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Lipotropic compounds are those that help catalyse the breakdown of fat during metabolism in the body.. Choline is the major lipotrope in mammals and other known lipotropes are important only insofar as they contribute to the synthesis of choline. (Barak, 1973) A lipotropic nutrient promotes or encourages the export of fat from the liver. Lipotropics are necessary for maintenance of a healthy liver, and for burning the exported fat for additional energy. Without lipotropics, such as choline and inositol, fats and bile can become trapped in the liver, causing severe problems such as cirrhosis and blocking fat metabolism. Choline is essential for fat metabolism. Choline functions as a methyl donor and it is required for proper liver function. Like inositol, choline is a lipotropic. Inositol exerts lipotropic effects as well. An "unofficial" member of the B vitamins, inositol has even been shown to relieve depression and panic attacks. Methionine, an essential amino acid, is a major lipotropic compound in humans. When estrogen levels are high, the body requires more methionine. Estrogens reduce bile flow through the liver and increase bile cholesterol levels. Methionine helps deactivate estrogens. Methionine levels also affect the amount of sulfur-containing compounds, such as glutathione, in the liver. Glutathione and other sulfur-containing peptides (small proteins) play a critical role in defending against toxic compounds. When higher levels of toxic compounds are present, more methionine is needed. Choline assists detoxification reactions in the liver. Though choline can be synthesized from methionine or serine, recent evidence indicates that choline is an essential nutrient. Betaine hydrochloride is a powerful lipotropic and increases gastric acid.〔(【引用サイトリンク】title=Betaine Hydrochloride Information on Healthline )〕 Betaine itself (in a non-hydrochloric form, also known as TMG or Trimethylglycine) also has a lipotropic effect. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lipotropic」の詳細全文を読む スポンサード リンク
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