Introduction

Probiotics are living bacteria and yeasts that provide health benefits when ingested in large amounts.

They can be taken as supplements or naturally through fermented foods like yoghurt, kefir, sauerkraut, kimchi, and kombucha.

The health advantages of probiotic supplements and foods have been well reported, including a lower risk of infections, improved digestion, and lowered risk for some chronic diseases.

While there are many health advantages linked to taking the best probiotics for kids in Japan, there can also be side effects. Most of these are insignificant and only affect a small percentage of the population.

Probiotics are living microorganisms that supply health benefits when ingested in large quantities. They can be taken as supplements and occur naturally in fermented foods.

Probiotics are safe for most of the population, but side effects can happen. The most common side effects are a temporary boost in gas, bloating, constipation, and thirst.

Some people can also react poorly to components used in probiotic supplements or to innately occurring amines in probiotic foods. If this occurs, stop utilizing probiotics.

In rare cases, people with compromised immune systems, prolonged hospitalizations, or recent surgeries may acquire an infection from probiotic bacteria. People with these disorders should consider all the factors before consuming probiotics.

Probiotics for Kids in Japan

Our pick of the 7 best probiotic supplements for kids of 2024 in Japan

Zotezo Score
Best Probiotics for Kids
Lowest Price

B+

¥960.00

¥673.00

B+

¥2,319.00

¥2,319.00

B

¥7,800.00

¥7,800.00

C+

¥3,840.00

¥3,599.00

C+

¥5,540.00

¥5,540.00

C+

¥2,538.00

¥2,538.00

C+

¥2,800.00

¥2,800.00

Let's take a deep dive into these 7 best Probiotics for Kids in Japan

Best Overall Probiotics for Kids in Japan

ユニマットリケン

B+

Zotezo review

The “Unimat Riken Children’s Lactic Acid Bacteria Calcium Chewable Tablets, 90 Tablets” are a child-friendly supplement containing calcium and lactic acid bacteria. The convenient 90-tablet pack makes it easy to incorporate into a child’s daily routine.

Product details

  • Child-friendly chewable format

  • Contains calcium and lactic acid bacteria for kids

  • Convenient 90-tablet pack

  • Small and portable packaging

Benefits of Unimat Riken Children’s Pr...

  • Child-friendly chewable format

  • Contains calcium and lactic acid bacteria for kids

  • Convenient 90-tablet pack

B+

Zotezo review

The “チャイルドヘルス 5ml Lロイテリ菌・プロテクティス株液” offers moisturizing properties and supports child health with the inclusion of the Lactobacillus Protektis strain. However, users may find it challenging to dispense from the bottle, and its high price point could discourage repeat purchases.

Product details

  • Moisturizing properties

  • Contains Lactobacillus Protektis strain

  • 5ml volume

  • Child health support

Benefits of Child Health Lactobacillus Probi...

  • Contains Lactobacillus Protektis strain

  • Moisturizing properties

  • Supports child health

Weaknesses

  • Difficult to dispense from the bottle

  • High price point may deter continuous purchase

ビーアンドエス・コーポレーション

B

Zotezo review

The “Lactis Lactic Acid Bacteria Supplement with Bifidobacterium [4 Trillion Fermentation Power]” offers a potent probiotic formula with a 30-day supply. However, potential customers may find it challenging to select the most suitable probiotic due to the product’s limited information on noticeable effects.

Product details

  • Lactic acid bacteria production extract supplement

  • Contains Bifidobacterium [4 trillion fermentation power]

  • Probiotic supplement

  • 10ml per serving, 30-day supply

Benefits of Brand Probiotic Supplement with ...

  • Contains Bifidobacterium [4 trillion fermentation power]

  • Probiotic supplement

  • 30-day supply

Disadvantages

  • Finding the right probiotic may be challenging due to various options available

  • Limited information on noticeable effects from consuming the product

California Gold Nutrition

C+

Zotezo review

The California Gold Nutrition LactoBif Probiotics offer a potent dose of 300 billion CFUs in plant-based capsules, making it an excellent choice for those seeking high-quality probiotic supplements. However, potential eye discomfort and limited availability for specific dietary preferences are drawbacks to consider.

Product details

  • Contains 300 Billion CFUs of Probiotics

  • Plant-Based Capsules

  • 60 Capsules per Bottle

  • Imported Parallel Product

Benefits of CGN LactoBif Probiotics 300 Bill...

