Lipoic acid is a fat-soluble, sulfur-containing, vitamin-like antioxidant. It is not a true vitamin because it can be synthesized in the body and is not necessary in the diet of animals. Lipoic acid functions in the same manner as many B-complex vitamins. Good sources of lipoic acid are yeast and liver. Other sources include spinach, broccoli, potatoes, kidney, heart, and skeletal muscle.

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  • Alpha Lipoic Acid, Alpha-Lipoic-Acid-300, Alpha Lipoic
  • low blood sugar--headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling jittery; or
    a light-headed feeling, like you might pass out.
    Common side effects may include:

    nausea; or
    skin rash.
  • Oral dosage of ALA given in numerous clinical studies ranges from 300 to 1,800 mg daily. It also is given intravenously at similar daily dosages.