Top Brands for Alpha Lipoic Acid: A Must-Read Guide

Alpha lipoic acid, a potent antioxidant touted for its numerous health benefits, has garnered increasing attention in the supplement market. With a variety of brands offering this beneficial compound, it can be challenging to discern which ones offer the highest quality and efficacy. Among the popular options are brands known for their commitment to purity, transparency, and rigorous testing standards. To discover which brands have made our list of the best for alpha lipoic acid, read on to find out more about their offerings and what sets them apart.

Illustration of alpha lipoic acid

Best brands of alpha lipoic acid in 2025

Doctor's Best

Doctor's Best has been recognized as a leading producer of Alpha Lipoic Acid supplements, offering a high-quality formula with up to 600 mg per serving, typically available in vegetarian capsules since their establishment in 1989. Known for its powerful antioxidant properties, it supports healthy glucose metabolism and nerve function.

NOW Foods

NOW Foods, a family-owned company since 1968, is a leading producer of alpha-lipoic acid (ALA) supplements, offering products ranging from 100 mg to 600 mg per capsule, with some formulas including vitamins C and E to enhance antioxidant activity, as ALA functions as a free radical scavenger in both water and fat environments, supporting glutathione production and helping to recycle these vitamins. NOW Foods' ALA products come in vegetarian/vegan capsules and are GMP quality assured, and the brand is known for its commitment to producing non-GMO and kosher products. A popular choice is the Alpha Lipoic Acid Extra Strength 600 mg Veg Capsules, which provides a potent dose of this antioxidant.

Jarrow Formulas

Jarrow Formulas has established itself as a leading manufacturer of alpha-lipoic acid supplements, consistently delivering high-quality products to consumers since its inception in 1977. Their alpha-lipoic acid formulations are known for their high purity, typically exceeding 99% purity, ensuring optimal effectiveness. Many of their products feature a stabilized form of alpha-lipoic acid, promoting enhanced absorption and bioavailability for the body. Jarrow Formulas offers various dosages, often ranging from 100mg to 600mg, catering to diverse individual health needs and recommendations. Explore their range of alpha-lipoic acid products on their official website.

Life Extension

Life Extension stands out as a top producer of alpha-lipoic acid, offering both standard and Super R-lipoic acid formulations, with the latter providing a more bioavailable form of the antioxidant. Their Alpha-Lipoic Acid with Biotin supplement combines 250 mg of alpha-lipoic acid with 2500 mcg of biotin, while the Super R-Lipoic acid provides 240 mg of R-lipoic acid known for better absorption. These products are often praised for their quality and effectiveness in supporting antioxidant defense, cellular energy, and nerve health, as many customers have reported positive results.

Solgar

Solgar, established in 1947, stands out as a leading producer of high-quality supplements, including alpha-lipoic acid, known for its antioxidant properties. Their alpha-lipoic acid products typically come in 600 mg dosages, ensuring potent support for cellular health, and are available in vegetarian capsules. Solgar's commitment to quality includes rigorous testing and a gold standard production process. For comprehensive details about Solgar's Alpha-Lipoic Acid offerings, you can explore their official product page. Their dedication to excellence has earned Solgar recognition among consumers seeking reliable dietary supplements.

Nature's Way

Nature's Way has been a trusted brand since 1969, providing quality alpha lipoic acid, with each serving of 3 capsules delivering 600mg to support healthy nerve function and energy metabolism as an important coenzyme. The product is carefully tested to ensure superior quality, is gluten-free, and made with 97% post-consumer recycled materials, reflecting Nature's Way's commitment to sustainability and excellence in dietary supplements.

Thorne Research

Thorne Research is a reputable brand known for its high-quality alpha-lipoic acid (ALA) supplements, offering both R-Lipoic acid, the most bioavailable form, and standard ALA, with each capsule containing 300mg of ALA. These supplements support liver detoxification and act as powerful antioxidants in both water and fat-soluble tissues, with studies suggesting that 600-1800 mg daily is effective for neurological support, while also helping to recycle other antioxidants like glutathione. This product is third-party tested, ensuring purity and potency, and is trusted by numerous health professionals.

Pure Encapsulations

Pure Encapsulations is a leading brand for alpha lipoic acid, offering products with a minimum 99% purity that support nerve health, glucose metabolism, and cardiovascular function, with a recommended daily dosage between 100-1200 mg, and their ALA is both water and fat soluble. The brand's alpha lipoic acid is synthetically produced and is available in various dosages, including 200 mg, 400 mg, and 600 mg capsules. The products are also free from common allergens like wheat, soy, dairy, eggs, and artificial additives, and are suitable for vegetarians and vegans. You can find more information on their product here.

Source Naturals

Source Naturals, established in 1982, is a well-regarded brand that produces alpha lipoic acid (ALA) supplements in various forms, including capsules and time-released tablets, with dosages ranging from 100mg to 600mg, and is known for its potent antioxidant properties, supporting cellular energy, healthy aging, and blood sugar levels already within the normal range, while also recycling other antioxidants like Vitamin C and E; their products are manufactured in the USA.

Swanson

Swanson is a reputable brand producing high-quality alpha-lipoic acid supplements, with options ranging from 100mg to 600mg per capsule, catering to various needs, with some formulations also supporting healthy blood sugar levels and blood pressure already within normal ranges. Many users report improved energy levels and antioxidant protection, and the brand has been delivering science-backed health products for nearly 50 years.