• Our test - Xenoandrogens: how effective are they?

    Aim of the study: The xenoandrogens emerged only recently and gained significant popularity among bodybuilders. Their proponents claim that xenoandrogens are substances very similar to anabolic steroids in their effects but much less harmful to human health. Such claims can be often heard from …

  • Our test – Casein before sleep: does it help or not?

    Aim of the study: It is a widespread belief among bodybuilders that use of casein before the sleep helps protein synthesis in the night or at least stops catabolic processes. The rationale behind this belief is as follows: since the metabolism slows down but doesn’t completely stop during …

  • Our test – Creatine: which form is the best?

    Aim of the study:Hundreds of clinical trials have been conducted with creatine, with most of them (but by far not all of them) supporting the assumption that creatine supports muscle growth. Almost all of those studies have been conducted with creatine monohydrate. Various claims have been made …

  • Our test – whey vs. whey & casein

    Whey protein is today the dietary supplement of choice for most athletes striving to maximize lean muscle growth. Many scientific studies confirmed the superiority of whey protein in various forms (usually isolate or hydrolizate) over other types of protein, especially soy protein and casein. …