An important fact to recognize is that the poor body weight cannot be rectified without treating or solving the underlying medical condition; nevertheless, the ‘underweight’ itself is more difficult an issue to be managed than gaining weight. In fact, it demands more stringent changes in lifestyle than one can expect in other body weight issues.

• Eating high calorie meals is important to increase body weight
• Big portion meals at a time may not be compatible to poor appetite especially for underweight people
• Smaller frequent meals are preferred for better result
• While meals of high calorie are essential, rich protein content is key (whole grains, good fat e.g., oils, nuts)
• Additionally, if preferred, lean protein and salads can be a good addition
• Protein with vitamin supplements are good sources for extra amino acids and are easily digestible
• These meal replacements or top-up protein drinks provide higher calories with good protein sources, which is better for food avers people or of poor appetite (especially during recovery from illness or surgery) and are ideal to build body mass