Among The good features of this tea is how instantly it may modify colour. As I discussed, the flowers get their blue colour from anthocyanins. When steeped in water, they'll switch the water a natural, vibrant blue. If you like a squeeze of lemon in the tea, watch out: https://benefits-of-drinking-gree44433.blogoscience.com/37097404/side-effects-of-butterfly-pea-flower-tea-fundamentals-explained