Liquid dietary supplement Echinacea Liquid by Health Aid, produced by organic echinacea cultivars of the varieties Purpurea and Angustifolia, for maximum effect.
Echinacea contains a number of substances, such as alkaloids, glycosides, amides, terpenoids, etc., to which it owes its properties. Thus, anyone using echinacea should be careful if the herb is standardized in these substances, so that there is a similar effect.