Fat Burners 2026: Honest Review and Ranking
Note: This guide covers popular products worldwide. Availability may vary. See our MaxFit.ee selection below.
Fat burners are one of the most controversial supplement categories. Here's an honest, evidence-based overview to help make an informed choice.
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Read more: Fat Burners: A Science-Based Guide
See also:
- Weight Loss Supplements: What Actually Works?
- Thermogenic Fat Burners: How Thermogenesis Helps You Burn Extra Calories
- Best Supplement Stacks for Fat Loss in 2026
Important Disclaimer
Fat burners DO NOT replace:
- Calorie deficit
- Regular exercise
- Proper sleep
- Healthy nutrition
They are tools that may help achieve 5-10% better results, NOT magic solutions.
Evidence-Based Ingredients
Proven Effective
Caffeine (100-400mg)
- Increases metabolism 3-11%
- Improves workout performance
- Increases fat oxidation
- ✅ Well-researched
Green Tea Extract (EGCG) (400-500mg)
- Moderate thermogenesis
- Antioxidants
- Works synergistically with caffeine
- ✅ Scientifically supported
Capsaicin (Cayenne) (30-150mg)
- Increases thermogenesis
- Reduces appetite
- ✅ Moderately effective
L-Carnitine (2-3g)
- Transports fatty acids to mitochondria
- Improves recovery
- ⚠️ Effectiveness varies
Questionable Effectiveness
Garcinia Cambogia
- Weak scientific support
- Marketing > reality
- ❌ Not recommended
Raspberry Ketones
- No human studies
- Only rodent studies
- ❌ Not recommended
CLA (Conjugated Linoleic Acid)
- Mixed results
- Small effect
- ⚠️ Low priority
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Browse our Fat Burner selection at MaxFit.ee →
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Rankings
1. Legion Phoenix
Ingredients:
- Caffeine: 0mg (stim-free)
- Forskolin: 250mg
- Synephrine: 50mg
- EGCG: 400mg
- Garcinia (HCA): 1200mg
- Salicin: 30mg
Price: ~€45 (30 days)
Pros:
- Caffeine-free (works with pre-workout)
- Evidence-based doses
- Transparent formula
Cons:
- Pricier
- Limited availability in Europe
Recommendation: Best stimulant-free option
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2. Transparent Labs PhysiqueSeries Fat Burner
Ingredients:
- Forskolin: 250mg
- Synephrine: 50mg
- EGCG: 400mg
- Caffeine: 0mg
- 5-HTP: 150mg
Price: ~€50 (30 days)
Pros:
- Evidence-based doses
- Contains mood support (5-HTP)
- Clean formula
Cons:
- Pricier
- No caffeine (con for some)
Recommendation: Premium clean option
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3. Instant Knockout
Ingredients:
- Caffeine: 300mg
- Green Tea: 500mg
- Cayenne: 100mg
- Glucomannan: 1800mg
- Vitamin B6 & B12
Price: ~€55 (30 days)
Pros:
- Strong thermogenesis formula
- Contains fiber (appetite control)
- Made for MMA boxers
Cons:
- High caffeine content
- Not for beginners
Recommendation: For those who tolerate stimulants well
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4. BioTechUSA L-Carnitine + Chrome
Ingredients:
- L-Carnitine: 1500mg
- Chromium Picolinate: 120mcg
- B-vitamins
Price: ~€15 (60 servings)
Pros:
- Excellent value
- Stimulant-free
- Available at MaxFit.ee
- Suitable for everyone
Cons:
- Moderate effectiveness
- No thermogenesis components
Recommendation: Good starter or add-on component
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5. PhenQ
Ingredients:
- α-Lacys Reset® (proprietary)
- Capsimax (capsaicin)
- Caffeine: ~140mg
- Nopal cactus
- L-Carnitine fumarate
Price: ~€70 (30 days)
Pros:
- Multi-faceted approach
- Appetite suppression
- Energy boost
Cons:
- Pricier
- Proprietary ingredients (unclear doses)
Recommendation: All-in-one solution
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6. Lean PM
Ingredients:
- Green Tea: 225mg EGCG
- L-Theanine: 200mg
- 5-HTP: 150mg
- Melatonin: 3mg
- Vitamin D3
Price: ~€30 (60 servings)
Pros:
- Nighttime fat burning
- Improves sleep
- Caffeine-free
Cons:
- Weaker thermogenesis effect
Recommendation: For nighttime use
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7. EVL Trans4orm
Ingredients:
- Caffeine: 175mg
- Green Tea: 250mg
- L-Tyrosine: 500mg
- CLA: 500mg
- Cayenne: 50mg
Price: ~€25 (60 servings)
Pros:
- Affordable
- Balanced formula
- Moderate caffeine
Cons:
- Lower doses
- Contains CLA (questionable effectiveness)
Recommendation: Budget choice
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8. Hydroxycut Hardcore Elite
Ingredients:
- Caffeine: 270mg
- Green Coffee: 400mg
- L-Theanine: 100mg
- Yohimbine: 39.5mg (yohimbe bark)
Price: ~€30 (100 servings)
Pros:
- Strong stimulant
- Good price
Cons:
- Contains yohimbine (side effects!)
