Alpha-lipoic acid (ALA) is a powerful antioxidant naturally produced by the body. Supplementing with ALA can offer various health benefits, from supporting nerve function to aiding in glucose metabolism. With numerous options available, selecting the right ALA supplement is crucial for maximizing its potential advantages.
- Alpha Lipoic Acid - 240 Capsules Per Bottle; 120-240 Servings Per Bottle
- 600mg of Potent, High Quality Alpha Lipoic Acid Per Serving (300mg Capsules)
- Vegetarian Capsules. Always Over a Year Remaining Before Expiration (See bottom of bottle)
- Non-GMO, Gluten Free, Soy Free, Vegetarian Friendly, And 3rd Party Tested
- Made In a GMP Compliant, FDA Registered Facility
- This extra strength product has more alpha lipoic acid (600 mg per capsule) than our regular strength product (100 mg per capsule)
- ALA promotes the production of glutathione and can also recycle vitamins C and E, thereby enhancing their antioxidant activities*
- ALA may help to maintain healthy neural tissues, promote proper glucose metabolism and support healthy cardiovascular function*
- Take 1 capsule daily, preferably with a meal
- Packaged in the USA by a family owned and operated company since 1968
- Potent Antioxidant: Each serving contains 600mg of pure ALA to support the body's natural antioxidant defense and neutralize free radicals.*
- Supports Nerve Health: ALA plays an important role in nerve signaling and may help maintain healthy nerve function.*
- Supports Energy Production: As a cofactor in mitochondrial energy production, ALA supports cellular energy metabolism.*
- Supports Skin Health: ALA helps protect collagen and elastin for smoother, more youthful-looking skin from within.*
- Third Party Tested: Each batch is tested by a third-party lab to ensure purity and potency to meet or exceed label claims.*
- Made in the USA with Strict GMP standards.
- Free of Soy, Yeast, Wheat, Egg, Artificial Color, Flavor, & Preservatives.
- 600mg of Alpha Lipoic Acid Per Serving, 300mg Per Capsules
- Serving Size: 2 Capsules
- 120 Plant-Base Capsules (60 Servings) Per Bottle
- Non-GMO, Gluten Free
- Made in a GMP Compliant, FDA Registered Facility
- Alpha Lipoic Acid 600 mg — high-potency Alpha Lipoic Acid supplement designed to support antioxidant defenses, energy metabolism & nerve health. Each serving provides 600 mg of ALA.*
- 4-in-1 Complex — combines ALA with Benfotiamine, Vitamins B1 & B12 for broader daily wellness support. This advanced blend helps support energy metabolism, nervous system function, antioxidant activity, and overall vitality.*
- Nerve Support Formula — delivers high-potency Alpha Lipoic Acid to support nerve health, cellular protection, and healthy nervous system function as part of daily wellness.*
- S & R ALA Forms — features Alpha Lipoic Acid containing both R-ALA and S-ALA forms. This balanced ALA format provides comprehensive support in one convenient capsule formula.*
- Premium Quality — made in USA with globally sourced ingredients in GMP-certified facilities and third-party lab tested for purity and quality. Carefully crafted to deliver consistent, reliable support with every capsule.
- Antioxidant Benefits: Helps protect nerves, eyes, and other sensitive tissues from oxidative stress and cellular damage from free radicals that accumulates with normal aging processes*
- Liver Detox Support: Promotes the body's natural ability to eliminate toxins and benefits liver health by helping recycle glutathione and other potent antioxidants*
- Brain Health: Benefits cognitive wellness and helps maintain mental sharpness by supporting a normal inflammatory response and enhancing cellular energy production*
- Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
- Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)
- FEEL ALIVE WITH NERVIVE, FROM THE MAKERS OF THE WORLD'S #1 NERVE CARE BRAND
- : We have leveraged our 60+ years of global nerve care expertise to create NERVIVE NERVE RELIEF
- REDUCES OCCASIONAL NERVE DISCOMFORT IN 7 DAYS ‖*: Occasional nerve DISCOMFORT, STABBING (PINS & NEEDLES), AND BURNING in your HANDS & FEET may impact your daily tasks. The ALA in NERVE RELIEF reduces occasional nerve discomfort in as little as 7 DAYS...
