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Dear Shweta, Thank you for the question

WHO has given different BMI (Body mass index) classifications to categorise adults into different weight categories. BMI is a simple index of weight-for-height. It can be considered as a 2nd level indicator of overall health.

It can be calculated using a simple formula of BMI = Weight (kg) / Height (m²)

Following is the WHO BMI Classification

18.5 to 24.9 - Normal

Less than 18.5 - Underweight

25 to 29 - Overweight

Above 30 - Obese



As per WHO BMI (Body Mass Index) classification, a person weighing less than 18.5 kg/m2 is considered underweight.



The causes of underweight or unintended weight loss can be due to genetics, inadequate food intake, stress, hormonal imbalance, malabsorption or other underlying health condition which may require medical assistance.



An ideal weight management program such as weight gain involves lifestyle management including dietary modification, regular physical activity, hydration and good sleep cycle. With any weight gain diet, changes take time to reflect as your body requires sufficient time to adapt to the changes in order to show results.



A high calorie and high protein diet is recommended for weight gain. Daily protein requirement should ideally be followed as 0.8-1g protein per kg body weight. Some of the sources of high protein include pulses, lentils, milk, paneer, soybean, eggs, lean meat, nuts & seeds etc.

Here are few guidelines that can be considered for weight gain

• Having a Healthy Diversified Balanced Diet that includes all the food groups in the right quantity which thereby provides you with all the essential macro and micro nutrients that your body requires daily for proper functioning. Include energy dense foods, keeping in mind the daily needs.
• Maintain a positive energy balance where the calorie intake should be more than the energy expenditure.
• Include energy dense foods, keeping in mind the daily needs. Some of the energy dense   foods include Whole wheat, multigrain millets, dairy products, nuts, colocasia leaves, banana, raisins, pulses/lentils etc.
• Do not skip meals. Eat small frequent meals.
• Three major meals a day with healthy nutritious snacks in between is preferred.
• Try to increase the serving size and portion size gradually and systematically
• Include healthy fats from nuts and seeds.
• Drink at least 8 glasses of water per day to maintain hydration
• Indulging in physical activity can help in increasing the appetite and give a feeling of hunger.
• Try to follow a good sleep regimen in terms of both quantity and quality.

For a customised and personalised meal plan for specific conditions, please contact your Health care professional.

Hope we have answered your query.

Wishing you a great day ahead

Dear Prateek Kumar, Thank you for the question

Weakness, fatigue or lethargy can be due to insufficient or inadequate dietary intake, dehydration, nutritional deficiency or can be a symptom of any underlying health condition which requires medical attention.

Food is an essential component of living healthy. Our body and minds cannot survive without right proportion of micronutrients and macronutrients. A healthy diet is very important for our energy, wellbeing, to ward off diseases, immunity, etc. One of the key aspects of living a happy healthy life amongst many others is to enjoy food which is healthy, delicious and consumed in right proportions and in a mindful manner.

Adolescence or teen age is acritical period of our lives in which our body undergoes rapid changes, growth and development. It is very essential to consume a healthy balanced diet with adequate amount of protein and other nutrients such as calcium, iron, vitamin D etc., which will help support growth, development, pubertal changes and strong bones.

Reference ideal body weight for 16-year-old male can be considered as 48-60.6kg with 160.9-175.7cm height.

Immune system, a network of intricate stages and pathways in the body, protects us against these harmful microbes as well as certain diseases. It recognizes foreign invaders like bacteria, viruses, and parasites and takes immediate action. factors that can depress the immune system are Environmental toxins (smoke and other particles contributing to air pollution, excessive alcohol), Obesity, Poor diet, Chronic mental stress, Lack of sleep and rest.

However, a balanced diet consisting of a range of vitamins and minerals, combined with healthy lifestyle factors like adequate sleep and exercise and low stress, most effectively primes the body to fight infection and disease.

