Use your internet browser to visit http://www.trimdownclub.com/contact-us/
Go down to find the contact form
Now put in your info where it asks for it and request cancellation immediately
Ask for documentation that you contacted them
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.
As usual, just in case, keep the proof that you’ve cancelled handy.