Are there any side effects with using Musclean long term? I've been using it for a couple of years now (5 days a week/2-3 pills each morning before my workout). Could it possibly shut down production of the thyroid and actually cause you to gain weight? This is the problem I'm having right now. I noticed 5lbs come on over the past month and I don't think my diet or exercise is the cause. Anyone else experienced this after using supplements for a long time?

Is this supplement supposed to affect your thyroid? (speed up your metabolism?) Thyroid disease runs in my family and my mother's dr. said that any supplement that directly effects your thyroid gland (gives it an articial boost) can effect the function of your gland when you stop using it. That's why I steer clear of any stimulates like this.