How to gain weight if you are too underweight: analysis of scientific methods and hot topics
In recent years, healthy weight gain has become one of the hot topics. Especially for underweight people, how to gain weight scientifically has attracted much attention. The following is a compilation of hot topics and hot content on the Internet in the past 10 days, combined with structured data, to provide you with a detailed weight gain guide.
1. Popular topics related to weight gain in the past 10 days

| Ranking | Topic keywords | Search volume (10,000) | Main discussion platform |
|---|---|---|---|
| 1 | Healthy weight gain recipes | 45.6 | Xiaohongshu, Zhihu |
| 2 | Muscle gain vs fat gain | 32.1 | Station B, Douyin |
| 3 | Dangers of being underweight | 28.7 | Weibo and WeChat public accounts |
| 4 | Recommended weight gain supplements | 25.3 | Zhihu, Taobao |
| 5 | How do thin people build muscle? | 21.9 | Keep, B station |
2. Analysis of the causes of being too underweight
Being underweight is often caused by:
| Reason type | Specific performance | solution |
|---|---|---|
| metabolism too fast | High basal metabolic rate and high energy consumption | Increase caloric intake and choose energy-dense foods |
| Malabsorption | Weak gastrointestinal function and poor nutrient absorption | Regulate the gastrointestinal tract and supplement probiotics |
| Irregular eating habits | Three meals at irregular times, small food intake | Make a meal plan and eat smaller meals more frequently |
| genetic factors | The family has a thin body constitution | Targeted muscle building training |
3. Four core methods for scientific weight gain
1.diet modification: Daily caloric intake needs to exceed consumption, and it is recommended to increase by 300-500 calories. Give priority to high-protein and high-carbohydrate foods, such as chicken breast, oats, nuts, etc.
2.strength training: Resistance training 3-4 times a week, focusing on large muscle groups (chest, back, legs), can effectively promote muscle growth.
3.Work and rest routine: Ensure 7-8 hours of sleep. Growth hormone is most secreted during deep sleep, which helps muscle repair.
4.Nutritional supplements: Protein powder, muscle-building powder and other supplements can be used appropriately, but attention should be paid to choosing regular brands.
4. Recommended popular weight gain recipes
| Meals | recipe mix | Calories (kcal) |
|---|---|---|
| breakfast | Oat milk + whole wheat bread + eggs × 2 | 550 |
| Extra meal | Banana + Nuts 30g | 300 |
| lunch | 200g rice + 150g beef + broccoli | 700 |
| dinner | Sweet potato + salmon + vegetable salad | 650 |
| before going to bed | Casein extended release protein powder | 200 |
5. Common Misunderstandings about Weight Gain
1.Only gain fat but not muscle: Gaining weight simply by relying on high-calorie junk food will lead to excessive body fat and affect health.
2.Insufficient training intensity: Without enough training stimulation, excess calories will be converted into fat instead of muscle.
3.eager for success: It is recommended to gain 0.5-1kg per week for healthy weight gain. Gaining weight too fast may increase the burden on the body.
4.Neglect drinking water: During the weight gain period, you need to ensure 2-3L of water per day to promote metabolism and nutrient absorption.
6. Expert advice
According to the latest fitness nutrition research, you need to pay attention to the following when gaining weight scientifically:
• Regularly monitor changes in body fat percentage and muscle mass
• Gradually increase training weight
• Ensure 1.6-2.2g of protein per kilogram of body weight
• If you have digestive problems, consult a professional nutritionist
Through the above systematic methods, combined with patience and persistence, underweight people can achieve their healthy weight gain goals. It is recommended to adjust the plan according to personal circumstances and seek professional guidance when necessary.
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