Goto the website http://www.trimdownclub.com/contact-us/
Navigate down the page and find the contact form
Enter in your information where requested and request cancellation immediately
Request that the agent emails you confirmation or gives you a verbal confirmation code
Do not consider your account cancelled until you receive an email back. You may be asked if you are sure you want to cancel. If so, respond affirming your desire and wait for a confirmation that your account has been cancelled.