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buffering agentssubstances which when ingested induce alkalosis and so counteract and limit reduction in pH during exercise. Important agents include sodium bicarbonate and sodium citrate; the minimum dose for improvement in performance is about 2 g.kg-1 body mass. See also ergogenic aids; appendix 4.4 .
the action produced by a buffer.
amongst other uses these substances play a part in dairy cattle nutrition by helping to prevent damaging ruminal acidity on high grain rations. Sodium bicarbonate and magnesium oxide are the preparations most commonly used.