Alpha lipoic acid

From WikiMD's Wellness Encyclopedia

Alpha lipoic acid (ALA), also known as thioctic acid, is an organic compound that is naturally produced in the body and also found in various foods. It is a powerful antioxidant that plays a crucial role in mitochondrial energy metabolism. ALA is unique among antioxidants because it is both water-soluble and fat-soluble, which allows it to work in every cell or tissue in the body. In addition to its antioxidant properties, alpha lipoic acid helps to regenerate other antioxidants, such as vitamin C, vitamin E, and glutathione.

Sources and Bioavailability[edit | edit source]

Alpha lipoic acid is synthesized in small amounts in the human body, but it can also be obtained from dietary sources. Foods rich in ALA include spinach, broccoli, tomatoes, Brussels sprouts, potatoes, yeast, and organ meats such as liver and kidney. However, the amounts obtained from the diet are usually much lower than the doses used for therapeutic purposes, which are typically obtained through supplements.

Health Benefits[edit | edit source]

Research has suggested several potential health benefits of alpha lipoic acid, including:

Mechanism of Action[edit | edit source]

Alpha lipoic acid works by neutralizing free radicals and reducing oxidative stress, thanks to its antioxidant properties. It also plays a role in mitochondrial ATP production, helping to convert glucose into energy. Furthermore, ALA recycles other antioxidants, thereby enhancing the body's overall antioxidant defense system.

Safety and Side Effects[edit | edit source]

Alpha lipoic acid is generally considered safe when taken as recommended. However, some people may experience side effects, such as nausea, rash, or itching. High doses can potentially lower blood sugar levels too much, especially in people with diabetes who are taking antidiabetic drugs. Therefore, it is important to consult a healthcare provider before starting supplementation, particularly for individuals with underlying health conditions or those taking other medications.

Conclusion[edit | edit source]

Alpha lipoic acid is a versatile antioxidant with a range of potential health benefits. While it is naturally produced in the body and available in some foods, supplementation may be necessary to achieve therapeutic doses. As with any supplement, it is important to consult with a healthcare professional before starting to ensure its safety and efficacy.


Contributors: Prab R. Tumpati, MD