Bare Knuckle vs Flame Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Bare Knuckle is a highly popular stimulant-free pump formula with a 91% sentiment score, while Flame is an intermediate-level product with 0mg caffeine and lower community engagement.
Go with Bare Knuckle if...
- •You prioritize intense muscle pumps and vascularity
- •You want a highly-rated formula for stacking with other products
- •You prefer a product with high community popularity and proven results
In StockCoupon Available
Go with Flame if...
- •You are looking for an intermediate-level stimulant-free option
- •You want a product that delivers a powerful and noticeable effect
- •You prefer a simpler alternative to the more complex Bare Knuckle formula
Out of Stock

Bare Knuckle
apollon nutrition
Flame
dark labs
Compare
Bare Knuckle
Flame
Stimulants
Total Caffeine
0 mg
0 mg
Exotic Stimulants
Contains Yohimbe
Community
Community Approval
91%
73%
Total Mentions
22
15
Where to Buy Bare Knuckle
NutriCartel
Ships from:🇺🇸 United States
$49.95
In Stock
Updated 11h ago
Get 15% off your order
Ruesco
Ships from:🇺🇸 United States
$2.25
In Stock
Updated 11h ago
Ruesco
Ships from:🇺🇸 United States
$2.25
In Stock
Updated 11h ago
Where to Buy Flame
Cross The Limits
Ships from:🇬🇧 United Kingdom
£3.13
out_of_stock
Updated 13d ago
Cross The Limits
Ships from:🇬🇧 United Kingdom
£38.91
out_of_stock
Updated 8d ago
Cross The Limits
Ships from:🇬🇧 United Kingdom
£43.68
out_of_stock
Updated 13d ago
Caffeine
0 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
91%
Mentions
22
Caffeine
0 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
73%
Mentions
15
Where to Buy Bare Knuckle
NutriCartel
Ships from:🇺🇸 United States
$49.95
In Stock
Updated 11h ago
Get 15% off your order
Ruesco
Ships from:🇺🇸 United States
$2.25
In Stock
Updated 11h ago
Ruesco
Ships from:🇺🇸 United States
$2.25
In Stock
Updated 11h ago
Where to Buy Flame
Cross The Limits
Ships from:🇬🇧 United Kingdom
£3.13
out_of_stock
Updated 13d ago
Cross The Limits
Ships from:🇬🇧 United Kingdom
£38.91
out_of_stock
Updated 8d ago
Cross The Limits
Ships from:🇬🇧 United Kingdom
£43.68
out_of_stock
Updated 13d ago
Ingredient Label
Ingredient Label
Pros
- Bare Knuckle delivers exceptional pumps, with users reporting a sensation of muscles feeling like they're going to rip through the skin.
- It provides sustained energy in the form of strength, enabling longer and more intense workout sessions.
- Users consistently praise it as a solid and fully loaded non-stimulant formula, making it a top choice for those avoiding stimulants.
- It is highly recommended for stacking with other non-stimulant products to achieve a complete 'iron pumping experience'.
Cons
- A drawback of Bare Knuckle is the absence of a manufacturer description, which could provide more detailed insights into its formulation and benefits.
- The key ingredients are not available, making it challenging for users to understand the specific compounds responsible for its effects.
Pros
- Dark Labs Flame delivers a powerful and noticeable effect, as indicated by user feedback.
Cons
- A drawback of Dark Labs Flame is the lack of available key ingredient information, making it difficult to assess its full composition.
Comparison Summary
Bare Knuckle is a dedicated non-stimulant pump formula with high user satisfaction, while Flame is an intermediate-level stimulant-free option with a more moderate sentiment score. Bare Knuckle targets users seeking maximum pumps and stacking potential, whereas Flame is for those looking for a powerful effect in an intermediate category.
Key Differences:
- Product Level: Bare Knuckle (Non-Stimulant/Pump focused) vs Flame (Intermediate level)
- Community Popularity: Bare Knuckle (Higher engagement with 22 mentions) vs Flame (Lower engagement with 15 mentions)
Key Similarities:
- Stimulant Content: Both products contain 0mg of caffeine and do not include exotic stimulants.
- Ingredient Transparency: Both products are noted for a lack of detailed ingredient information or manufacturer descriptions in the provided data.
- User Sentiment: Both products have fair to high user sentiment.