2026年 April

10 Best 便秘改善 in 日本

Last Updated - 02/04/2026

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01

ビオフェルミン

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【Specified Over-the-Counter Medicine】 Taisho Pharmaceutical Co., Ltd. New Biofermin S Tablets 550 Tablets 61-Day Supply Intestinal Regulator【Amazon.co.jp Exclusive】 [Lactic Acid Bacteria
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Product size (width x depth x height): 2.3 inches x 2.3 inches x 4.7 inches (5.8 cm x 5.8 cm x 11.9 cm)
Package weight: 0.31 kg
Made in Japan
Color: White

￥3,290
02

ビオフェルミン
10% Off

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On Amazon

【Specified Over-the-Counter Medicine】 Taisho Pharmaceutical Co., Ltd. New Biofermin S Tablets 550 Tablets 61-Day Supply Intestinal Regulator【Amazon.co.jp Exclusive】 [Lactic Acid Bacteria
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Product size (width x depth x height): 2.3 inches x 2.3 inches x 4.7 inches (5.8 cm x 5.8 cm x 11.9 cm)
Package weight: 0.31 kg
Made in Japan
Color: White

￥2,961 ￥3,290 10% Off
03

モリモリスリム

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Red Morimori Slim, 60 Tablets, Multi-Enzyme Supplement, Grain Type (46 Types of Plant Fermentation, 20 Kinds of Herbs, Dietary Fiber, Living Enzymes, Refreshing Every Day; Made in Japan)
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Storage Instructions: Store away from high temperatures, high humidity, and direct sunlight
Note: Take 6 tablets a day (adjust to 3 to 6 tablets as you like) with water or lukewarm water. Please be aware that if overdose is over the estimated amount of one day may cause your tummy to be too loose. (Official) If you purchase it from other stores other than herbal health headshop, we cannot answer any quality assurance or questions. Please be aware of
Directions: As a health supplement, please consume 6 tablets a day (adjust 3 to 6 capsules according to your preference) with water or lukewarm water
Contents: 0.6 oz (16.8 g) (280 mg x 60 tablets)
"Red Mobiori Slim Grains" was born from those who love Morimori Slim Grains, who want to carry a Moji Slim while on the go, and it's difficult to adjust the thickness of tea." With 46 types of plant fermentation, the refined herbs in the Morimori Slim Series have been proven to exceed 7.4 million pieces from its launch, and the popular ingredients for dieters such as Black Ginger and Black Tea (Puaral). The number of materials used for dieter support (*²) is 3 times the amount of material that is normal Morimori Slim. The grain type makes it easy to carry around. Powerful support for your "beautiful from the inside" and "ideal beautiful body". (*🌹 Morimori Slim Series Total Sales (Roasted Tea, Tea, Coffee, Soft, Premium, Black Mori, Flavor Tea) As of April 2021, we have researched our company. *² nutrition for dieters. )

￥1,980
04

モリモリスリム

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Red Morimori Slim, 60 Tablets, Multi-Enzyme Supplement, Grain Type (46 Types of Plant Fermentation, 20 Kinds of Herbs, Dietary Fiber, Living Enzymes, Refreshing Every Day; Made in Japan)
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Storage Instructions: Store away from high temperatures, high humidity, and direct sunlight
Note: Take 6 tablets a day (adjust to 3 to 6 tablets as you like) with water or lukewarm water. Please be aware that if overdose is over the estimated amount of one day may cause your tummy to be too loose. (Official) If you purchase it from other stores other than herbal health headshop, we cannot answer any quality assurance or questions. Please be aware of
Directions: As a health supplement, please consume 6 tablets a day (adjust 3 to 6 capsules according to your preference) with water or lukewarm water
Contents: 0.6 oz (16.8 g) (280 mg x 60 tablets)
"Red Mobiori Slim Grains" was born from those who love Morimori Slim Grains, who want to carry a Moji Slim while on the go, and it's difficult to adjust the thickness of tea." With 46 types of plant fermentation, the refined herbs in the Morimori Slim Series have been proven to exceed 7.4 million pieces from its launch, and the popular ingredients for dieters such as Black Ginger and Black Tea (Puaral). The number of materials used for dieter support (*²) is 3 times the amount of material that is normal Morimori Slim. The grain type makes it easy to carry around. Powerful support for your "beautiful from the inside" and "ideal beautiful body". (*🌹 Morimori Slim Series Total Sales (Roasted Tea, Tea, Coffee, Soft, Premium, Black Mori, Flavor Tea) As of April 2021, we have researched our company. *² nutrition for dieters. )

