Acetyl-L-Carnitine helps maintain youthful cellular energy, and boosts brain and nerve health, and keeps you feeling sharper, more balanced, and ready for the day. The key active ingredient, acetyl l carnitine, helps move fats into mitochondria to boost cellular energy and support brain and nerve health. Life Extension has built a longstanding reputation for pure, thoroughly tested supplements, with vegetarian, non-GMO, gluten-free capsules you can rely on.

Available Sizes & Variants:

100 vegetarian capsules - handy everyday supply for ongoing help.

Benefits & Features:

• Helps energy production in cells for daily stamina.
• Crosses the blood brain barrier to support mood and cognitive function.
• Fosters a calm mood and focus, helping you stay sharp through tricky days.
• Vegetarian, non-GMO and gluten-free, aligning with Life Extension's promise of quality and transparency.
• Regular use may support healthy energy metabolism and nerve function, contributing to everyday vitality and resilience as part of a simple daily routine for people.

Life Extension's Acetyl-L-Carnitine formula leans on a clear, science-backed approach to energy and brain health. The star ingredient carnitine acetyl l carnitine helps shuttle fats into mitochondria and cross into the brain to support acetylcholine synthesis. The vegetarian, non-GMO, gluten-free capsules mirror the brand's commitment to quality and transparency, turning premium formulation into everyday reliability. If you're looking for the best omega three supplement, this isn't it; it's a different kind of support from a trusted name.

Acetyl-L-Carnitine (from acetyl-L-carnitine hydrochloride)
Vitamin C (as ascorbyl palmitate)

• GTIN: 737870152415
• Manufacturer: Life Extension
• Categories: Acetyl-L-Carnitine SupplementsNew ArrivalsSlimming and Weight Management SupplementsStamina & Endurance 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.

Take one capsule two to four times daily, as advised by a healthcare professional. For best results, consume on an empty stomach with water or juice, dividing the doses 45 minutes before breakfast and lunch. As a dietary supplement\, take 1 capsule twice daily. Consider taking these other NOW products: GliSODin\, Alpha Lipoic Acid and Advanced Gamma E Complex.

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

The Active Ingredient Is: Acetyl-L-Carnitine

Acetyl-L-carnitine is a natural, naturally occurring compound involved in ferrying fatty acids into mitochondria to fuel cellular energy production. It passes the blood-brain barrier and plays a role in acetylcholine synthesis, which may influence brain function and mood.

This form is used as a plant-based supplement ingredient and is described as non-GMO and suitable for gluten-free diets, with the acetyl-L-carnitine component providing the main active function in this product.

What Does Acetyl-L-Carnitine Do?

Acetyl-L-carnitine supports youthful cellular energy and is involved in brain and nerve health, potentially contributing to mood regulation and oxidative stress defence in ageing adults.

Research evidence from studies led by Dr. Montgomery of a university suggests acetyl-L-carnitine can improve mental function and attention in elderly individuals with mild cognitive impairment, reflecting its role in energy metabolism and brain function.

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

Life Extension is our go-to partner for Acetyl-L-Carnitine because the brand has a well-established reputation in the dietary supplement space and a clear focus on delivering clean, purpose-led formulations. This product is designed as a vegetarian, non-GMO, gluten-free option produced to meet US dietary supplement standards, and it is presented in vegetarian capsules to support accessibility for a broad range of consumers. Within our evaluation, Life Extension was assessed by Welzo's medical team for compliance with our ingredient quality and purity standards, underscoring our commitment to transparent sourcing and product integrity. Our team also references the brand’s established presence in the sector when considering reliability, consistency, and traceability across batches, which reinforces trust in this partner.

This product-specific fit is well aligned with Life Extension’s approach to delivering acetyl-L-carnitine as the primary active ingredient—supporting youthful cellular energy and nerve health, with potential mood and cognitive support as described in the available information. This makes Life Extension a strong collaborator for a supplement that aims to support energy metabolism and nervous system comfort. For a deeper look at our vetting, please explore how Welzo evaluates partnerships with our healthcare professionals: Welzo's healthcare professionals.