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Blood urea depends on the balance between production and excretion. It is the major end product of protein metabolism. Levels slightly above normal are seen in persons on a high protein diet or acute starvation. Kidney disease is the principle cause of high blood urea
Uric acid is formed from the metabolism of nucleic acid. Blood levels depend on the balance between dietary intake and synthesis by the cells and excretion by the kidney. High uric acid levels will lead to gout, urinary stones and kidney disease. A person with high uric acid should reduce their intake of high protein diet, internal organs, fish roe and alcohol.
Urine is produced by the kidneys from blood flowing through it. It therefore reflects conditions in the blood, kidneys and urinary tract. The finding in the urine is also influenced by the things we eat and drink.
