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Powerful is an online retailer based in Dublin that provides the best nutritional supplements and superfoods for those who have the ability. Powerful is also an Onnit distributor in Ireland. Powerful offers Shroom TECH Sport. The idea behind Shroom TECH Sport is to create a supplement that makes real athletes safe to take every day-even on the day of the game. They want clean energy, ingredients with a history of use at high levels of competition, and general health benefits; they believe they found it in an exclusive combination of cordyceps mushrooms, adaptogens, antioxidants, and methyl B-12. Shroom TECH Sports Formula is based on a well-studied Cordyceps mushroom. This mushroom has been tested in several clinical studies, some of which have shown a 50% increase in endurance, fatigue resistance and oxygen utilization.