HerbalGram 126 includes articles on the Sustainable Herbs Program; turmeric lab guidance document; preserving peyote; climate change and medicinal plant distribution; nigella seed oil for the liver; grape seed procyanidin extract for diabetic retinopathy; green tea for dementia, Alzheimer's Disease, and cognitive impairment; USP legacy in quality standards for botanicals; herbal supply chain impacts of COVID-19; herb profile on bulbine (Bulbine spp.); and more.