6 Tips on Increasing Dietary Fiber Intake

Experiencing poor digestive health or constipation? Need some help in adding more dietary fiber into your diets? Try these 6 tips to incorporate more dietary fiber into your daily regime and foods!

1. Up your legumes game

Legumes are a great source of fiber! Some examples of legumes include: chickpeas, kidney beans, soybeans, and peanuts. You can consider including these legumes into your daily meals, or even replacing your meat with legumes for a healthier options.

2. Choose brown, not white

White rice refers to rice with its husk, bran and germ removed through a milling process to prolong its shelf-life, while brown rice has them intact. The husk, bran and germ in the brown rice contains nutrition such as fiber. To include more dietary fiber in your daily meals, you can start slowly changing your white rice to brown rice, and aim to have at least half of your entire portion as brown rice, if not all.

3. Wholegrains are the best grains

When looking out for bread or pasta, look for whole wheat or whole wheat flour in the first item of the ingredient list. Some products will have labels indicating wholegrains too! They are healthier options as compared to processed choices, which tend to have high glycemic index.

4. Eat more fruits and vegetables

Add vegetables to your favorite meats or have fresh fruits instead of cakes and ice creams as your desserts. Moreover, fruits and vegetables are also rich in vitamins, minerals and antioxidants - additional reasons to increase your intake of these foods!

5. Snack wisely

If you have a habit of snacking, pack your choices with nuts, dried fruits, wholegrain biscuits or fresh fruits, and avoid unhealthy options such as crackers, sweet candies, or chocolates.

6. Dietary fiber supplements

Taking dietary fiber supplements is another way to increase your daily fiber requirement. However, do note that they should not replace your food sources of dietary fiber entirely as food sources contain a variety of other essential vitamins and minerals too. Some examples of ingredients in dietary fiber supplements include resistant maltodextrin, psyllium, wheat dextrin, inulin and methylcellulose.

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Fruits and vegetables, soluble and insoluble dietary fiber What is Dietary Fiber & Why is it Important?

Dietary fiber is well-known to be beneficial for health. But did you know that other than the effects it has on your gut health, it also has a myriad of other benefits ranging from controlling blood sugar levels and cholesterol levels? How does dietary fiber help in improving them? Read on to find out more about the 4 health benefits of dietary fiber, and start your journey to maintain a healthy lifestyle!

1. Gut Health

Perhaps the most well-known function of dietary fiber is its role it plays in maintaining good digestive health. People with optimal digestive health usually experience fewer gastrointestinal symptoms, such as constipation and/or diarrhea.

There are 2 types of dietary fiber which help improve bowel movement in different ways:

- Insoluble fiber helps to increase bulk to promote regular bowel movement. - Soluble fiber absorbs water in the intestines, which helps softens the stool for smoother bowel movements.

2. Managing Satiety

Satiety is the feeling of fullness after eating. Studies have also shown that taking dietary fiber is associated with a lower body weight, and managing satiety (which in return leads to a reduction in energy and calorie intake) has been touted as a possible explanation for this [1].

Dietary fiber increases the time taken for food to move from your stomach into your intestine and this keeps you feeling full for a longer time, thus possibly reducing your appetite and energy intake. In addition, food with higher dietary fiber content takes a longer time to chew, thus slowing down your food intake [2].

3. Controlling Blood Sugar Level

Some studies have shown that even a small increase in intake of dietary fiber may help improve sugar level in the blood. Dietary fiber may delay the absorption of glucose into the bloodstream from the digestive tract. Hence, reducing sudden spikes of glucose in the blood and enabling the body to manage blood sugar level more efficiently [3]. Some soluble fiber may also form gel-like substance in the stomach, which can also slow down digestion [4].

4. Cholesterol levels

Cholesterol plays a role in bile production in the body. When dietary fiber is present in the diet, it hinders the reabsorption of bile and hence the body will be required to replace the unabsorbed bile salts. This increases the amount of cholesterol being removed from the blood for bile production [5]. Soluble fiber has been shown to be associated with a small but significant decrease in total cholesterol as well as low-density-lipoprotein (LDL) cholesterol (also often terms as the 'bad' cholesterol) [6].

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References

  1. Michelle J. Clark MS, J. Slavin. The Effect of Fiber on Satiety and Food Intake: A Systematic Review. Journal of the American College of Nutrition. 2013. 32:3, 200-211
  2. J. Slavin and H. Green. Dietary fibre and satiety. Nutrition Bulletin. 32: 32-42.
  3. Linda M Delahanty. Patient Education: Type 2 Diabetes and Diet. (Beyond the Basics). UpToDate 2021.
  4. Centres for Disease Control and Prevention (CDC). Fiber: The Carb That Helps You Manage Diabetes. 2022.
  5. Jovanovski E, Yashpal S, Komishon A, et al. Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials. Am J Clin Nutr 2018; 108:922.
  6. Brown L, Rosner B, Willett WW, Sacks FM. Cholesterol-lowering effects of dietary fiber: a meta-analysis. Am J Clin Nutr. 1999 Jan;69(1):30-42.