Swanson L-Carnitine helps support fat metabolism, energising muscles for more productive workouts, while our brand's nearly fifty years of quality standards set the bar for reliability.

Available Sizes & Variants:

100 tablets - Standard bottle for daily use

Benefits & Features:

• Supports fat metabolism to fuel workouts and aid recovery.
• Manufactured in GMP certified facilities and tested for purity and potency through independent laboratories, this product delivers reliable strength and consistent results you can trust over time.
• The star ingredient L-carnitine helps transport long chain fatty acids into mitochondria for energy.
• The mechanism of action involves transferring fatty acids to mitochondria, helping the body metabolise fat to energise muscles, which is especially useful for workouts and body composition goals.
• Pairing with protein powder for muscle gain can fit easily into a fitness routine.

Swanson has built a strong reputation on careful formulation and rigorous quality checks. The L-Carnitine base is produced to high purity and paired with simple, well tolerated ingredients to keep every tablet easy to take. Swanson conducts purity and potency testing through independent labs and operates in GMP certified facilities, reinforcing confidence for daily use. For enthusiasts who search for carnitine acetyl l carnitine, this product offers a straightforward L-carnitine option with decades of proven reliability. With nearly half a century in the game, the brand blends traditional practices with modern standards. Trusted by athletes and everyday users alike.

L-Carnitine Base, L-Carnitine Base

• GTIN: 87614110011
• Manufacturer: Swanson
• Categories: Acetyl-L-Carnitine SupplementsSlimming and Weight Management SupplementsStamina & Endurance SupplementsSwanson
• 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.

Take one tablet of Swanson L-Carnitine 500mg daily, preferably 1-2 hours before meals. Store in a dry and dark place out of the reach of small children. Not recommended for use by those allergic to any of the product ingredients. Pregnant women and nursing mothers should consult a physician before use. Do not exceed the recommended daily dose.

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 Key Ingredient Is: L-Carnitine (L-Carnitine Base)

L-Carnitine is a basically a naturally occurring amino acid derivative that helps move fatty acids into cells for energy production. This product puts L-Carnitine as the base form in tablet form for dietary supplement use.

This formulation uses L-Carnitine base and includes excipients that help with stability and delivery; the ingredient is shown as a dietary supplement with no dosage instructions provided here.

What L-Carnitine Does?

L-Carnitine is involved in fat metabolism and energy production, with studies suggesting it may support exercise recovery and fat utilisation during activity. NHS/EFSA-aligned explanations describe its role in normal fat oxidation and energy generation.

Dr. Wall from the University found that L-Carnitine supplementation can influence fat metabolism and energy production during exercise, helping the body use stored fat as fuel.

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

Swanson sticks out in our evaluation for its longstanding commitment to quality and reliability. With nearly 50 years in the sector, the brand has built a reputation for consistent manufacturing excellence and a science-led approach to ingredient selection. This heritage, together with their GMP-certified facilities and adherence to FDA regulatory standards, positions Swanson as a trusted partner for Welzo customers seeking dependable supplement sourcing. Their stated practice of purity and potency testing through independent third-party labs aligns with our requirement for rigorous quality assurance, and it underpins the confidence we place in this brand.

Our team evaluated Swanson against our criteria for sourcing practices, supplier transparency, and manufacturing rigour, selecting them for their proven quality standards and collaborative ethos. The product, Swanson L-Carnitine, benefits from Swanson's quality framework, making it a natural fit for a supplement designed to support energy production and exercise recovery. This brand was evaluated by our medical team for compliance with our supplement quality standards, reinforcing our confidence in its safety and consistency.