If you're not too sure... Of course, if you're unsure of the effect of this herb in your own body, you may want to consult with a qualified herbalist. Naturally, if you are suffering from any chronic condition under a doctor's care, you should consult your general practitioner before making any changes to your care regimen, including adding herbal treatments. Dandelion flower can enhance night vision Most of the remedies listed in The Flat Belly Drink Loophole this article are made by cleaning and preparing the root and/or leaves of the dandelion into a tea. However, the flower also has been proven to have helpful effect. The American Journal of Medicine reported in a study in 1951 that the freshly picked flowers of the dandelion contain a substance called helenin, which, when made into a tea can provide improvement for those experiencing poor night vision.