Dietary supplements in fitness - do they work?

The are many types of dietary supplements in fitness, a simple Google search will confirm that. Many athletes - no matter if they are high or low performance athletes - take some type of dietary supplement. Research suggests that more men than women use dietary supplements to improve their performance, furthermore individual athletes are more likely to use dietary supplements compared to team athletes (Giannopoulou et al, 2013). However, does it really work?

Wilborn et al (2013) found in their study that combining pre- and post exercise protein supplementation with resistance training significantly enhances the performance and body composition. Furthermore, it was discovered that there is no difference in the performance-enhancing effects between whey and casein proteins. This is just one study, however, it clearly suggests that protein supplement does indeed work.

Pritchett et al (2009) researched the effects of chocolate milk verses commercial beverage as potential recovery drinks for high intensity training. Both drinks were, among others, equally effective in decreasing muscle soreness. It appeared that overall there was no difference between chocolate milk and the commercial beverage as potential recovery. The recovery drink did have the intended recovery effect, therefore, it did work. However, the study also suggests that chocolate milk has the same effect for recovery.

These findings all indicate that some dietary supplements in fitness do work. However, it might be worth determining your needs before buying every single kind of supplement in the market.

1. Giannopoulou, I.; Noutsos, K.; Apostolidis, K.; Bayios, I.; and Nassis, G.P.; Performance Level Affects the Dietary Supplement Intake of Both Individual and Team Sports Athletes, Journal of Sports Science and Medicine, 2013, 12

2. Pritchett, K.; Bishop, P.; Pritchett, R., Green, M.; and Katica, C.; Acute effects of chocolate milk and a commercial recovery beverage on post exercise recovery indices and endurance cycling performance; Applied Physiology, Nutrition & Metabolism, 2009, 34

3. Wilborn, C.D.; Taylor, L.W.; Outlaw, J.; and Williams, L.; The Effects of Pre- and Post-Exercise Whey vs. Casein Protein Consumption on Body Composition and Performance Measures in Collegiate Female Athletes, Journal of Sports Science and Medicine, 2013, 12


  1. They are very useful for your health, like diets.I want to recommended you one web site with the great numbers of different shakes and flavouring qualities.


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