This is a clear commercial interest and is disclosed transparently
Free Radic Res 2000
Research indicates that expired vitamins are typically safe to take, so these products are unlikely to cause side effects just because they are out of date
What are some of the most promising, high-growth opportunities for the s-acetyl-l-glutathione market by type (97% purity, 98% purity, and others), application (health product raw materials, cosmetic raw materials, pharmaceutical raw materials, active pharmaceutical ingredient, and others), and region (North America, Europe, Asia Pacific, and the Rest of the World)
[81] Previous reports have suggested that the RIDA method can detect higher concentrations of vitamin B 12 in foods compared to the microbiological assay method