￥1,881 ￥1,980
Best Value
05

ビオスリー
30% Off

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Biosree Hi Tablets 270 Tablets [Designated Quasi-Drug] Intestinal Regulator [Butyric Acid Bacteria/Sugar Fermentation Bacteria/Lactic Acid Bacteria Blended] Tablet Type [Improves Intestinal Flora/Gut
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Usage and Dosage】・Take the following amount after meals Adults (15 years and older), 2 tablets per dose, 3 doses per day Ages 5 and above to under 15, 1 tablet per dose, 3 doses per day * Do not administer to children under 5 years old
【Efficacy and Details】・Efficacy: Intestinal regulation, constipation, soft stools, abdominal bloating ・Product size (width x depth x height): 2.0 inches x 2.0 inches x 3.9 inches (5.0 cm x 5.0 cm x 9.9 cm) ・Content: 270 tablets・Country of origin: Japan
【3 types of active bacteria delivered alive】Bioslee delivers 3 types of active bacteria alive: lactic acid bacteria and bifidobacteria-increasing glycosylated bacteria, butyric acid bacteria necessary for maintaining intestinal function, and lactic acid bacteria that help increase butyric acid bacteria Improves intestinal flora and the large intestine barrier, and regulates daily bowel movements
Recommended for people who: - Tend to be constipated and want to do something about it ・Prone to causing loose stools ・Want to improve abdominal tightness ・Improve intestinal flora and the large intestine barrier to regulate the intestines
Effects of butyric acid produced by butyric acid bacteria: Butyric acid is a substance that serves as an energy source for the large intestine and is essential for supporting health maintenance Butyric acid bacteria are what produce it It also has the effect of promoting healthy stool formation and bowel movements, making it recommended for those suffering from constipation or loose stools

￥2,436 ￥3,498 30% Off
06

イージーファイバー

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Easy Fiber Tokuho [Official] [Plenty of Dietary Fiber! / Easy with Powder! Taste Remains the Same!] Indigestible Dextrin (Water-Soluble Dietary Fiber) [Foods for Specified Health Uses / 30 Packs]
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

✅【Can be mixed with your favorite items】It is almost tasteless and odorless, so it can be mixed with your favorite items It dissolves quickly without clumping and does not alter the taste or aroma when added to tea, juice, miso soup, etc
✅【1 pack provides 4.2g of dietary fiber】The recommended daily intake of dietary fiber for adult women※2 is 18g or more per day However, the average daily intake for women in their 20s is 14.6g, which is not enough to meet the recommended amount With Easy Fiber, you can easily supplement the missing parts ※1: Average intake for women in their 20s... based on the National Health and Nutrition Survey (Reiwa 5) ※2: Target intake... based on the Dietary Reference Intakes for Japanese (Women aged 18-64, 2025 version)
✅ [Improve bowel movements with dietary fiber! EazyFiber is a water-soluble dietary fiber (indigestible dextrin) derived from corn A pleasant point is that it is derived from plants and gentle
✅ [Easily supplement dietary fiber! Add fiber to your regular meals with Easy Fiber! As a guideline, consume one pack per day by mixing it into your favorite beverages or dishes Easily obtain dietary fiber, which is often lacking in daily meals, to help improve bowel movements
✅ Designated health food (トクホ) [Authorized display] This product contains dietary fiber (digestion-resistant dextrin), making it easy to supplement dietary fiber, which is often lacking in the diet, and helps improve bowel movements ※Always maintain a balanced diet with staple foods, main dishes, and side dishes

￥894
07

イージーファイバー

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On Amazon

Easy Fiber Tokuho [Official] [Plenty of Dietary Fiber! / Easy with Powder! Taste Remains the Same!] Indigestible Dextrin (Water-Soluble Dietary Fiber) [Foods for Specified Health Uses / 30 Packs]
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

✅【Can be mixed with your favorite items】It is almost tasteless and odorless, so it can be mixed with your favorite items It dissolves quickly without clumping and does not alter the taste or aroma when added to tea, juice, miso soup, etc
✅【1 pack provides 4.2g of dietary fiber】The recommended daily intake of dietary fiber for adult women※2 is 18g or more per day However, the average daily intake for women in their 20s is 14.6g, which is not enough to meet the recommended amount With Easy Fiber, you can easily supplement the missing parts ※1: Average intake for women in their 20s... based on the National Health and Nutrition Survey (Reiwa 5) ※2: Target intake... based on the Dietary Reference Intakes for Japanese (Women aged 18-64, 2025 version)
✅ [Improve bowel movements with dietary fiber! EazyFiber is a water-soluble dietary fiber (indigestible dextrin) derived from corn A pleasant point is that it is derived from plants and gentle
✅ [Easily supplement dietary fiber! Add fiber to your regular meals with Easy Fiber! As a guideline, consume one pack per day by mixing it into your favorite beverages or dishes Easily obtain dietary fiber, which is often lacking in daily meals, to help improve bowel movements
✅ Designated health food (トクホ) [Authorized display] This product contains dietary fiber (digestion-resistant dextrin), making it easy to supplement dietary fiber, which is often lacking in the diet, and helps improve bowel movements ※Always maintain a balanced diet with staple foods, main dishes, and side dishes

