Acetyl-L-carnitine is a form of carnitine, a conditionally essential amino acid. This compound acts as a chemical building block for proteins in the human body. Although most healthy bodies produce sufficient amounts of L-carnitine, pregnant women and people with medical conditions sometimes need supplements containing this important amino acid. Acetyl-L-carnitine supplements are likely safe during pregnancy but expectant mothers should not use them without consulting a qualified health care provider.
Acetyl-L-Carnitine Explained
Nutritionists regard carnitine as "conditionally essential" because the body sometimes but not always produces enough of the compound to prevent deficiency. It is necessary for human health and some people's bodies do not produce sufficient amounts to compensate for its expenditure. Acetyl-L-carnitine is a slightly chemically modified form of L-carnitine. According to the Linus Pauling Institute, the human body absorbs and utilizes the acetylated form of the L-carnitine more readily than ordinary carnitine supplements.
Requirement During Pregnancy
A 1986 study published in the "American Journal of Clinical Nutrition" determined that the human body uses and expels more L-carnitine during pregnancy than other stages of life. This might occur because a fetus' rapid growth requires carnitine for the synthesis of major tissues and organs in the body. According to the University of Maryland Medical Center, people with medical conditions such as diabetes, kidney disease and chronic fatigue syndrome also might have an increased dietary need for L-carnitine or acetyl-L-carnitine.
Potential Dangers
No well-designed human studies have investigated the rate of birth defects and pregnancy complications among women using acetyl-L-carnitine supplements. Because of this, there is no clear evidence to determine if it has any impact, positive or negative, on the health and viability of pregnancy. Until more is known, pregnant women should consult their obstetricians or midwives before using acetyl-L-carnitine so that the practitioner can help to weigh the theoretical benefits and risks.
General Side Effects
Acetyl-L-carnitine produces some side effects during all stages of life, including pregnancy. Carnitine side effects include diarrhea and vomiting, which, according to the University of Maryland Medical Center, are most commonly seen among people taking doses of carnitine exceeding 5 g per day. The medical center also links the supplement to body odor, increased appetite and rash. If you develop side effects while using acetyl-L-carnitine, consult your health care provider.
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