Herbalicious Quinine Liquid Extract 2oz - Cinchona Officinalis Bark Herbal Supplement for Leg Cramping Relief, Cramp Defense and Overall Digestive Health - All-Natural Quinine, Boosting Immune System This should be in everybody's medicine cabinet. Quinine was the #1 drug used to treat malaria as well as being the SOURCE of HCQ (Hydroxychloroquine). Quinine sulfate will kill almost any parasitic infection. PROMOTES HEALTHY BLOOD VESSELS If there’s one more amazing thing about cinchona, it is its wonderful effect on keeping blood vessels healthy. As such, it has become a ubiquitous go-to ingredient of many in addressing varicose veins. Hemorrhoids are also something that cinchona may potentially be effective against. More information at the link below. https://xephula.com/posts/991238