judo is right.
i would google high altitude training if you want to boost your endurance and learn about what EPO is and how oxygen and RBC count effect your endurance.
running AAS will be counter productive to your goals.. I know cause I tried it myself, gotta trust the experience of others.. but like i said do your own DD and you will get your own answers
i would google high altitude training if you want to boost your endurance and learn about what EPO is and how oxygen and RBC count effect your endurance.
running AAS will be counter productive to your goals.. I know cause I tried it myself, gotta trust the experience of others.. but like i said do your own DD and you will get your own answers