Your symptoms suggest that your body may not be getting enough nutrition or may have an underlying health issue affecting your energy, appetite, and weight. Low haemoglobin can cause weakness, poor stamina, dizziness, and low appetite, while low blood pressure and low water intake may also make you feel tired and weak. Having a thin body with belly fat is sometimes seen when muscle mass is low and physical activity is limited. To improve your health and gain weight in a healthy way, focus on eating small but frequent meals rich in protein, iron, and healthy calories. Include foods such as milk, curd, paneer, eggs, nuts, dates, green leafy vegetables, fruits, sprouts, dal, chicken, fish, soy products, and whole grains in your daily diet. Iron-rich foods, along with vitamin C sources like lemon or oranges, may help improve haemoglobin levels. Try to drink water regularly, even if you do not feel thirsty, because dehydration can worsen weakness and low blood pressure. Homemade shakes, smoothies, dry fruits, peanut butter, and protein-rich snacks between meals may help increase calories naturally. Light strength exercises, walking, and proper sleep can help build muscle and reduce unhealthy belly fat over time. Avoid skipping meals, excessive junk food, smoking, or late-night sleeping habits. Since persistent low appetite, anaemia, or unexplained thinness can sometimes be linked to thyroid problems, vitamin deficiencies, digestive disorders, infections, or other medical conditions, it would be a good idea to consult a doctor for a general health check-up and blood tests. A doctor or dietitian can guide you about iron supplements, vitamins, or nutrition plans based on your body's needs.

A healthy whole-day diet should include a balance of carbohydrates, proteins, healthy fats, vitamins, minerals, and enough fluids to keep the body energetic and improve appetite naturally. Start your morning with warm water and a light breakfast such as eggs, idli, dosa, oats, poha, or whole wheat bread along with milk, curd, nuts, or fresh fruits like banana, apple, or papaya. Mid-morning, you can have fruit juice, coconut water, sprouts, or dry fruits for extra nutrition. Lunch should include chapati or rice along with dal, green vegetables, curd, salad, and a good protein source such as pulses, paneer, eggs, fish, or chicken. In the evening, take light snacks like roasted nuts, soup, boiled corn, or fruit instead of oily fast foods. Dinner should be simple and easy to digest, such as chapati with vegetables, khichdi, dal rice, or soup with protein-rich foods. Drinking enough water throughout the day and eating meals at regular timings can help improve digestion and appetite. Light exercise, walking, proper sleep, and reducing stress may also help increase hunger naturally. Avoid skipping meals, excessive junk food, smoking, or too much tea and coffee because these can reduce appetite and affect nutrition. If poor appetite, weakness, or weight loss continues for a long time, it is important to consult a doctor because conditions such as vitamin deficiencies, stress, stomach problems, or other illnesses may need proper evaluation and treatment.