Lecithin is possibly safe for most people if used correctly, but some potential side effects include nausea, abdominal pain, fullness and diarrhea, states WebMD. Moreover, there is still no enough information to provide proper evidence on its side effects.
Lecithin is found in many vegetable and animal sources such as eggs, oranges, peanuts and cauliflower, but people who do not eat these foods can take its supplement. There is no information about its interaction with other drugs. In addition, studies provide no enough information regarding Lecithin's toxicities. There are no safety concerns even though it is widely used, notes Drugs.com. The body requires Lecithin to function properly.