Is test ok to use for improving endurance?

[eatmyass]

i work out a little but not hardcore liek most of you so test ill improve my strength on the gym but this is more for improving my endurance and time is test ideal for this? I'm talking about adding 2 extra miles on my run plus improving my time. what do you guys think? test prop more ideal for this? and shpould it be lw dose since its more for what i mentioned instead of BB?