The flavonoids hesperidin and diosmin show several health benefits. For example, these flavonoids may have a beneficial effect on the condition of blood vessels*3 and they have a beneficial effect on the skin, because they protect against free radicals and are good for blood vessels and connective tissue*3. The diosmin for this product is obtained by Ferrer Health Tech in Spain from the albedo, the white part of unripe citrus fruits. The bioflavonoid hesperidin is also found in the peel of citrus fruits. The effect of hesperidin on health has now been widely documented, in particular the effect of hesperidin on the blood vessels has been extensively researched, including with this patented product.