Some people may find gaining weight just as difficult as losing weight is for others.

Nowadays everyone is behind weight loss programs. But at the same time, there are many people struggling with weight gain. Gaining weight is not difficult and can be achieved easily by changing some dieting principles. Certain simple calculations and lifestyle changes can collect impressive results. 

Although being thin can often be healthy, being underweight can be a concern if it's the result of poor nutrition or have other health concerns. Every individual is different, and a body weight for one may not be appropriate for another. So, if you're underweight consult a doctor and plan on how to meet your weight goal.

All of these mentioned processes are tried-and tested ones. Implement these rules and see your body transform in no time.

1.Eat more frequently

When you're underweight, you may feel filled faster. Eat five to six smaller meals during the whole day rather than two or three large meals per day.

2.Intake nutrient-rich foods

As part of an overall healthy diet, choose whole-grain breads, pastas and cereals; fruits and vegetables; dairy products; lean protein sources; and nuts and seeds.Have a balanced diet when you eat.

3.Try homemade smoothies and shakes

Don't fill up on soda, coffee and other drinks with few calories and little nutritional value. Instead, drink homemade smoothies or healthy shakes made with milk and fresh or frozen fruit.In some cases, a liquid meal replacement may be recommended.

4.Care when you drink

Some people find that drinking liquids before meals dulls their appetite. In that case, it may be better to drink higher calorie beverages along with a meal or snack.

5.Make every second count 

Snack on nuts, cheese, dried fruits and other high calorie snacks. Have a bedtime snack, such as a peanut butter and jelly sandwich, or a wrap with lot of calories.

6.Treat yourself

 Even when you're thin, be mindful of excess sugar and fat. An occasional slice of pie and bowl of ice cream is OK. But most treats should be healthy and provide nutrients to the body along with calories.

7.Use large dish

Use large plates and dishes if you are trying to get in more calories, this will increase the intake of good nutrients and help the body to increase weight faster.

8.Good sleep

Sleep is very important for muscle growth and weight gain.

9.Don't smoke

Smokers usually experience weight loss. Quitting smoking can lead to weight gain.

10.Exercise

Exercise, especially strength training and weight lifting can help you gain weight by building up your muscles. Exercise may also stimulate your appetite which also helps with intake of more calories.