Here are few tips to help boosting the immunity

• A high-fiber diet with plenty of fruits, vegetables, whole grains, and legumes appear to support the growth and maintenance of beneficial microbes. Certain helpful microbes break down fibers into short chain fatty acids, which have been shown to stimulate immune cell activity.
• Gut microbiota helps regulate metabolism and energy balance, consume banana, garlic, yogurt, buttermilk etc., which are good sources of probiotics and prebiotics to maintain healthy gut.
• Zinc, selenium, iron, copper, folic acid, and vitamins A, B6, C, D, and E play a vital role and help the immune system in several ways: working as an antioxidant to protect healthy cells, supporting growth and activity of immune cells, and producing antibodies.
• Include protein in your diet as it helps support the immune system. Some of the sources include pulses, lentils, milk, paneer, soybean, eggs, lean meat, nuts & seeds, etc.  

A balanced diet is one which provides all the nutrients in required amounts and proper proportions. It can easily be achieved through a blend of the four basic food groups. The quantities of foods needed to meet the nutrient requirements vary with age, gender, physiological status and physical activity. A balanced diet should provide around 50-60% of total calories from carbohydrates, preferably from complex carbohydrates, about 10-15% from proteins and 20-30% from both visible and invisible fat.

Here are a few general Dietary guidelines to be considered for adolescent nutrition.

• Adolescence represents a period of active life, hence no meal of the day should be missed to sustain energy and growth spurts
• Having a Healthy Diversified Balanced Diet that includes all the 5 food groups (cereals, pulses, fruits, vegetables, milk & milk products) in the right quantity which thereby provides you with all the essential macro and micro nutrients that your body requires daily for proper functioning.
• Begin your day with a well-balanced breakfast as it is an important meal of the day.
• Consume minimum 4 servings of vegetables and 1 serving of fruit as they are rich in Fiber, essential minerals & Vitamins as well as they give you a feeling of satiety.
• Food should be colourful and attractive.
• Avoid empty calories from foods such as carbonated beverages.
• Iron rich foods should be included in the diet to prevent iron deficiency anaemia. Some of the sources of iron include red meat, green leafy vegetables, eggs, etc
• Calories and protein rich foods should be taken to support the growth spurt. Some of the good sources of protein include, milk, paneer, lean meat, eggs, lentils, soybean, nuts etc.
• Include fruits and vegetables to meet the vitamin, minerals and fiber requirement.
• Try to consume more of Whole grains, Millets and Multigrain foods as they are a good source of fiber.
• Limit intake of deep-fried foods.
• Minimum of 6-8 glasses of water should be consumed to keep yourself hydrated.
• Have your last meal at least 2-3 hours before Bed time.
• It is necessary to engage in physical activity particularly outdoor games. Physical activity regulates appetite. Engage in at least 60 minutes of moderate physical activity throughout the week.
• Try to follow a good sleep regimen in terms of both quantity and quality.

For a customised and personalised meal plan for specific conditions please contact your Health care professional or any registered dietician.

Hope we have answered your query.

Wishing you a great day ahead.

Dear Biswarup saha, Thank you for the question

Adolescence or teen age is a critical period of our lives in which our body undergoes rapid changes, growth and development. It is very essential to consume a healthy balanced diet with adequate amount of protein and other nutrients such as calcium, iron, vitamin D etc., which will help support growth, development, pubertal changes and strong bones.

Reference ideal body weight for 15-year-old male can be considered as 44.9-58.1 kg with 158.1-174.5 cm height.

The causes of underweight or unintended weight loss can be due to genetics, inadequate food intake, stress, hormonal imbalance, malabsorption or other underlying health condition.

In any weight management programme, it is very essential to consume a healthy diversified balanced diet with few dietary modifications and regular physical activity. For weight gain it is essential to focus on your daily balanced diet with high calorie, high protein and regular meals. With any weight gain diet, changes take time to reflect as your body requires sufficient time to adapt to the changes in order to show results.

A high calorie and high protein diet is recommended for weight gain. Daily protein requirement should ideally be followed as 0.8-1g per kg body weight. Some of the sources of high protein include pulses, lentils, milk, paneer, soybean, eggs, lean meat, nuts & seeds etc.

