My blood urea nitrogen is 10.16 mg/dL,
creatinine is 1.1 mg/dL, bun/creatinine ratio is 9.24 and urea/creatinine ratio is 19.77,
uric acid is 6.27 mg/dL,
calcium is 9.2 iu/mL, sodium is 140 mmol/L, potassium is 3.91 mmol/L, chloride is 102 mmol/L, urea is 21.75 mg/dL. Are any changes to diet (I am vegetarian) required to keep my kidneys healthy?