Struggling with Being Underweight: Tips for Healthy Weight Gain - Nutrition

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Too skinny?


Hello, doctor...
I am about 20 years old, 169 cm tall, and weigh only 45 kg, which is extremely underweight.
I've been told that I'm too thin since I was a child, but I would like to gain some weight, or more accurately, I want to be more muscular.
I'm not sure if it's due to a digestive issue, but I just can't seem to gain weight.
I don't mind looking thin too much, but I'm more concerned about having lower physical stamina, so...

Diguo, 20~29 year old female. Ask Date: 2000/11/15

Dr. Shi Guimei reply Nutrition


Your ideal weight range is between 56.5 to 69.5 kilograms, so you are indeed underweight, which may lead to decreased physical strength and immunity.
Poor digestive health can affect nutrient absorption; if you have concerns in this area, it is advisable to get checked at a hospital.
In the meantime, you should adopt a balanced diet and follow the daily dietary guidelines to consume the six major food groups.
This includes 1 to 2 cups of dairy per day (each cup being 240cc), and five servings of root vegetables (for example,

Reply Date: 2000/11/15

More Info


Gaining weight in a healthy manner can be just as challenging as losing weight, especially for individuals who have a naturally high metabolism or underlying health issues that may affect their ability to gain weight. At 20 years old, with a height of 169 cm and a weight of 45 kg, your Body Mass Index (BMI) is approximately 15.7, which categorizes you as underweight. This can lead to various health issues, including weakened immune function, decreased muscle mass, and potential nutrient deficiencies. Here are some strategies to help you gain weight healthily.


Nutritional Strategies
1. Increase Caloric Intake: To gain weight, you need to consume more calories than your body burns. Aim for a caloric surplus of about 500 to 1000 calories per day. This can be achieved by incorporating more calorie-dense foods into your diet.

2. Choose Nutrient-Rich Foods: Focus on foods that are high in calories but also provide essential nutrients. Good options include:
- Nuts and Nut Butters: Almonds, walnuts, and peanut butter are high in healthy fats and calories.

- Dairy Products: Full-fat milk, yogurt, and cheese can add significant calories and protein.

- Whole Grains: Foods like quinoa, brown rice, and whole grain bread are excellent sources of carbohydrates and calories.

- Healthy Oils: Incorporate olive oil, avocado oil, or coconut oil into your meals to increase caloric content without adding bulk.

3. Frequent Meals and Snacks: Instead of three large meals, try to eat five to six smaller meals throughout the day. Include snacks like protein bars, smoothies, or trail mix to keep your caloric intake high.

4. Protein Intake: Ensure you are consuming adequate protein to support muscle growth. Aim for about 1.2 to 2.0 grams of protein per kilogram of your ideal body weight. Good sources include lean meats, fish, eggs, dairy, legumes, and protein supplements if necessary.

5. Stay Hydrated: While it’s important to drink fluids, avoid filling up on water or low-calorie beverages before meals. Instead, consider drinking smoothies or milkshakes that provide calories and nutrients.


Exercise Strategies
1. Strength Training: Engaging in resistance training can help you build muscle mass, which is a healthy way to gain weight. Focus on compound exercises like squats, deadlifts, and bench presses that work multiple muscle groups. Aim for 3-4 sessions per week.

2. Limit Cardio: While cardiovascular exercise is important for overall health, excessive cardio can burn calories that you need for weight gain. Limit cardio sessions to a few times a week and focus more on strength training.

3. Monitor Progress: Keep track of your weight and body measurements to see how your body responds to your dietary and exercise changes. Adjust your caloric intake and exercise routine as needed.


Addressing Underlying Issues
If you suspect that your inability to gain weight may be due to digestive issues or other health concerns, it’s essential to consult with a healthcare professional. Conditions such as hyperthyroidism, diabetes, gastrointestinal disorders, or malabsorption syndromes can affect weight gain. A healthcare provider can perform necessary tests and provide tailored advice.


Conclusion
Gaining weight healthily requires a combination of increased caloric intake, nutrient-rich foods, and strength training. It’s important to approach this process gradually and sustainably. If you continue to struggle with weight gain despite these efforts, consider seeking guidance from a registered dietitian or a healthcare provider who can help identify any underlying issues and create a personalized plan for you. Remember, the goal is not just to gain weight but to do so in a way that promotes overall health and well-being.

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