Unlike some of the modern-age training supplements that are marketed with little scientific backing for the claims advanced as to effectiveness, there is no scientific question concerning the benefits of salt, and particularly sodium, for athletes involved in warm weather sports. For more than 50 years, salt tablets have been a staple in North American preseason football training camps, which are often held in the heat of July and August.
Formed into salt tablets, salt was used by laborers in warm, heavy industrial environments of North America in the late 1800s it was also provided to soldiers by a number of national armies during World War II to assist combatants in dealing with dehydration in hot jungle and desert environments. The effect on the function of the body of one of salt's constituent elements, sodium, has been well understood for at least two centuries. Salt in its natural mineral form is one of the oldest known diet supplements.
The simple salt tablet is a decidedly "old school" athletic supplement. In the modern era where sport technology has played such an important role in the training programs formulated for both elite competitors and recreational athletes seeking a personal best, sophisticated sports drinks and gel products abound in the nutritional supplement market.
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