Drinking tonic water, which contains quinine ... The risk of serious or life-threatening side effects from quinine and the lack of convincing evidence for its use outweigh the potential benefit ...

The secret is tonic water, which fluoresces under ultraviolet (UV) light. This effect is due to quinine, a naturally ... can also create luminous effects under UV lights. Riboflavin (vitamin ...

Quinine, the key ingredient in tonic water, is derived from cinchona bark. It was first used as a digestive aid and later became widely known for its effectiveness in treating malaria. Recommended ...