You should speak to your health care provider before changing your diet or adding any supplements. I am unfamiliar with Garcinia Cambogia. I cannot find any studies of the use of this compound in anyone with chronic kidney disease. You should also speak with a Registered Dietitian to discuss your diet and exercise plan. Click on the link below to read more about diabetes and CKD: http://www.kidney.org/atoz/pdf/diabetes.pdf
The Academy of Nutrition and Dietetics has an online referral system which may help you find a qualified practitioner in your area. Click on the link below to access the database. In addition, your health care provider should be able to refer you to a Registered Dietitian in your area. http://www.eatright.org/programs/rdfinder/
This will depend on a variety of factors, including your stage of CKD, health history, current medications and lab values. You should speak to a Renal Dietitian to customize a meal plan that would work for you based on this information. Click on the link below to read more about nutrition and CKD in stages 1-4: http://www.kidney.org/atoz/pdf/NutriKidFail_Stage1-4.pdf
You should speak to a Registered Dietitian to create a meal plan that would be right for you based on your weight, lab values, health history and medications. Click on the link below to read more about living with one kidney: https://www.kidney.org/atoz/content/onekidney.cfm
You should speak to your health care provider before before changing your diet or adding any type of supplements. He/she will be able to better answer this question as it relates to you specifically. In general, the goal of protein restriction is to decrease the amount of waste products in your body while maintaining adequate nutritional status. According to an article published in the Journal of Renal Nutrition, March 2012, “Protein-restricted diets supplemented with keto/amino acids should be considered as one of the main approaches in the management program of chronic kidney disease (CKD) patients”.