If i get to 120mcg/ed I feel like death !! just a total body funk like i have the flu realy bad ro somthing.
100mcg/ed i can tell i'm pushing the edge , shakes bad sweat like an animal dont feel to good
80mcg/ed I feel great , very light shakes but thats generaly when its close to time to eat so it could be blood sugar also.
I think it just depends on how your body handels it , my wife can take 100mcg/ed with no problem and i out weigh her but 125lbs