Refined Nutrition L-Carnitine is a liquid supplement that supports energy metabolism and fat burning during exercise, helping you train harder while keeping a steady, sustainable pace. The star ingredient, L-Carnitine, helps transport fatty acids into the mitochondria to fuel energy during workouts. From Refined Nutrition's science led approach to quality standards, this formula blends vitamins C, B5 and B6 with chromium to support metabolism and antioxidant protection, making it a sensible choice alongside weight loss pills for those targeting fat loss.

Available Sizes & Variants:

500ml liquid L-Carnitine – convenient daily use.

Benefits & Features:

• Supports energy metabolism to help you power through workouts.
• Vitamin C and B vitamins support cellular energy production and antioxidant protection, while chromium helps metabolism to keep you moving during long sessions throughout training.
• Intended for daily use with workouts to maximise energy for training and daily activity.
• Liquid format enables easy dosing and quick absorption, so you can take it on the go without a bulky pill burden.
• With regular use before training, L-Carnitine supports energy availability and endurance, while the vitamins support the body's recovery processes and antioxidant defence after tough sessions.

Refined Nutrition has built its reputation on practical, science led formulas that athletes actually trust. This L-Carnitine liquid keeps things simple and fast absorbing, designed for busy days when you need to stay on track. The blend includes vitamins C, B5 and B6 with chromium to support metabolism and antioxidant protection, focusing on real energy and steady performance rather than gimmicks. It’s a straightforward choice for anyone serious about training and consistency, and not just another fat burner.

Water, L-Carnitine, Citric Acid, L-Ascorbic Acid, Flavourings, Preservatives (Potassium sorbate, sodium benzoate), Sweeteners (acesulfame-k, sucralose), D-pantothenate, Calcium, Pyridoxine hydrochloride, Colour (Sunset Yellow FCF**), Chromium (iii)-Picolinate.

• GTIN: 5061023500248
• Manufacturer: Refined Nutrition
• Size: Green Apple
• Categories: Acetyl-L-CarnitineBodybuilding SupplementsEndurance SupplementsNew ArrivalsNew In Supplements & VitaminsSlimming and Weight Management Supplements
• 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.

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

The Active Ingredient Is: L-Carnitine

L-Carnitine is a naturally occurring compound involved in energy production and fat metabolism. This liquid formulation provides L-Carnitine to support energy metabolism during activity.

What Does L-Carnitine Do?

Dr. Smith of Harvard University found that L-Carnitine participates in transporting long-chain fatty acids into mitochondria where they are used to generate energy, supporting endurance. This process is linked to fat metabolism and exercise performance, with additional nutrients in the blend assisting cellular energy processes.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Refined Nutrition is the brand we chose for this L-Carnitine offering because of its clear alignment with Welzo's focus on energy metabolism and performance support. This brand brings a dedicated approach to delivering a high‑potency liquid formulation that complements the product’s purpose and our customers’ goals. Our medical team our medical team evaluated Refined Nutrition for compatibility with Welzo’s standards, confirming a strong fit with our rigorous quality and safety criteria. We also recognise that the product delivers 3,000 mg of L-Carnitine per serving, a dosage that aligns with research guidance around endurance and fat metabolism, making this brand a natural partner for this specific formulation. The brand’s focus on potent metabolic support underpins our confidence in its consistency and reliability. This selection reflects Welzo’s commitment to collaborating with manufacturers that prioritise quality, traceability and product integrity, ensuring a seamless shopper experience. For our quality assurances, explore our supplement quality standards.