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ALCAR (Acetyl L-Carnitine)

Buy our Acetyl-L-Carnitine Supplement


Acetyl-L-Carnitine (ALCAR), is commonly used as a dietary supplement for its antioxidant and neuroprotective properties. It is an acylated form of L-Carnitine with better bioavailability. It has a molar mass of 203.236 g/mol and the chemical formula C9H17NO4.


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Acetyl-L-Carnitine Benefits and Uses


Acetyl-L-carnitine is an amino acid synthesized in the kidney, liver and brain from lysine and methionine. It is recognized as the most absorbable form of L-carnitine having the ability to efficiently cross the blood-brain barrier.


L-carnitine’s main chemical function is to help the body produce energy through the mitochondrial oxidation of long-chain fatty acids. Anecdotally, this dietary supplement is used for its perceived abilities to promote brain health as well as enhance metabolism and energy levels.  


Where to Buy Acetyl-L-Carnitine Online?


LiftMode offers a variety of unit sizes of Acetyl-L-carnitine, ranging from 100 grams (3.53 Oz) to 200 grams (7.05 Oz). LiftMode Acetyl-L-carnitine is guaranteed 98+% pure.

All our products ship with a certificate of analysis from 3rd-party independent laboratories and all orders are covered by our 90-days refund/reshipment policy to ensure the highest quality.


Shipping restrictions: No shipping restrictions currently apply to this product and we are able to ship internationally. At checkout, the available shipping options for your location will be available.




Acetyl-L-carnitine supplements are also known by a few different names, including:






Acetyl carnitine

Gamma-trimethyl-beta acetylbutyrobetaine


Levocarnitine acetyl



Scientific Consensus:


Supplementing with this product is likely to be safe, even at larger serving sizes. Doses of up to 3 grams per day have been safely administered for a period of 3 weeks without any adverse effects.


L-carnitine may cause side effects for people with certain underlying conditions such as those with an under-active thyroid, bipolar disorder, and drug-induced neuropathy. There is not enough data to say whether L-carnitine is safe for pregnant or breastfeeding women, or if it can be used by children. 




All dietary supplements have risks. Please ensure that you are familiar with the latest research on effects, side effects, benefits, and uses of a supplement before buying it.


Store in a cool, dry place. Keep out of reach of children. Do not exceed the recommended serving size. Exceeding the recommended serving size may result in side effects. If you have any underlying medical conditions or are taking any medication, please consult a medical professional before using this supplement. 


These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


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How We Research Our Content


Our content is written using meticulous research methods and claims are backed by links to scientific references, wherever possible. The author and editors of Liftmode's Research Team have strong academic backgrounds in microbiology, physiology, and biochemistry.

Content Updated On: December 4, 2019




  • Traina, G.. (2016). The neurobiology of acetyl-L-carnitine. Front Biosci (Landmark Ed). 21:1314-29.Review.PubMed PMID: 27100509.

  • Rebouche, C. J. (1983). Effect of dietary carnitine isomers and gamma-butyrobetaine on L-carnitine biosynthesis and metabolism in the rat. J Nutr. 113(10):1906-13.PubMed PMID: 6619971.

  • Carnitine biosynthesis in rat and man: tissue specificity. (1981). Nutr Rev. 39(1):24-6. Review. PubMed PMID:6784047.

  • Hathcock, J. N., Shao, A. (2006). Risk assessment for carnitine. Regul Toxicol Pharmacol. 46(1):23-8. Epub 2006 Aug 9. Review. PubMed PMID: 16901595.