Endura Mass is a very good & useful product avaiable at low rates.It is easily avaiable with the market.It is more benefical for young children.with its use we can easily increase the weight 5kg.If we while using it, we also eat 2Bananas and this gives us more benefits.The Endura Mass gives our body energy.According to me, by eating 2 boxes ( 2package) we know about its multiplication become I have done this experiment myself.