Proper plans can help you gain muscle mass fastest. To Boldenone , 300 to 500 mg per week is good for the beginners. Who has used this drug for a time, 500 to 700mg per week is need. To the professional bodybuilders, athletes, performers, who have more experience, they don’t prefer Boldenone for a much higher dose, because it doesn’t work and may cause catastrophe harm to health. Steroids have some negative effects which you must be aware of them. Only one worng dose can cause big consequences and make you regrettable.