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Acetyl-L-Carnitine Supplements

Cardiovascular Concerns With L-Carnitine

4/08/2022
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L-carnitine supplementation may have negative cardiovascular effects, according to a recent study. Get the details in the Concerns and Cautions section of our Acetyl -L-Carnitine Review.

Supplements During Chemotherapy?

9/27/2021
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If you are getting chemotherapy, experts now recommend avoiding acetyl-L-carnitine. Also, see what they have to say about using alpha-lipoic acid, vitamin B-12 and vitamin E.

Acetyl-L-carnitine + Alpha-Lipoic Acid for Lowering Blood Pressure?

8/27/2020
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We were recently asked if taking a combination of acetyl-L-carnitine and alpha-lipoic acid can help lower blood pressure. Find out what research shows in the What It Does section of the Acetyl-L-Carnitine Supplements Review. Also see our answer to the question: Which supplements can help to lower blood pressure?

Carnitine Heart Risk?

12/01/2018
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Supplementing with L-carnitine can raise blood levels of TMAO which can potentially advance atherosclerosis. However, the science is not clear, as suggested by a recent study. Get the details in the L-Carnitine section of the Acetyl-L-Carnitine Supplements Review.

L-Carnitine Caution

1/27/2018
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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

4/13/2013
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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.