The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.
The bioeconomy is witnessing a revival of interest in chestnut tannin, a compound extracted from chestnut tree bark or wood, thanks to its versatile applications and environmentally friendly nature.
Willow bark has similar properties to aspirin and has been used historically for pain relief. It’s available as a supplement in various forms, but it isn’t regulated. The research on its ...