In general, I don't believe more than a 1% drop in body weight per weeks is a good idea. Rapid weight loss isn't necessarily a problem in itself, but the issues that you may develop along the way are. There's a good chance you'll develop an eating disorder, which is super counterproductive long term.
How much weight can a person lose safely? Eating habits and exercise play a key part in losing weight safely. The CDC state that a person can safely and effectively lose about 1-2 lb a week.

It's best to aim for losing 1 to 2 pounds per week. This is more likely to be a sustainable loss, especially if you achieve it by eating a balanced diet and exercising.

Experts recommend reducing about 0.5 kg of weight every week, which equates to two kilos per month. Consume a diet with a calorie deficit, exercise frequently, and maintain a healthy diet to achieve this. It's regarded as good to lose between 1.5 and 2.5 kilograms of weight from your body in a month. How To Lose 2kg Per Month Through Exercise? Agreed nutritionist and lifestyle educator, Karishma Chawla, who added that losing more than 2-3 kgs a month is also possible; "all it takes is to understand the relationship between your body and food," she told indianexpress.com. Elucidating, she shared two aspects: .