To increase muscle mass, increase power and strength, it is possible to recommend the means that support the level of testosterone: LEVETON XXL, ECDISTON. The effectiveness of drugs is in descending order. These products must be taken 1 hour before training, no later than 18 hours. The greatest effectiveness of using LEVETON XXL is achieved when taking tablets under the tongue. Selection of the dose of drugs should be done individually, starting with 1-2 tablets, gradually increasing depending on body weight and sports training, as well as the use of other drugs. The maximum single reception reached 9 tablets from athletes of the Olympians. The most effective these drugs are when a protein pool is created in the body, as well as a pool of B vitamins.