Excelsior is known for an instant energy hit, intense focus, and increased strength during workouts. Thermal Spark is suited for users seeking sustained energy and mental clarity, whereas Excelsior targets those desiring an immediate, powerful boost for intense physical performance.
Key Differences:
- Energy Delivery & Primary Benefits: Imperial Nutrition Thermal Spark (Delivers powerful, long-lasting energy, endurance, and significant improvements in focus, concentration, and mood, effective for cardio.) vs Imperial Nutrition Excelsior (Provides an instant hit of energy, intense focus, and increased strength and performance during workouts.)
- Specific User Concerns: Imperial Nutrition Thermal Spark (Some users find one capsule insufficient, concerns about weakening appetite suppression, and some reported being unimpressed.) vs Imperial Nutrition Excelsior (Reports of inconsistencies between batches, a negative comedown or crash, and a vague health concern.)
Key Similarities:
- Brand and Stimulant Profile: Both products are from Imperial Nutrition, contain N/A mg of caffeine, and do not feature exotic stimulants.
- Exclusion from Promotions: Both Imperial Nutrition Thermal Spark and Imperial Nutrition Excelsior are explicitly excluded from any promotions or sales.
- User Praise for Energy and Focus: Users praise both products for delivering powerful energy and intense focus, often using phrases like 'rocket fuel' and feeling 'locked in'.
- User Sentiment: Both products have high user sentiment.