The addition of flaxseed slowed the onset of type 2 diabetes in animal studies as well as protecting kidneys from the usual damage as a result of diabetes. (ahealthblog.com)
One study suggests that apple cider vinegar helps protect the kidneys and liver against oxidative stress... in mice. (fitbodyhq.com)
Two studies have shown that high levels of resistant starch protected kidney function and improved Vitamin D metabolism in the kidneys in animal models of type 1 and type 2 diabetes. (resistantstarchresearch.com)