￥849
08

ビオスリー
27% Off

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On Amazon

Biosley Hi Tablets, 180 Tablets, Intestinal Medicine (Formulated with Butyric Acid / Glycated Bacteria/Lactobacillus Bacteria), Tablets Type (Improvement of Intestinal Flora / Intestinal Activity), For Constipation and Soft Feces (Designated Quasi-Drug)
8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Usage and Dosage: Please take the following amount after eating. Adults (15 years and up), dose 2 tablets, wear 3 times a day. Recommended for ages 5 and up under 15 years. Quantity 1 tablet. Wear 3 times a day. *Do not use under 5 years
The effects of lactic acid produced by lactic acid bacteria: Lactic acid is a source of energy for the coli, and is an indispensable component for maintaining health. It is lactic acid bacteria that produces it. It also has the effect of encouraging healthy constipation and traffic, so it is recommended for those who have trouble with constipation or soft stool
Recommended for those who tend to be constipated, so you want to do something. Makes your stomach loose. We want to improve stomach tightness. I want to improve the intestinal flora and colon barrier, to tone the intestine
Effects: Orthopedic, constipation, soft stool, belly bloating. Product Size (W x D x H): 2.0 x 2.0 x 3.5 inches (5.0 x 5.0 x 8.9 cm). Contents: 180 tablets
(3 types of active bacteria will arrive as you get) Biosli comes from three types of active bacteria that increase lactic acid bacteria and bifidobacteria, lactic acid bacteria that is required to maintain the intestinal function, and lactic acid bacteria to help the growth of lactic acid bacteria. Improves intestinal flora and colon barrier, and helps regulate day-to-day stool

￥1,949 ￥2,670 27% Off
09

ビオスリー
34% Off

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On Amazon

Biosley Hi Tablets, 180 Tablets, Intestinal Medicine (Formulated with Butyric Acid / Glycated Bacteria/Lactobacillus Bacteria), Tablets Type (Improvement of Intestinal Flora / Intestinal Activity), For Constipation and Soft Feces (Designated Quasi-Drug)
8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Usage and Dosage: Please take the following amount after eating. Adults (15 years and up), dose 2 tablets, wear 3 times a day. Recommended for ages 5 and up under 15 years. Quantity 1 tablet. Wear 3 times a day. *Do not use under 5 years
The effects of lactic acid produced by lactic acid bacteria: Lactic acid is a source of energy for the coli, and is an indispensable component for maintaining health. It is lactic acid bacteria that produces it. It also has the effect of encouraging healthy constipation and traffic, so it is recommended for those who have trouble with constipation or soft stool
Recommended for those who tend to be constipated, so you want to do something. Makes your stomach loose. We want to improve stomach tightness. I want to improve the intestinal flora and colon barrier, to tone the intestine
Effects: Orthopedic, constipation, soft stool, belly bloating. Product Size (W x D x H): 2.0 x 2.0 x 3.5 inches (5.0 x 5.0 x 8.9 cm). Contents: 180 tablets
(3 types of active bacteria will arrive as you get) Biosli comes from three types of active bacteria that increase lactic acid bacteria and bifidobacteria, lactic acid bacteria that is required to maintain the intestinal function, and lactic acid bacteria to help the growth of lactic acid bacteria. Improves intestinal flora and colon barrier, and helps regulate day-to-day stool

￥1,754 ￥2,670 34% Off
10

悩み解決ラボ

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On Amazon

【Live Lactic Acid Bacteria and Butyric Acid Bacteria Generously Blended】BIFIRAL Lactic Acid Bacteria Bifidobacterium Butyric Acid Bacteria Supplement 4.5 Trillion Units 30-Day Supply Domestically
7.8

