soda loading

so·da load·ing

a procedure adopted by a number of athletes of ingesting sodium bicarbonate in an attempt to buffer the production of protons during exercise.
The ingestion of multiple carbonated beverages 2–3 hours before an athletic event, in particular 400-, 800-, and 1500-meter races, which is based on the premise that increased serum bicarbonate delays the onset of lactic acidosis

soda loading

Sports medicine The ingestion of multiple carbonated beverages 2-3 hrs before an athletic event; an ↑ in serum bicarbonate may delay the onset of lactic acidosis