Water weight will come off the easiest and fastest. It is best to lose “fat” weight slowly, about 2-3 pounds per week to keep it off.
That will be determined through an evaluation.
Finding a weight loss program that is right for you may be hard. It should be one that is not just a diet but a lifestyle change that can continue forever.
When you first start the eating plan, what comes off first is water weight. Food allergies can increase this water weight so t is important to know what you are allergic to before you start.
Most studies find that eating less carbohydrates and more frequent protein, works the best. Following this type of eating plan is easier and less stressful as well. https://blockcenter.com/safe-effective-weight-loss-programs/