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

🥛【Manufactured in a domestic GMP-certified factory for peace of mind】BIFIRAL is produced in a domestic GMP-certified factory, which has been thoroughly considered for quality control, so you can take it with confidence GMP certification is proof that the stringent standards applicable to pharmaceutical manufacturing have been met, and we ensure thoroughness in quality control as well This product is highly recommended for those who are health-conscious
【Content】30 tablets (approx. 30-day supply) 45g 【How to consume】Consume approximately 1 tablet per day with water or lukewarm water 🥛【Storage Method】Store in a place away from direct sunlight and high temperature humidity 🥛【Ingredients】Reduced digestion-resistant dextrin (domestically manufactured), Inulin (dietary fiber), Lactobacillus powder (Lactobacillus (sterilized), Dextrin), Lactobacillus freeze-dried powder (Maltodextrin, Lactobacillus freeze-dried powder (contains milk ingredients)), Galacto-oligosaccharide, Alpha-lipoic acid, Pomegranate juice powder (Pomegranate juice, Dextrin), Red wine extract, Acidophilus powder (Corn starch, Acidophilus) (contains milk ingredients and soy), Natto bacteria culture extract powder (Dextrin, Natto bacteria culture extract) (contains soy), Lactic acid bacteria metabolites (contains soy), Fructo-oligosaccharide, Raffinose, Xylo-oligosaccharide/Crystalline cellulose, HPMC, Calcium stearate, Gelling agent (Gellan gum), Tricalcium phosphate, Lactoferrin (milk-derived), Silicon dioxide, Tomato color 🥛MADE IN JAPAN
【Adopts acid-resistant capsules】We have adopted "acid-resistant capsules" that are difficult to dissolve in the stomach and can deliver them alive to the depths Regular capsules are easily dissolved in the stomach, but acid-resistant capsules can deliver live bacteria that are sensitive to heat and stomach acid all the way to the intestines
【1 bag contains 4.5 trillion lactic acid bacteria (equivalent to about 450 yogurts)】BIFRAL lactic acid bacteria supplement luxuriously combines lactic acid bacteria, Bifidobacterium, Butyric acid bacteria, and Nattokinase to support a clear internal flora lifestyle with just 1 capsule a day 🥛【Luxuriously blended with the representative of good bacteria】Contains 4 types of bifidobacteria, which are the representative of good bacteria, and 19 types of lactic acid bacteria, promoting live bacterial activity with "live" bifidobacteria and "live" lactic acid bacteria
BIFIRAL is recommended for those who want to improve their gut flora and those who are committed to creating a beautiful and healthy body Contains sufficient amounts of lactic acid bacteria, bifidobacteria, butyric acid bacteria, and nattokinase for daily health maintenance. Please consider incorporating it into your routine 🥛【Reason to Continue Using】Easy to drink and no concern about odor, it is a capsule type that you can take 1 tablet per day

￥2,340

10 Best 便秘改善 in 日本

【Specified Over-the-Counter Medicine】 Taisho Pharmaceutical Co., Ltd. New Biofermin S Tablets 550 Tablets 61-Day Supply Intestinal Regulator【Amazon.co.jp Exclusive】 [Lactic Acid Bacteria

【Specified Over-the-Counter Medicine】 Taisho Pharmaceutical Co., Ltd. New Biofermin S Tablets 550 Tablets 61-Day Supply Intestinal Regulator【Amazon.co.jp Exclusive】 [Lactic Acid Bacteria

Red Morimori Slim, 60 Tablets, Multi-Enzyme Supplement, Grain Type (46 Types of Plant Fermentation, 20 Kinds of Herbs, Dietary Fiber, Living Enzymes, Refreshing Every Day; Made in Japan)

Red Morimori Slim, 60 Tablets, Multi-Enzyme Supplement, Grain Type (46 Types of Plant Fermentation, 20 Kinds of Herbs, Dietary Fiber, Living Enzymes, Refreshing Every Day; Made in Japan)

Biosree Hi Tablets 270 Tablets [Designated Quasi-Drug] Intestinal Regulator [Butyric Acid Bacteria/Sugar Fermentation Bacteria/Lactic Acid Bacteria Blended] Tablet Type [Improves Intestinal Flora/Gut

Easy Fiber Tokuho [Official] [Plenty of Dietary Fiber! / Easy with Powder! Taste Remains the Same!] Indigestible Dextrin (Water-Soluble Dietary Fiber) [Foods for Specified Health Uses / 30 Packs]

Easy Fiber Tokuho [Official] [Plenty of Dietary Fiber! / Easy with Powder! Taste Remains the Same!] Indigestible Dextrin (Water-Soluble Dietary Fiber) [Foods for Specified Health Uses / 30 Packs]

Biosley Hi Tablets, 180 Tablets, Intestinal Medicine (Formulated with Butyric Acid / Glycated Bacteria/Lactobacillus Bacteria), Tablets Type (Improvement of Intestinal Flora / Intestinal Activity), For Constipation and Soft Feces (Designated Quasi-Drug)

Biosley Hi Tablets, 180 Tablets, Intestinal Medicine (Formulated with Butyric Acid / Glycated Bacteria/Lactobacillus Bacteria), Tablets Type (Improvement of Intestinal Flora / Intestinal Activity), For Constipation and Soft Feces (Designated Quasi-Drug)

【Live Lactic Acid Bacteria and Butyric Acid Bacteria Generously Blended】BIFIRAL Lactic Acid Bacteria Bifidobacterium Butyric Acid Bacteria Supplement 4.5 Trillion Units 30-Day Supply Domestically

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