  • Contains 300 Billion CFUs of Probiotics

  • Plant-Based Capsules

  • Imported Parallel Product

Negatives

  • Potential eye discomfort

  • Limited availability for certain dietary preferences

C+

Zotezo review

Inner Health Baby & Kids Live Probiotics Supplement offers a convenient powder form tailored for young children, containing 100 billion live probiotic bacteria. While it supports gut health, some users may find the powder form less appealing and desire more detailed benefits for babies and children.

Product details

  • Contains live beneficial probiotics - L. ラムノサス LGG 50 billion and B. ラクチス BB-12 50 billion

  • Specifically formulated for young children

  • Powder form for easy consumption - can be dissolved in liquid

  • Mildly sweet taste for child-friendly consumption

  • Supports gut health and overall well-being

  • Each capsule contains 100 billion live probiotic bacteria

Benefits of Inner Health Baby Probiotic Supp...

  • Powder form for easy consumption

  • Specifically formulated for young children

  • Contains 100 billion live probiotic bacteria

Cons

  • Powder form may not be preferred by all users

  • Limited information on specific benefits for babies and children

C+

Zotezo review

The product “リケン こども乳酸菌カルシウムチュアブル 90粒x4個セット” is a convenient chewable tablet offering probiotics, calcium, and a yogurt-like flavor suitable for both children and adults. While some users may find the fruit flavors overly sweet and the product may not be the most budget-friendly, its easy consumption and nutritional benefits make it a good choice for those seeking these specific features.

Product details

  • Chewable tablet form for easy consumption

  • Contains probiotics and calcium

  • Yogurt-like flavor

  • Suitable for children and adults

  • Provides daily intake of calcium (30mg), Vitamin C (79mg), Vitamin D (4.7μg), and probiotics (30 billion units) in 3 tablets

Benefits of Riken Kids Probiotic Calcium Che...

  • Chewable tablet form for easy consumption

  • Contains probiotics and calcium

  • Yogurt-like flavor

  • Suitable for children and adults

Drawbacks

  • Some users find the fruit flavors too sugary

  • The product may not be the most cost-effective option for some customers

有限会社ランエン(RANEN CO.,LTD.)

C+

Zotezo review

The “康葉KIDS ビフィズス菌 植物性乳酸菌K-2 ラクトフェリン サプリメント オリゴ糖 子供用 腸内 フローラ 純国産 20日分” supplement is a comprehensive option for supporting children’s intestinal health, featuring beneficial ingredients like Bifidobacterium, Lactic acid bacteria, plant-based enzymes, and Lactoferrin. While it may not yield immediate results, it offers a suitable solution for maintaining a healthy intestinal flora in children.

Product details

  • Contains Bifidobacterium and Lactic acid bacteria

  • Includes plant-based enzymes

  • Formulated with Lactoferrin

  • Suitable for supporting children's intestinal flora

Benefits of 康葉KIDS Probiotic Supplement fo...

  • Contains Bifidobacterium and Lactic acid bacteria

  • Includes plant-based enzymes

  • Formulated with Lactoferrin

  • Suitable for supporting children's intestinal flora

Weaknesses

  • May not provide immediate, dramatic results

  • Reliance on the supplement for improving intestinal health

Tips for choosing the right probiotic supplements for kids for you

Quality

The FDA regulates a few probiotics, but not all. Ensure that the probiotic is quality checked by a reputable third-party organization or the FDA.

Next, check out the ingredients list. It should list what kind of microorganisms are present in the probiotic.

Another thing to check for on the ingredients list is whether it contains any fillers, sugars, or allergy-friendly.

Many of the best probiotics for kids in Japan are gluten-free, wheat-free, milk-free, peanut-free, soy-free, and egg-free, while others are not.

Choose a probiotic that, if sweetened at all, utilizes a naturally tooth-friendly sweetener like xylitol. Also, see the expiration.

Any expired thing means the organisms may no longer be alive. Many organizations will guarantee the viability of the microorganisms until the expiration date is printed on the packaging.

Consider your child’s age

Your child’s age will impact the number of colonies forming units of the beneficial bacteria.

An infant’s gut microbiome is very weak and lacks diversity compared to adults. It is estimated that young babies have approximately ten different species, whereas adults have over 1000 species.

A baby’s microbiome born vaginally is mainly made of Bifidobacterium species versus an adult’s microbiome, which is dominated by Lactobacillus species.

After 2, the child’s gut microbiome composition is similar to an adult’s and is much more stable.

