Relieving Constipation with Japanese Food: A Dietary Fiber Guide for Life in Ho Chi Minh City

For residents of Ho Chi Minh City. A guide to choosing and using fiber-rich Japanese foods (burdock root, lotus root, wakame, natto, barley) to support gut health. Not a substitute for medical advice.

Constipation and Fiber: Why It's More Common When Living Abroad

Many people who had no digestive issues in Japan notice changes after arriving in Ho Chi Minh City. Common causes include:

• Changes in diet: Fiber-rich Japanese staples like burdock, wakame, and mushrooms are harder to find
• Dehydration: Heavy sweating in the heat often isn't offset by adequate fluid intake
• Changes in gut microbiome: Dietary changes can affect gut bacteria
• Disrupted routine: Stress from environmental change is also a factor

Dietary fiber comes in two types: soluble and insoluble. Japanese cuisine naturally includes foods rich in both, in a balanced way.

Burdock Root (Gobou): The Top Japanese Fiber Food

Burdock root contains about 5.7g of fiber per 100g, with especially high levels of insoluble fiber (cellulose and lignin) that stimulate intestinal movement. It also contains inulin, a soluble prebiotic fiber that feeds beneficial gut bacteria.

Easy kinpira gobou for Ho Chi Minh City:

• Julienne burdock root, soak in water for 5 minutes to remove bitterness
• Stir-fry in sesame oil
• Season with soy sauce, mirin, and sugar (1 tbsp each), stir until dry
• Finish with a sprinkle of white sesame seeds

Keeps in the fridge for 3-4 days. Make a big batch on the weekend for bento all week. Fresh burdock is hard to find at local markets in Ho Chi Minh City - ordering through the Farmi App is more reliable.

Lotus Root (Renkon): Fiber with a Satisfying Crunch

Lotus root contains about 2g of fiber per 100g, primarily insoluble. Its mucin (glycoprotein) is thought to help protect the gastric lining. Easy uses: kinpira renkon, sliced into miso soup, or renkon hasami-age (lotus root sandwiching a meat filling, then fried). To prevent browning, soak slices in vinegar water for 5 minutes before cooking. Also hard to find at local markets - order through Farmi.

Wakame, Kombu, and Hijiki: Soluble Fiber from Sea Vegetables

Seaweed is rich in soluble fiber like alginic acid and fucoidan, thought to help increase beneficial gut bacteria and soften stool. Dried wakame and hijiki are shelf-stable and incredibly convenient. Adding a pinch of dried wakame to your daily miso soup is one of the easiest ways to build a fiber habit.

Natto: The Double Benefit of Fiber and Fermentation

Natto contains about 3g of fiber per pack (40g), and the natto bacteria offer a probiotic benefit for gut health. In Ho Chi Minh City's 30-35°C heat, cold storage is critical. For frozen natto: transfer to the refrigerator the night before and let it thaw slowly - never refreeze. The Farmi App delivers natto with a cold chain to ensure quality.

Barley and Brown Rice: Upgrade Your Staple

• Mix in pressed barley: Replacing 20-30% of white rice with barley roughly triples or quadruples fiber intake. Also adds soluble fiber beta-glucan
• Brown rice: Contains about 6 times the fiber of white rice. Soak for 12-24 hours before cooking for a softer result
• Mixed grain blend: Add a packet of mixed 16-grain blend to your rice cooker for an effortless fiber boost

Pressed barley and grain mix blends are available on the Farmi App (check the app for current stock).

FAQ

Q1: How much fiber should I aim for daily? Japan's 2020 dietary guidelines recommend at least 21g per day for men and 18g for women. Increase intake gradually to avoid bloating.

Q2: What can I use instead of burdock root? Lotus root, daikon radish, sweet potato, dried wakame, and hijiki all contribute fiber. Dried seaweed is especially useful as a shelf-stable backup when burdock is unavailable.

Q3: Does drinking water affect constipation? Yes. Ho Chi Minh City's heat means heavy sweating and frequent dehydration. Aiming for 1.5-2 liters of water per day alongside adequate fiber intake is important. Drinking a glass of water first thing in the morning is also widely recommended.

Q4: What if constipation persists? If dietary changes alone don't help, or if symptoms are severe, please see a doctor. Ho Chi Minh City has several medical facilities with Japanese-language support. This article is for general dietary reference only.

※ Note: This article and some of its images were created with the assistance of AI and reviewed and edited by our editorial team before publication.