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</html><thumbnail_url>https://supplementdatabase.com/articles/wp-content/uploads/2019/04/endurance.jpg</thumbnail_url><thumbnail_width>900</thumbnail_width><thumbnail_height>600</thumbnail_height><description>There are fundamental problems with supplementing creatine in order to improve aerobic performance. While creatine definitely helps improve anaerobic performance, there is much less evidence to suggest it does the same in an aerobic environment.</description></oembed>
