L-Carnitine Caution -- (1/28/2018)
A study in which L-carnitine was given to women during chemotherapy had a surprising result: It worsened side effects. Get the details in the Concerns and Cautions
section of the Acetyl-L-Carnitine Supplements Review.
Concern Over Carnitine Causing Cardiovascular Disease -- (4/14/2013)
Intake of L-carnitine from supplements (and from red meat) may foster atherosclerosis (hardening of the arteries), according to new research. Once ingested, L-carnitine is converted in some people to a compound which reduces the normal clearing of cholesterol from arteries.
For more details, see the updated reviews of B Vitamin Supplements & Energy Drinks
and Protein Powders
, as some of these products contain L-carnitine. The Acetyl-L-Carnitine Supplements
review has also been updated because acetyl-L-carnitine is chemically similar to L-carnitine, suggesting a potential concern.