Epistane - Lethargy

Guys,
 
    I am on day 2 of a 5 week course of epistane + 3-AD stack, this week i am on the epi only and will bring the 3-AD into the mix next week. Started the dosing off small i.e 20mg a day split over 2 doses (1 breakfast, 1 pre-training) but will ramp it up to 30mg on weeks 3-5 but one thing i have noticed so far is i seem to be extremely tired and dare i say it 'ill' feeling it has kind of subsided now but got it last night and continued throughout today up till now (but still feel a little tired more than normal) is this normal any other experiences, what is this due to? I am on a bulk so it cant be due to calorie deficiancy plus i have stopped cardio?

Also wish to add that i have so far trained chest on Monday and done shoulders & traps today and the pumps were definately more intense than normal especially on chest and i seem to look a little leaner/defined - i know its very vey early days but loving it so far.