The vitamin can be present in egg yolks, fatty fish and fortified milk and cereals. Nigella sativa is generally thought to be safe when used for culinary functions or taken as a every day supplement. Nausea, vomiting, or constipation, particularly when taken at larger doses. Berberine might trigger some gastrointestinal issues like diarrhea, cramping, or constipation. It is unsafe to make use of on...