Advertising Disclosure L Carnitine Liquid Fat Burner Comparison - July 2025
6 Best L Carnitine Liquid Fat Burner In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.6Exceptional | 3  9.5Excellent | 4  9.4Excellent | 5  9.1Excellent | 6  8.8Very Good |
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ModelPure L CARNITINE 3000 Liquid Shots | 40 Easy Opening Vials | Weight Loss, Fat Burner, High Concentration | Fast Absorption for Sports Activities | UK Vegan Certified | N2 Natural Nutrition | Model Applied Nutrition L Carnitine 3000 Liquid - L-Carnitine with Green Tea & Vitamin C, Boosts Energy & Weight Management, Vegan (480ml - 32 Servings) (Sour Apple) | Model Solgar L-Carnitine 1500 mg Liquid - 473 ml - for Daily Use - Supports Metabolism and Cellular Energy Release - Vegan and Gluten Free | Model L Carnitine Liquid 2000mg | 500ml | Lemon Flavour | High Strength Fast Absorbing Amino Acid with Vitamin B5 | Vegan | by Horbaach | Model Fat Killer Liquid L-Carnitine, Tropical - 500 ml. | Model Fat Burners for Women & Men Weight Loss - L Carnitine Thermo Day Burn, Day Shred, Daytime Fat Burner, Weight Loss That Works Fast in Liquid Form, Appetite & Hunger Control, Natural Formula 9-in-1 |
BrandN2 Natural Nutrition | Brand Applied Nutrition | Brand SOLGAR | Brand Horbäach | Brand Trec Nutrition | Brand QSTA |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  |
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Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1N2 Natural NutritionPure L CARNITINE 3000 Liquid Shots | 40 Easy Opening Vials | Weight Loss, Fat Burner, High Concentration | Fast Absorption for Sports Activities | UK Vegan Certified | N2 Natural Nutrition
Main highlights- POWERFUL FAT BURNER HELPS TO LOSE WEIGHT AND BOOSTS ENERGY: The Natural Sports Supplement L-Carnitine 3000 acts as Fat Burner and metabolism booster. It promotes Weight Loss, increases the use of fats as a source of energy so they burn more easily, and is more effective during periods of high use as sports training.
- SATISFACTION GUARANTEE: For N2 Natural Nutrition the satisfaction of our customers is our reason to be. So, if you have any questions or suggestions, do not hesitate to contact us, our team of nutritionists and experts will be happy to offer you the best solution as soon as possible.
- MAXIMUM AND FAST ASSIMILATION, IMPROVES SPORTS PERFORMANCE AND MUSCLE RECOVERY: N2 Natural Nutrition’s L-Carnitine 3000 increases the levels of Energy and Resistance. Moreover, it favours the metabolism of heavy fats, acting as a Fat Burner, being able to improve the Muscular Recovery, the Physical and Mental Performance. Recommended in Resistance and Aerobic activity.
- VEGAN CERTIFICATE: 100% Natural Supplements, with VEGAN certification by The Vegetarian Society UK. Manufactured in CE Laboratories, they comply with the strict standards and manufacturing processes ISO 9001, American FDA, GMP (Good Manufacturing Practices). All our ingredients are transgenic free and Cruelty Free.
- 20 SINGLE-DOSE VIALS FREE OF GLUTEN AND LACTOSE: Our 100% Natural L Carnitine liquid 3000 Supplement comes in Unicadose Vials which, unlike tablets, provide maximum concentration and purity, maximising the absorption of the active ingredients and reducing intestinal irritation.
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9.6
2Applied Nutrition25% Off
Applied Nutrition L Carnitine 3000 Liquid - L-Carnitine with Green Tea & Vitamin C, Boosts Energy & Weight Management, Vegan (480ml - 32 Servings) (Sour Apple)
Why we love it
Boosts energy and endurance effectively.
Sugar-free and vegan-friendly.
Tested and trusted by elite athletes.
Main highlights- TESTED FOR ATHLETES: This L Carnitine fat burner has been rigorously tested to the same standard of professional athleticism. In fact, some of the world’s most elite athletes use Applied Nutrition as part of their workouts because of their high quality products.
- SUGAR FREE FORMULA: The L Carnitine liquid 3000mg is bursting with natural flavour and is completely sugar free. This gives you a tasty tablespoon of liquid energy free of guilt. It is also suitable for vegans.
- INCREASE PERFORMANCE AND ENDURANCE: L Carnitine plays a huge role in your body’s metabolic rate. By helping your body to convert fat into energy, L Carnitine liquid supports high performance and endurance for your workouts. It also helps reduce the depletion of muscle glycogen.
- GREEN TEA EXTRACT: Liquid L-Carnitine contains 50g of fat burning green tea extract per serving. This can help anyone on a weight management programme. It also contains essential amino acids vital in creating protein to fuel your muscles.
- 3 DELICIOUS FLAVOURS: CLA supplements should not have to be tasteless. Applied Nutrition’s CLA Carnitine liquid comes in a range of 3 scrumptious flavours. You can order Fruit Burst, Sour Apple or Tangy Orange depending on which you find most mouth-watering.
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9.5
3SOLGAR
Solgar L-Carnitine 1500 mg Liquid - 473 ml - for Daily Use - Supports Metabolism and Cellular Energy Release - Vegan and Gluten Free
Why we love it
Natural ingredients
Daily use
Sustainable packaging
Main highlights- ✓ SUITABLE FOR DAILY USE - L-Carnitine 1500 mg Liquid 473 ml comes in a liquid form with a natural lemon flavour to be taken on an empty stomach, one (1) to two (2) tablespoons (15 ml to 30 ml) daily
- ✓ NATURAL WELLNESS - We believe that cleaner is better, we craft our vitamins and minerals in small batches to help ensure consistency and purity from bottle to bottle
- ✓ METABOLISM SUPPORT - L-Carnitine 1500 mg Liquid 473 ml is one of Solgar's premium-quality amino acid range products containing L-Carnitine, an amino acid involved in the metabolism and the release of cellular energy. Amino acids can be further used by the body to create hormones, enzymes, neurotransmitters, antibodies and nutrient carriers
- ✓ GOLD STANDARD - All Solgar products meet our industry recognized “Gold Standard” for excellence, made using naturally sourced ingredients and innovating since 1950
- ✓ COMMITTED TO SUSTAINABILITY - For over 70 years we've used 100% recyclable amber glass bottles. We believe that cleaner is better, we craft our vitamins and minerals in small batches to help ensure consistency and purity from bottle to bottle
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
