It is a highly concentrated drinkable dietary supplement that combines several plants: devil's claw helps mobility and joint comfort, blackcurrant leaf, white willow and nettle promote flexibility of joints. Without colourants and without chemical additives. Certified Organic Farming. Control FR-BIO-01. Vegan. Made in France. Dietary supplements are food products whose purpose is to supplement the normal diet, consisting of concentrated sources of nutrients or other substances that have a nutritional or physiological effect, in simple or combined form, and are marketed in such a way as to allow a specific dosage of each product and to be taken in small unit quantities.