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10 Antioxidant Foods for the Kidney Diet

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Fresh, colorful and kidney-friendly fruits and vegetables aren't just good; they're good for people with chronic kidney disease (CKD). Powerful compounds called antioxidants found in certain foods may help protect you against other diseases such as cancer, heart disease, Alzheimer's and Parkinson's disease.

Antioxidants neutralize harmful molecules in your body called free radicals, the normal yet damaging byproducts created when your body produces energy, fights infection or is exposed to toxins. Antioxidant vitamins A, C and E available in supplement form can be harmful to people on dialysis, though many take a renal vitamin supplement that contains 60-100 mg of vitamin C per day as recommended by their doctor.

One of the best ways to get antioxidants is through food. Dietitians use colors in fruits and vegetables to identify antioxidants, which include:

  • Red/Purple = Anthocyanins, polyphenols, resveratrol
  • Red = Lycopene
  • Orange = Beta-carotene
  • Orange/Yellow = Cryptoxanthin, flavonoids
  • Yellow/Green = Lutein, zeaxanthin
  • Green = Indoles, sulforaphanes, lutein
  • White/Green = Allyl sulphides, quercetin

Here are 10 colorful, high-antioxidant foods for the kidney diet.

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