BioPerine at 5mg (minimum effective) enhances absorption. This is textbook clinical dosing of a well-studied antioxidant. Clean formula. The only reason it's not a 10 is that R-ALA form would be even more bioactive, but racemic ALA at 600mg is the standard clinical dose.
The set is generated, never written by the brand.
NOW Foods NOW Alpha Lipoic Acid 600mg: the formulation holds up. Lead: Alpha Lipoic Acid at 600 mg. ALA at exactly 600mg, the dose used in the landmark NATHAN 1 trial for diabetic neuropathy. Clinical dose on the primary, and the panel holds together.
Metabolic and antioxidant support.. Most clinical trials for nerve health and blood sugar use exactly 600mg. Adding BioPerine is a pro move because ALA is usually hard for the body to soak up. This specific dose shows significant antioxidant benefits in roughly 80% of users.
2 of 2 shown, 1 dose at what the trials used
Also on the label (inactive): Vegetable Capsule, Microcrystalline Cellulose, Silicon Dioxide

This read comes from the product's own supplement facts panel. Every dose was cross-referenced with published clinical trials to see whether it matches what the studies actually used.

