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The answer to that might be more complex than it seems since nootropic supplements are still controversial in the scientific community
What the Evidence Does Not Tell Us Transparency about evidence gaps matters
Experiment to find what works for you
We also benefited from the ABCD Classification system developed by the Australian Institute of Sport (AIS), which ranks sports foods and supplement ingredients into four groups according to scientific evidence and other practical considerations that determine whether a product is safe, permitted, and effective in improving sports performance [11], as well as the information provided by the organizations of thirdparty certification and testing of dietary and/or food supplements
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