Ultra Stable R-Alpha Lipoic Acid is the most active form of alpha-lipoic acid. Research has shown it to be superior to the unstable form: alpha-lipoic acid. Each capsule of our Brain Basic R-Lipoic Acid contains a potent dose of 300 mg per capsule. NA-R-ALA has been shown to be critical in healthy nerve, brain, and blood sugar support. Ultra-Stable R-Alpha Lipoic Acid is another amazing product that is designed to be used with our other Brain Bean products to support your MOOD, MIND, and MEMORY.