Vitamins & Minerals
What Really Makes People Live Longer?
Acetyl-L-carnitine is similar in form to the amino acid L-carnitine and also has some similar functions, such as being involved in the metabolism of food into energy.
Where is it found?
Acetyl-L-carnitine is a molecule that occurs naturally in the brain, liver, and kidney. It is also available as a dietary supplement.
Who is likely to be deficient?
Acetyl-L-carnitine levels may decrease with advancing age. However, because it is not an essential nutrient, true deficiencies do not occur.
How much is usually taken?
Most research involving acetyl-L-carnitine has used 500 mg three times per day, though some research has used double this amount.
Are there any side effects or interactions?
Side effects from taking acetyl-L-carnitine are uncommon, although skin rash, increased appetite, nausea, vomiting, agitation, and body odor have been reported in people taking acetyl-L-carnitine.