If someone weighs 300lb's then they are probably weigh 100+ pounds more than their goal weight which works out to around 350,000+ calories. Fixing that would take not eating for 3 months or a long term solution like 45 minutes of exercise a day.
Chances are if she keeps that up for 1-2 years she will have lost a lot of weight but nothing is a magic bullet at that level of weight.
Sure there is no quick fix. I am just worried that people will lull themselves into feeling they are doing something, while they still remain dependent on the pharmaceutic industry. Which would be exactly what the pharmaceutic industry would like.
Chances are if she keeps that up for 1-2 years she will have lost a lot of weight but nothing is a magic bullet at that level of weight.