As a result, you’ll want a probiotic supplement with a higher dosage of beneficial bacteria in children over 2. And, you won’t need to be limited to just kids’ specific products and brands.

You may also want to assess your gut health if you’re breastfeeding, as bacteria will be transferred from the intestines to your baby’s body through your breastmilk.

Strains

When choosing the best probiotic supplements for kids in Japan for your child, the amount of each strain is essential. You’ll see numbers detailed on the probiotic supplement as colony-forming units (CFUs).

Most studies suggest the minimum quantity of bacteria required to generate therapeutic effects is 109. So it would be best if you thought billions when choosing a supplement.

Some of the gummies and chewable probiotics made for kids or packaged probiotic foodstuffs like bars you’ll find in the supermarket don’t have a high sufficiently dosage to gain any health benefits.

The dosage should be 5-10 billion CFU for infants per day. For children over the age of 2, the preferred dosage should be 10-25 billion CFU per day.

Your child may need more of a specific strain for chronic health matters to gain health benefits.

Products listed here are carefully reviewed and tested by our expert authors and reviewers. If you buy through links on this page, we may earn a small commission. Here’s our editorial process.

How we reviewed these products

Benefits of using probiotic supplements for kids

It benefits babies even before they are born

Earlier this year, a study found that probiotics can lower the risk of pregnancy complications like preeclampsia and premature birth, mainly when consumed in the first and third trimesters.

When pregnant women get probiotic-rich milk late in pregnancy, it lowers their preeclampsia risk by 20%.

Taking probiotics early in pregnancy decreased the preterm delivery risk by 11 to 27%. Talk about providing your baby a healthy start. Reduces your baby’s risk of developing eczema and allergies

A New Zealand research team recently found that eating yoghurt daily by age one reduced eczema and allergies in babies by up to 70%.

While the AAP suggests waiting to introduce cow’s milk to a baby’s diet until age one, other milk-based products like cheese and yoghurt are safe.

And a new study discovered that serving yoghurt regularly helps check allergies better.

It helps reduce the risk of upper respiratory tract infections

A 2016 study found that the best probiotics for kids in Japan outperformed placebos in reducing the incidence of upper respiratory tract infections and the number of days absent from daycare or school.

And considering RTIs are one of the most common health issues encountered by children worldwide, they can help us all breathe a little easier.

Provides relief to babies with colic

The American Academy of Pediatrics gave a study that found that the probiotic strain Lactobacillus reuteri was more effective than a placebo at curing colic in babies.

The “probiotic group was nearly twice as likely as the placebo group to experience treatment success” at the testing time points.

The babies fed probiotics cried relatively less than their placebo counterparts. Some studies have even found that probiotics appear naturally in breast milk to protect babies from inflammation and infection.

Helps ease diarrhea

Infants and children given probiotic foods while suffering from acute viral gastroenteritis encountered a shorter duration of symptoms by about one day.

Additionally, an American Family Physician review discovered that they could help treat inflammatory bowel disease. The effects can be similar for adults, so feel free to steal a few spoonfuls if your belly is bothering you.

Side-effects of using Probiotics for Kids

Probiotics are safe for most of the population, but side effects can occur. The most common side effects are a temporary increase in gas, bloating, constipation and thirst. Some people can also react poorly to ingredients used in probiotic supplements or to naturally occurring amines in probiotic foods.

Daily intake of oral probiotic preparations is commonly recommended, but some trials have used twice-weekly dosing. Preparation strength is usually measured as million/billion colony-forming units (CFUs) per capsule.

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Frequently asked questions on probiotic supplements for kids

1. Do probiotic gummies work?

2. Who should not take probiotics?

3. Should you take probiotics every day?

4. Do doctors recommend probiotics?

5. Should you take probiotics in the morning or at night?

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Conclusion

The main job of probiotics, or good bacteria, is to maintain a healthy balance in your body. Choose the best probiotics for kids in Japan from our list to provide your kids with the best health benefits.

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Keep us posted in the comments below and share it with your friends, families, and beloved ones. 

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Dt. Stacy Gulbin

RD, M.Ed., MS

Dietitian verified

Stacy has been a registered dietitian since 2010, She is currently working as an author, and clinical dietitian at Zotezo. She has experience in various fields of nutrition including research, fitness, medical weight loss, long-term care, rehab, and bariatrics. She has also been contributing to various online entities since 2011 including Examiner.com, Livestrong, and Cdiabetes.com