Here are a few general Dietary guidelines to be considered for weight gain

• Adolescence represents a period of active life, hence no meal of the day should be missed to sustain energy and growth spurts
• Having a Healthy Diversified Balanced Diet that includes all the 5 food groups (cereals, pulses, fruits, vegetables, milk & milk products) in the right quantity which thereby provides you with all the essential macro and micro nutrients that your body requires daily for proper functioning.
• Maintain a positive energy balance where the calorie intake should be more than the energy expenditure.
• Include energy dense foods, keeping in mind the daily needs. Some of the energy dense foods include Whole wheat, Multigrain, millets, dairy products, nuts, colocasia leaves, banana, raisins, pulses/lentils etc.
• Do not skip meals. Eat small frequent meals.
• Three major meals a day with healthy nutritious snacks in between is preferred.
• Try to increase the serving size and portion size gradually and systematically
• Include healthy fats from nuts and seeds.
• Drink at least 8 glasses of water per day to maintain hydration
• Indulging in physical activity can help in increasing the appetite and give a feeling of hunger.
• Try to follow a good sleep regimen in terms of both quantity and quality.

For a customised and personalised meal plan for specific conditions, please contact your Health care professional.

Hope we have answered your query.

Wishing you a great day ahead

Dear Husain captain, Thank you for the question

Gastric issues can be a symptom of gastrointestinal digestive issues such as GERD (Gastro oesophageal reflux disease), indigestion, constipation, IBS, intolerances, food allergies etc., and/or due to an underlying health condition which may require medical attention. For further diagnosis and assistance kindly contact your specialized health care professional.

Gastro esophageal reflux disease (GERD) is a chronic symptom of mucosal damage. It is caused due to the entry of stomach acid into the esophagus. The most-common symptoms of GERD include Heartburn, Difficulty in swallowing and a sour taste in the mouth or back of the throat due to fluids and undigested foods rising back in to the mouth.

Here are a few tips to manage GERD

It is important to modify your dietary patterns to manage the symptoms of GERD.

• Weight management is necessary in people for whom the underlying cause of GERD may have been obesity.
• Eat small frequent meals and avoid eating meals within 2-3 hours of bedtime.
• Prevent laying down immediately after eating
• Avoid drinking fluids in between the meals.
• Food should be eaten slowly and chewed well as fast eating provokes gastric feeding reflex.
• Some of the foods should be restricted or avoided, these include caffeine, raw onion, citric juices and spicy foods etc.
• Consume low fat dairy in substitute of full fat options to prevent or manage GERD symptoms.

Constipation can be due to inadequate fiber and water intake. Some other causes that can lead to constipation include neglecting urge to defecate, irregular meals, excess stress etc.  For further diagnosis and assistance kindly contact your specialized health care professional.

The Recommended Daily Allowance (RDA) of fiber for male is 30g/day

Here are a few guidelines for Constipation & General digestive health

• Include adequate amount of fiber to your daily balanced diet. Some of the good sources of fiber include Whole grains, multigrain, millets, Psyllium, fruits such as apples, banana, citrus fruits, vegetables like green beans, peas, potato, nuts and soybean etc.
• A glass of hot water , preferably taken with lemon juice taken early in the morning, stimulates gastro colic reflex and helps ease constipation.
• Do not skip your meals, have small frequent meals at regular intervals.
• Eat a well-balanced diet including minimum 5 serving of vegetables and 1 serving of fruit in a day as they are good sources of fiber and essential nutrients such as vitamin A, Vitamin B, iron, zinc etc.
• Include prebiotics such as banana, soyabean, garlic etc., good sources of probiotics like yogurt, buttermilk etc., to maintain a healthy gut.
• Avoid large, heavy meals, and practice portion guidance.
• Deep fried foods to be restricted. Method of cooking like baking, grilling, boiling, steaming is preferable over deep frying with excess fat/ oil.
• Drink at least 8 glasses or (2liter) of water per day
• Engage in physical activity for a minimum of 30-45 minutes for at least 5 days a week.
• Try to follow a good sleep regimen in terms of both quantity and quality.

