Do you see the box near the top of the page?
The one labelled 'Search for questions: '?
Well type in 'lose weight'.
You will find over 23,000 pre-existing questions.
Try the misspellings 'loose weight' and there are another 6,500.
In all there are over 70,000 Health section questions requesting solutions to being or thinking you might be overweight.
On average these each yield 6 answers, that is over 420,000 answers.
I can usefully summarise these answers in 4 words:
EAT LESS DO MORE. Are you desperate enough to try this???
GP for more years than I care to remember