Can Enzymes Help You Gain Weight? Exploring Nutritional Myths - Nutrition

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Can taking enzymes lead to weight gain?


Hello, I have trouble gaining weight, with a BMI of only 18.
I have undergone various health checks, and my body is normal.
Since I know that enzymes can aid in digestion and absorption, would supplementing enzymes after meals help increase nutrient absorption and potentially lead to weight gain for someone with my body type? Thank you.

Niming, 30~39 year old female. Ask Date: 2023/08/07

Dr. Xie Peiru reply Nutrition


Hello: Generally speaking, not gaining weight means that the caloric intake is less than the caloric expenditure, resulting in a negative caloric balance (weight loss).
Therefore, aside from any underlying health issues, one should investigate the daily caloric intake and activity levels to identify the problem.
If the root cause remains unclear, it is advisable to consult a nutritionist at a hospital.
Enzymes available on the market are typically recommended for adjusting body constitution and aiding bowel movements, but there is currently no evidence supporting their use for weight gain.
Wishing you health and safety! Qiy Medical Nutrition Department

Reply Date: 2023/08/07

More Info


Enzymes play a crucial role in digestion and nutrient absorption, but their impact on weight gain is often misunderstood. If you have a low BMI of 18 and have undergone health checks that indicate you are in good health, it’s essential to understand how enzymes work and their potential role in your nutritional journey.

Enzymes are biological catalysts that facilitate chemical reactions in the body, including the breakdown of food into smaller, absorbable components. Digestive enzymes, such as amylase, protease, and lipase, help digest carbohydrates, proteins, and fats, respectively. While it is true that proper digestion and absorption of nutrients are vital for overall health and can influence body weight, simply taking enzyme supplements will not guarantee weight gain.

For individuals who struggle to gain weight, the primary concern is often not the lack of enzymes but rather insufficient caloric intake or inadequate nutrient density in their diet. If you are consuming fewer calories than your body needs to maintain its current weight, you will not gain weight, regardless of enzyme supplementation. Therefore, the focus should be on increasing your overall caloric intake and ensuring that your diet is rich in nutrients.

Here are some strategies to consider for healthy weight gain:
1. Increase Caloric Intake: Aim to consume more calories than you burn. This can be achieved by increasing portion sizes at meals and adding snacks between meals. Foods that are calorie-dense, such as nuts, seeds, avocados, and whole grains, can help you achieve this without needing to eat large volumes of food.

2. Choose Nutrient-Dense Foods: Opt for foods that are high in calories but also provide essential nutrients. For example, whole grains, lean proteins, healthy fats, and dairy products can contribute to both caloric intake and nutritional quality.

3. Frequent Meals and Snacks: Instead of three large meals, consider eating five to six smaller meals throughout the day. This can make it easier to consume more calories without feeling overly full.

4. Incorporate Protein: Protein is essential for muscle growth and repair. Including sources of protein in every meal can help you build muscle mass, which can contribute to healthy weight gain. Consider options like eggs, dairy, legumes, and lean meats.

5. Stay Hydrated: While it’s important to drink fluids, try to avoid drinking large amounts of water or other beverages before meals, as this can reduce your appetite. Instead, focus on nutrient-rich drinks like smoothies or milkshakes that can provide additional calories.

6. Consider Nutritional Supplements: If you find it challenging to meet your caloric needs through food alone, nutritional supplements like protein powders or meal replacement shakes can be beneficial. These products are designed to provide a concentrated source of calories and nutrients.

7. Monitor Your Progress: Keep track of your weight and dietary intake to ensure you are making progress. If you find that you are still struggling to gain weight despite these efforts, consider consulting a healthcare professional or a registered dietitian for personalized guidance.

In conclusion, while enzymes are essential for digestion, they are not a magic solution for weight gain. The key to gaining weight lies in consuming more calories than you expend and ensuring that your diet is balanced and nutrient-dense. By focusing on these aspects, you can create a sustainable approach to achieving a healthy weight.

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