- FEEL THE DIFFERENCE WITH LESS OCCASIONAL NERVE DISCOMFORT*: The clinically studied amount of Alpha Lipoic Acid in NERVIVE NERVE RELIEF reduces occasional nerve discomfort‖ by 50%, on average, after 4 weeks*.
- SUPPORTS THE CRITICAL COMPONENTS OF NERVE HEALTH* with neurotropic B Vitamins that nourish healthy nerves, enhance healthy neurotransmission, and build healthy nerve insulation
- Antioxidant Supplement: Provides nutritional support for metabolic processes with alpha lipoic acid, an antioxidant that helps support cells against damage
- Nerve Support Supplement: Alpha lipoic acid supports nerve health, maintains healthy nerve function, and supports the nervous system
- Supports Carbohydrate Metabolism: Alpha lipoic acid supports healthy carbohydrate uptake and helps to maintain healthy carbohydrate utilization*
- ALA Supplement: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity
- Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs
- POTENT ANTIOXIDANT: ALA (Alpha Lipoic Acid) is a fatty acid that may support nerve health. It neutralizes free radicals that may damage cells at the generic level
- FOR CELLULAR SUPPORT: Research shows that Alpha-Lipoic Acid may help support cellular energy
- MAY SUPPORT HEALTHY AGING: Limited research suggests ALA may support healthy aging and promote skin elasticity
- ROOTED IN QUALITY: Manufactured and Tested in the USA from Globally Sourced Ingredients. Double Wood's Alpha Lipoic Acid is manufactured and tested for microbes and heavy metals right here in the USA from Globally Sourced Ingredients. Plus, they are...
- WE BOTTLE WELLNESS: At Double Wood we provide pure, potent supplements that deliver exceptional value, all backed by careful sourcing and rigorous third-party testing. Common spellings include (ALA and Alpha Lipoic Acid)
- ALPHA LIPOIC ACID SUPPLEMENT: Alpha-Lipoic Acid (ALA) is a compound that functions as an antioxidant in the body. Our formula provides ALA support, aiding in cellular function and metabolic health
- SUPPORTS ANTIOXIDANT FUNCTION: Alpha lipoic acid helps regenerate antioxidants such as vitamin C, vitamin E, and glutathione, supporting the body's natural defense against oxidative stress
- HIGH POTENCY 600 MG: Each capsule delivers a full 600mg dose of alpha lipoic acid in a vegan-friendly formula that is non-GMO, gluten free, and soy free, supporting a wide range of dietary needs
- SUGGESTED CAPSULE USE: Take 1 veggie capsule daily for nutritional support, preferably on an empty stomach, or as recommended by a nutritionally informed physician
- DOCTOR'S BEST: Good nutrition starts with sound science. For over 35 years, we have been dedicated to providing only thoroughly researched, rigorously tested, and clinically-approved supplements
This article is part of our complete guide Vitamins & Supplements — browse all our comparisons and buying guides.
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Alpha Lipoic Acid Nutritional Supplements
Understanding Alpha-Lipoic Acid
Alpha-lipoic acid is a sulfur-containing compound that functions as a potent antioxidant. It is both water- and fat-soluble, allowing it to work throughout the body. ALA plays a vital role in energy production within cells and helps regenerate other antioxidants like vitamins C and E.
Key Factors to Consider
- Form: ALA is available in two primary forms: R-lipoic acid (the naturally occurring form) and S-lipoic acid (the synthetic form), or a racemic mixture (a combination of both). R-lipoic acid is generally considered more bioavailable and effective.
- Dosage: Common dosages range from 100 mg to 600 mg per day. The appropriate dosage can depend on individual needs and the intended health benefits. It's advisable to start with a lower dose and gradually increase if necessary, or follow product recommendations.
- Purity and Quality: Look for supplements that are third-party tested for purity and potency. Certifications from organizations like USP or NSF International can provide assurance of quality. Check the ingredient list for unnecessary fillers or additives.
- Delivery Method: ALA supplements come in capsule, tablet, and sometimes liquid forms. Capsules and tablets are most common. Ensure the product is easy to incorporate into your daily routine.
Potential Benefits and Uses
ALA is often used to support nerve health, particularly in individuals experiencing nerve discomfort. It also plays a role in managing blood sugar levels and improving insulin sensitivity. Due to its antioxidant properties, it can help protect cells from oxidative stress and support overall cellular health.