To lose a pound of fat, you must create a calorie deficit. Photo Credit deeepblue/iStock/Getty Images. Excess body weight is a widespread problem in the United States, since roughly 7 in 10 adults are either overweight or obese.
Taking Herbs and Supplements. 1  1. Drink herbal teas that improve liver health. There are many herbs that have been traditionally used to support liver function. 2  2. Cook with garlic and turmeric. These herbs not only taste delicious, but are also known to improve liver health. 3  3. Take antioxidant supplements.
Best Foods to Increase Kidney Function. To improve kidney function, treatment should help the kidneys repair damaged renal tissues. Certain food that are said to increase kidney function actually just help prevent some symptoms rather than solving the underlying problem.