Alpha Lipoic Acid 600mg per Serving, 60 Capsules (Third Party Tested, Non-GMO, Gluten Free, Vegan Safe) Cellular Energy Support (ALA Supplement) by Double Wood

Clinical trials typically use 300–1200mg/day; metabolic studies use 600–1200mg; antioxidant studies often use 300–600mg. Double Wood Alpha Lipoic Acid 600mg delivers 600mg ALA per 2-capsule serving, which we classify as Full relative to that range.

See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.

Yes — Third-Party Tested, Non-GMO, Vegan, Gluten-Free. Third-party testing verifies ingredient identity and label accuracy.

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Alpha Lipoic Acid enhances insulin sensitivity and can potentiate hypoglycemic effects of insulin or oral diabetes medications — close glucose monitoring is required. ALA may also reduce the effectiveness of some chemotherapy drugs. Thyroid medications may be affected as ALA can suppress TSH production at high doses.

ALA at 600mg is generally well tolerated in trials up to 4 years (diabetic neuropathy studies). The main concern is thiamine (B1) depletion with very long-term high-dose ALA — supplementing B1 alongside ALA is advisable for continuous use. Thyroid effects at 600mg+ are documented in some individuals.

Nausea is the most commonly reported side effect, especially when taken on an empty stomach. The sulfur-containing structure of ALA can cause a sulfurous taste or reflux in sensitive individuals. Taking with a small amount of food dramatically reduces nausea. Skin rash is rare but possible.

ALA regenerates vitamins C, E, and glutathione, making it a powerful addition to antioxidant stacks. Pairs well with CoQ10 and NAC. Do not stack with high-dose biotin (B7) — ALA competes with biotin for cell membrane transporters and can cause transient biotin deficiency symptoms.

Take 2 capsules with food to minimize nausea. Start at 1 capsule (300mg) for the first week. Supplement with a B-complex or standalone thiamine if using long-term. Individuals with thyroid conditions or on diabetes medications should consult a physician before starting.

Antioxidant effects from ALA are essentially immediate at the cellular level. Subjective energy improvements may be noticed within the first 1–2 weeks. For glucose metabolism and neuropathy support, clinical trials show measurable changes at 4–8 weeks. Full therapeutic effects typically emerge at 3 months.