What is Acetyl-L-Carnitine?

Bradley Metoyer

Posted on August 01 2018

What is Acetyl-L-Carnitine?

A new study has show a link between depression and low LAC in blood, could taking a nutritional supplement to restore this molecule help depression?


116 participants blood samples were tested by researcher, 71 with depression and 45 without. Levels of LAC were noticeably lower in patents that have depression compared to those without. Patients with more severe depressions had lower amount of LAC when compared to those with a mild diagnosis. The information was published in the journal PNAS


An artical from NEWSWEEK claims

"Bruce McEwen, a professor of neuroscience and behavior at The Rockefeller University [told them]  the study revealed LAC was a potential biomarker for depression. If proved, this could be an important step forward for the diagnosis of the mental illness. "



Acetyl-L-Carnitine is already a commercial product, and also comes with other benefits that have been studied.



Now Foods has conducted a Bioavailability Study on their current Acetyl-L-Carninte.


They measured the total serum carnitine in 3 healthy volunteers 22 to 55 years if age. Measurements were recorded 1, 3, and 6 hours after the initial oral administration of 2 capsules containing 1 gram of Acetyl-L-Carnitine.



The average serum carnitine peaked around 3 hours after supplementation, and the average concentration stayed elevated 20% over the baseline level. This demonstrates the exceptional bioavailability of NOW® Acetyl-L-Carnitine 500 mg Veg Caps

Acetyl-L-Carnitine 500 mg Bioavailability Study

Average total serum carnitine level before, and 1, 3, and 6 hours following a single administration of two Acetyl-L-Carnitine 500 mg Veg Capsules (NOW®, Bloomingdale, Illinois; #0076) providing 1,000 mg of acetyl-L-carnitine in healthy adult volunteers.


Shop and learn more about NOW foods Acetyl-L-Carnitine HERE

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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