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12 Foods That Can Worsen Kidney Function

This article is for general information and is not a substitute for professional medical advice. Talk to a qualified health provider about your situation.

Graphic illustration of a stack of melting American cheese slices alongside a phosphate chemical model and text callouts.
The human digestive system rapidly absorbs inorganic phosphate additives found in processed cheeses at rates between 90% and 100%.

7. Ultra-Processed Cheeses

American cheese slices, processed cheese spreads, and canned dips contain heavy doses of sodium and inorganic phosphate additives. The human digestive system absorbs these industrial phosphates at rates between 90% and 100%.

This rapid influx spikes blood phosphorus levels, disrupting calcium balance and stiffening renal microvessels. Natural cheeses contain phosphorus bound organically to proteins, which is absorbed far less efficiently.

Choose modest servings of fresh mozzarella or Swiss cheese, which naturally contain far less sodium and chemical phosphorus.

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