You can find info like this in the "faq" section at the bottom of the page.
"How do I cancel or delete my account?
Only FatSecret can cancel or delete member accounts. If you would like to cancel your account, please email us at firstname.lastname@example.org
. Please note that all your entries on the site such as posts, journal entries, tips and comments may continue to be shown."
Someone who is busier than you is working out right now.
There will come a day when you can no longer do this. Today is not that day.