What are the side effects of hydroxycut hardcore?

Why? Why would you pay money to put unknown chemicals in your body when you don't know what they are, what they're supposed to do or what kinds of problems they could cause. They won't help you, but can harm you. Why waste your money on that? Don't get your medical information from friends, tv or the internet. Try healthy diet, exercise instead.
Palpitation, chest. Pain, nausea, vomiting, stomach upset, diarrhea, dizziness etc. Check your blood pressure before u take it (normally below 130/85) take care!