- High caffeine
- Not for beginners
Recommendation: For advanced users only
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9. Cellucor Super HD
Ingredients:
- Caffeine: 160mg
- Green Tea
- Amla
- Dandelion Root
Price: ~€35 (60 servings)
Pros:
- Moderate caffeine
- Known brand
Cons:
- Unclear doses
- Proprietary blend
Recommendation: Average choice
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10. JYM Shred JYM
Ingredients:
- Caffeine: 200mg
- Green Tea: 500mg
- Acetyl-L-Carnitine: 1500mg
- Synephrine: 20mg
- Cayenne: 33.4mg
Price: ~€45 (60 servings)
Pros:
- Jim Stoppani brand
- Fully open formula
Cons:
- Slightly high price
- Average effectiveness
Recommendation: For fans
Caffeine vs Caffeine-Free
When to Choose With Caffeine
- Morning/daytime use
- Tolerate stimulants well
- Want energy boost
- Don't use pre-workout
When to Choose Caffeine-Free
- Use pre-workout
- Evening training
- Anxiety or sleep issues
- Caffeine sensitivity
Safety Tips
Warnings
- Don't exceed recommended dose
- Don't combine multiple stimulants
- Consult doctor if health issues
- Pregnancy/nursing - PROHIBITED
Side Effects
- Heart palpitations
- Anxiety
- Sleep problems
- Elevated blood pressure
- Digestive issues
Who Should NOT Use
- Heart conditions
- High blood pressure
- Anxiety disorders
- Under 18 years old
- Pregnant/nursing
Realistic Expectations
What to Expect
- 100-300 kcal extra burn per day (via thermogenesis)
- Increased energy and focus
- Slightly better appetite control
- 5-10% faster fat loss (WITH diet and training)
What NOT to Expect
- Magic fat loss without diet changes
- Significant weight loss
- Replacement for healthy lifestyle
Price-Effectiveness Comparison
| Product | Daily Cost | Value |
|---|---|---|
| BioTechUSA L-Carn | €0.25 | |
| EVL Trans4orm | €0.42 | |
| Lean PM | €0.50 | |
| Legion Phoenix | €1.50 | |
| Instant Knockout | €1.83 |
Where to Buy in Estonia
MaxFit.ee
- BioTechUSA L-Carnitine
- Fast delivery
- Estonian support
iHerb
- Legion, Transparent Labs
- Wider selection
- International brands
Pharmacy/Health Store
- CLA, L-Carnitine
- Simpler products
Alternatives to Fat Burners
Free "Fat Burners"
1. Coffee - 1-2 cups per day
2. Green Tea - 3-4 cups per day
3. Spicy Food - Cayenne, peppers
4. Walking - 10,000 steps per day
5. Cold Shower - Moderate thermogenesis
More Important Supplements on Diet
1. Protein - Preserves muscle mass
2. Creatine - Maintains strength
3. Caffeine - Energy and focus
4. Omega-3 - Overall health
Conclusion
Best stimulant-free: Legion Phoenix
Best nighttime use: Lean PM
Best value: BioTechUSA L-Carnitine
Best strong thermogenic: Instant Knockout
Fat burners are TOOLS, not solutions. Invest first in proper nutrition and training plan. Once those are in place, a fat burner can provide a small additional effect. Ready to try? Browse our best fat burner supplements at MaxFit.
Best "fat burner": Calorie deficit + training + sufficient sleep!
See also:
- L-Carnitine — fat metabolism support
- Green Tea Extract — natural thermogenic
- CLA — conjugated linoleic acid for body composition
