By eating large amounts of protein foods e.g. … ; as well as fresh and organic juices. More detailed recommendations to lower high Blood Urea Nitrogen in diet are as follows: 1.Limit purine intake by eating less animal organs, seafoods and meats. meats, red meat are associated with high uric acid, gout, heart disease, hypertension. It is a question which is often asked by kidney disease patients. low uric acid can have negative effects as well, Parkinson's, Alzheimer’s; there’s a Goldilocks zone though. What foods can I take to reduce the BUN (blood urea nitrogen) level? Indeed, diet … 2.Control protein supply properly by eating … Substitute regular tea/coffee with Green tea. Green tea is a very beneficial herbal tea for lowering creatinine and to reduce urea … 10 Foods that Are Helpful for Reducing Blood Urea Nitrogen 2014-04-29 07:00. So for lower urea and creatinine levels, your diet should contain vegetables such as bitter gourd and cucumber; Vitamin C-rich foods like cauliflower, parsley, berries, etc. As your kidneys are unable to excrete urea and creatinine properly, they build up in your blood and cause symptoms such as nausea and loss of appetite. meat, fish, chicken, eggs, cheese, milk and yoghurt before commencing dialysis, you will affect the buildup of urea and creatinine in your blood.