For your height, a healthy weight range is approximately 50–68 kg. Based on your current weight, you may need to gain at least 10 kg to move towards a healthier BMI.
However, your genetic background and family history also play a role in determining your natural body build. If your parents or other family members tend to be lean, this may partly explain your physical appearance.
While the medicines and nutritional supplements you mentioned may be helpful in certain circumstances, they alone may not be sufficient for healthy weight gain. It requires a comprehensive approach that combines appropriate nutrition, good digestive health, physical activity, and medical guidance.
Next Steps
If you consult me, I can evaluate your present diet and guide you on how to improve it, including what foods to add, which dietary changes may be beneficial, and whether any additional nutritional supplements are necessary.
Exercise is equally important, particularly strength training, as it helps build muscle mass rather than simply increasing body fat.
Health Tips
Focus on improving your digestion, ensure adequate nutritional intake, and assess your current dietary habits.