For a customised and personalised meal plan for specific conditions, please contact your Health care professional.

Hope we have answered your query.

 Wishing you a great day ahead

Dear Swathi, Thank you for the question

Increased abdominal fat can happen due to sedentary lifestyle, excess intake of high fat foods, hormonal imbalance and/or an underlying health condition. Please contact your health professional for further diagnosis and assistance.

A sustainable and healthy weight loss regimen, should target on overall weight loss and fat reduction. Weight loss requires a holistic approach that involves lifestyle modification which includes Dietary modification, Physical activity and stress management. With any weight loss plan changes take time to reflect as your body requires sufficient time to adapt to the changes in order to show results.

An ideal weight loss meal plan should include calorie deficit diet with appropriate exercise regime followed under professional guidance.

However here are few objectives to be considered when planning to start with a weight loss program.

Count Your Daily Calories

• It is recommended to consume 500kcal less than your average, daily, current dietary intake of calories to target on 2-3kg weight loss per month (ideally 0.5kg per week).
• This target is a healthy& sustainable way of reducing and then maintaining the weight loss.
• The first step hence is “counting your daily calorie intakes”. Counting your daily calorie intake is proven to be effective when on a weight loss diet. You can use applications/apps freely available, that will help you count your calories to keep a track on your daily calorie intake and physical activity levels.
• These apps will also help you to track your hydration & sleep patterns which also impact your weight.
• Ideal body weight for an individual can be calculated using the Broca Index (BI) which is: Ideal Standard Weight (kg) = Ht (cm) – 100
• WHO has given different BMI (Body mass index) classifications to categorise adults into different weight categories. BMI is a simple index of weight-for-height. It can be considered as a 2nd level indicator of overall health.

It can be calculated using a simple formula of BMI = Weight (kg) / Height (m²)

Following is the WHO BMI Classification

18.5 to 24.9 - Normal

Less than 18.5 - Underweight

25 to 29 - Overweight

Above 30 – Obese

General Dietary Guidelines for weight loss that can be considered:

• Eat a well-balanced diet that includes all the 5 food groups (cereals, pulses, fruits, vegetables, milk & milk products).
• Do not skip your meals. Have small quantity of meals at regular intervals.
• Choose healthy snacking options in between your meals.
• Monitor your portion size.
• Try to include whole grains like wheat, millets and multigrain in your diet as they are a good source of fiber and other nutrients.
• Include protein in your diet. Some of the sources include pulses, lentils, milk, paneer, soybean, eggs, lean meat, nuts & seeds, etc.  
• Fiber in your meals can potentiate the satiating property, suppress excess hunger and control food intake. All fruits and vegetables, whole grains, nuts & seeds etc., are a good source of fiber.
• Try switching from saturated fats and trans fats to MUFA (mono-unsaturated fatty acids) & PUFA (polyunsaturated fatty acids) as they are essential fatty acids and are good for your health.
• Consume fresh, seasonal fruits as they contain many essential nutrients and are good sources of fiber.
• Carbonated and alcoholic beverages to be limited or preferably avoided.
• Deep Fried foods to be restricted. Method of cooking like baking, grilling, boiling, steaming is preferable over deep frying with excess fat/ oil.
• Minimum of 8 glasses of water should be consumed to keep yourself hydrated.
• Have your last meal at least 2-3 hours before Bed time.
• Try to follow a good sleep regimen in terms of both quantity and quality.

Some Physical Activity Tips:

Engage in at least 30-45 minutes of physical activity of moderate intensity such as walking for at least five days a week.

Increase in the stomach size may also be identified as bloating, which can be caused due indigestion, intolerance, IBS or constipation etc. For further diagnosis please contact a heath care professional.

Further for specific fitness needs please contact a fitness expert for exercise regimen for sustainable and safe overall weight and fat loss.

For further assistance you can book a call for free dietitian consultation on our website. https://www.callr.live/aashirvaadexperts/Book-Appointment  

For a customised and personalised meal plan for specific conditions please contact your Health care professional or any registered dietician.

Hope we have answered your query.

Wishing you a great day ahead.