BioTechUSA L-Carnitine boosts how you burn energy and go longer by delivering carnitine to muscles, so you can train longer and feel more fuelled. And the formula also mixes green tea extract and key B vitamins to help energy conversion and modest fat use during workouts, which helps energy metabolism. BioTechUSA is known across Europe for athlete‑focused, thoughtfully developed blends that rely on safe ingredients and clear formulations.

Available Sizes & Variants:

500 ml bottle – a handy ready to drink option for daily training

Benefits & Features:

• Boosts energy metabolism to fuel longer workouts and helps you push harder
• Supports fat burning during training by improving fatty acid use
• Includes B vitamins to help convert food into energy for lasting performance
• Ready to drink and sugar free, it’s easy to fit into any pre training routine, helping you stay hydrated, focused, and primed for fat burner style performance
• Suitable for recreational and professional athletes aiming for steady energy and performance

BioTechUSA has earned a strong European reputation for athlete focused nutrition. This L-Carnitine drink is sugar free, easy-to-drink, and blends L-Carnitine with green tea extract and key B vitamins. The star ingredient helps shuttle fatty acids into mitochondria for energy during training, while the green tea extract adds mild thermogenic support. For those after a fat burner style boost, BioTechUSA's careful sourcing and safety standards make this a dependable choice for active lifestyles, and the product complements popular stacks that include creatine.

L-Carnitine, Green Tea Extract, Inulin, Thiamine (Vitamin B1), Niacin (as nicotinamide), Pantothenic acid (Vitamin B5), Vitamin B6 (pyridoxine hydrochloride)

• GTIN: 5999076204472
• Manufacturer: BioTechUSA
• Size: Apple
• Categories: Best SellersBioTechUSA SupplementsMetabolism BoostersSlimming and Weight Management SupplementsSports SupplementsStamina & Endurance SupplementsSubscribe & Save Products
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Drink 1 serving (10 ml) 30 minutes before training sessions. Have 1 serving per day. Do not consume on an empty stomach. Shake well before drinking. Do not exceed the recommended daily dosage. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. Not recommended for pregnant or breastfeeding women, or children under 18 years of age. Not recommended for those with renal disorders, cardiovascular diseases and conditions with seizures. The product should not be used on the same day with other products containing green tea.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: L-Carnitine

L-Carnitine is a molecule involved in energy metabolism by ferrying long-chain fatty acids into mitochondria for energy generation.

This ready-to-drink liquid formula delivers L-Carnitine in a handy form to support muscle energy workflows during workouts.

What Does L-Carnitine Do?

L-Carnitine participates in fatty acid transport into mitochondria, helping to generate ATP during physical activity. Dr. Pooyandjoo of Tehran University found that L-Carnitine supplementation can aid exercise performance and fat oxidation. This aligns with the role of energy metabolism in sustaining normal activity levels.

This section explains how the nutrient functions in normal body processes and supports energy production during routine physical activity.

BioTechUSA sticks out as a continental leader in sports nutrition, known for its athlete-centric formulations and a long-running footprint in the EU market. This brand is broadly recognised for safe, thoughtfully selected ingredients and a heritage built on backing performance in active lifestyles. Welzo picked BioTechUSA for its established reputation and alignment with our commitment to reliability and transparency in supplementation. Our team evaluated BioTechUSA through the lens of really rigorous standards and consistency, guided by Welzo's healthcare professionals and our emphasis on ingredient quality and purity as described in how we verify ingredient quality. We selected BioTechUSA because of its athlete-centric approach and its recognised position within European sports nutrition, which aligns with our quality benchmarks.

For this product, BioTechUSA delivers a sugar-free, ready-to-drink L-Carnitine formula that includes supportive components like green tea extract and B vitamins, designed to fit into athletic training routines. This brand and product combo meets our standards for credibility, manufacturing focus, and suitability for performance-oriented supplementation.