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A gainer is a bodybuilding supplement usually comprised of both high and low glycemic carbohydrates and protein (usually in the form of calcium caseinate, milk and whey protein) and often other nutrients such as certain vitamins and minerals. Gainers are used by bodybuilding and strength athletes, both amateur and professional alike.

When preforming intensive exercise the stress can cause the release of hormones such as cortisol in order to quickly make available energy to the body. Cortisol forces breakdown of glycogen, protein (muscle) and fat deposits which are used in gluconeogenesis. Gainers seek to combat this effect after (and sometimes during) an exercise routine.

Higher glycemic carbohydrates will prompt a steep rise in blood glucose, forcing an equal release of insulin by the body to counter the longterm negative effects of high blood sugar, inhibiting the effects of cortisol. Some of the carbohydrates are immediately absorbed by the muscles without insulin. The rest is stored as glycogen in the liver and muscles.

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-A '''gainer''' is a workout supplement usually packed with simple [[carbohydrates]] and [[whey protein]], and often other [[nutrients]] such as certain [[vitamins]] and [[minerals]]. Gainers are a popular product among strength athletes, amateurs and professionals alike, due to their beneficial effects on recovery.
+A '''gainer''' is a [[bodybuilding supplement]] usually comprised of both high and low [[glycemic]] [[carbohydrates]] and [[protein]] (usually in the form of calcium caseinate, milk and [[whey protein]]) and often other [[nutrients]] such as certain [[vitamins]] and [[minerals]]. Gainers are used by [[bodybuilding]] and strength athletes, both amateur and professional alike.
-When a person performs heavy exercise, the body perceives that there is stress and so releases [[hormones]] such as [[cortisol]] in order to quickly make available energy to the body. Cortisol forces [[Glycogenolysis|breakdown of glycogen]], protein (muscle) and fat deposits which are used in [[gluconeogenesis]]. Gainers, then, seek to combat this effect after (and sometimes during) an exercise routine. The simple carbohydrates will prompt a steep rise in blood glucose, forcing an equal release of [[insulin]] by the body to counter the longterm [[Hyperglycemia|negative effects of high blood sugar]], inhibiting the effects of cortisol. Some of the carbohydrates are immediately absorbed by the muscles without insulin. The rest is stored as [[glycogen]] in the liver and muscles. Insulin also increases protein synthesis, and with the great bioavailability of whey protein, repair of muscular microtrauma can begin immediately after workout.
+When preforming intensive exercise the stress can cause the release of [[hormones]] such as [[cortisol]] in order to quickly make available energy to the body. Cortisol forces [[Glycogenolysis|breakdown of glycogen]], protein (muscle) and fat deposits which are used in [[gluconeogenesis]]. Gainers seek to combat this effect after (and sometimes during) an exercise routine.
+Higher [[glycemic]] carbohydrates will prompt a steep rise in blood glucose, forcing an equal release of [[insulin]] by the body to counter the longterm [[Hyperglycemia|negative effects of high blood sugar]], inhibiting the effects of cortisol. Some of the carbohydrates are immediately absorbed by the muscles without insulin. The rest is stored as [[glycogen]] in the liver and muscles.
+{{bodybuilding-stub}}
 [[Category:Bodybuilding supplements]]