man if you just jumped into 100 mcg you'd feel like you were going to die. I bought 3 bottles of it and 1 was 200 mcg per ml while the rest were 100 mcg per ml. First crack of it, I did a full CC and got a full 200 mcg...
Now, I'm wearing 4XL teeshirts to keep the gains under wraps so I can do a come back like LL Cool J

but man, 2nd set in on chest I had to go home. Got light headed and felt like I was going to die... plus my entire shirt was drenched in sweat after 20 minutes.
high dose: A heart attack, highly unlikely. Feeling like crap, very likely.