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Estimated acid-producing potential of selected foods. Potential renal acid load (PRAL) of selected food items (per 100g serving) is adapted from estimates performed by Remer (22), and calculated as: PRAL (mEq/d) = 0.49 × protein (g/d) + 0.037 × P (mg/d) − 0.021 × K (mg/d) − 0.026 × Mg (mg/d) − 0.013 × Ca (mg/d).
