L-Carnitine Background and Benefits
Carnitine is an ammonium compound that is synthesized from the amino acids methionine and lysine, primarily in the liver and kidneys. Plant and animal cells use it to transport fatty acids into the mitochondria to metabolize fats. Carnitine was discovered as a growth factor in mealworms and originally named vitamin BT, although it is not actually a vitamin. Carnitine has two forms, d-carnitine and l-carnitine, but only l-carnitine is biologically active.
Red meat is the most common dietary source of l-carnitine, although it is also present in many vegetables. Seeds such as pumpkin, sesame and sunflower are sources of l-carnitine, as are legumes like beans, lentils, peanuts and peas. Leafy green vegetables such as broccoli, collard greens, kale, okra and parsley also contain l-carnitine. Additional sources of l-carnitine include cereals like corn, oatmeal, rice bran, artichokes, asparagus and wheat germ.
L-carnitine is a popular nutritional supplement that is commonly used by people with naturally low l-carnitine levels. This condition often occurs in strict vegetarians and premature infants. Low l-carnitine levels can also result from a variety of genetic disorders that interfere with its biosynthesis. In addition, L-carnitine supplements are helpful for people taking certain drugs or undergoing hemodialysis.
Uses of L-Carnitine
L-carnitine may be helpful for relieving muscle discomfort, especially strains caused by exercise. L-carnitine is also commonly used for supporting healthy levels of thyroid hormones.
L-carnitine may be used to help maintain healthy levels of thyroid hormones and help support the healthy functioning of the thyroid gland.
Oral supplements of l-carnitine may improve discomfort tolerance among people who experience muscle pain as a result of exercise. L-carnitine supplements are often combined with standard treatments for some types of muscle discomfort.
Healthy kidney function
L-carnitine may help support healthy kidney function.
L-carnitine may also help support healthy bone function, especially among the elderly.
Signs You May Need L-Carnitine
L-carnitine may benefit you if you have a carnitine deficiency, which is generally the result of a dietary deficiency or inability to absorb this nutrient from food. Common causes of a carnitine deficiency include a genetic disorders that affect the liver and kidneys.
L-carnitine supplements may also help you if you have deficiencies of other nutrients that are required for the biosynthesis of l-carnitine, including iron, lysine, methionine, niacin, vitamin B1, vitamin B6 and vitamin C.
Synonyms and Similar Forms of L-Carnitine
Acetyl-L-carnitine, L carnitine
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