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Hyper-hydrating with Glycerol for Extreme Heat or Cold

First part of our “Nutrition for extreme adaption series”

We briefly discuss the following peer reviewed research on Glycerol loading.

J Appl Physiol (1985). 1995 Dec;79(6):2069-77.
Glycerol hyperhydration: hormonal, renal, and vascular fluid responses.

J Appl Physiol (1985). 1987 Dec;63(6):2262-8.
Hyperhydration with glycerol solutions.

J Appl Physiol (1985). 2005 Aug;99(2):515-21. Epub 2005 Apr 7.
Glycerol hyperhydration: physiological responses during cold-air exposure.

Int J Sport Nutr Exerc Metab. 2002 Mar;12(1):105-19
The effect of glycerol hyperhydration on olympic distance triathlon performance in high ambient temperatures.

Of Note: Did not get time to mention

J Int Soc Sports Nutr. 2012 Jun 22;9(1):29.
Thermoregulatory and cardiovascular responses to creatine, glycerol and alpha lipoic acid in trained cyclists

Med Sci Sports Exerc. 1990 Aug;22(4):477-83.
Effects of glycerol-induced hyperhydration prior to exercise in the heat on sweating and core temperature.



What is the difference between Glycerin and Glycerol?

• Glycerin is the commercial term for a sample containing more than 95% glycerin.

• Therefore, glycerin does not purely contain glycerol.

• The usages of two are quite different. Glycerol is used for medical applications, scientific purposes where pure glycerol is needed. And glycerin is used in cosmetic and day-to-day products.

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