Losing weight fast without exercise can be challenging, but there are several natural methods that have been proven to work. Here are some ways to lose weight without exercise:

1. Eat more protein: Protein is the king of nutrients when it comes to weight loss. Eating a high-protein diet can boost metabolism by up to 80-100 calories per day.

2. Limit processed foods: Highly processed foods are often high in added sugars, fats, and calories. Limiting these foods can help with weight loss.

3. Drink more water: Drinking water before meals can help reduce the amount of food consumed, without significantly affecting satiety.

4. Chew slowly: Chewing your food thoroughly makes you eat more slowly, which is associated with decreased food intake, increased fullness, and smaller portion sizes.

5. Eat more fiber: Fiber is particularly helpful in reducing appetite and food intake. This fiber forms gel that slows down digestion.

6. Drink green tea: Green tea is rich in antioxidants and has been found to aid in weight loss.

7. Incorporate natural ingredients into your diet: Several natural ingredients have been scientifically proven to boost metabolism and aid in weight loss, such as ginger and lemon.

8. Get enough sleep: A good nights rest is essential for general health and weight maintenance.

Its important to note that supplements and herbal remedies for weight loss are not regulated by the FDA and may have health risks. Its always best to talk with your doctor before trying any supplements or herbal remedies.