R’s KOSO Review

R’s KOSO is a Japanese postbiotic superfood drink and cleanse founded in 2016. The drink is made from over 100 different fruits, vegetables, and plant-based ingredients and is fermented for about 1 year

R’s KOSO Review
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R’s KOSO was founded by Ryu Okada, a Japanese man who suffered from an unhealthy lifestyle during his first move to New York. His gut system is suffering, and his wife gave him Koso, a Japanese fermented drink

Okada then created a product to help people improve their gut health and overall well-being. Hencemademade a brand drink to improve gut health, boost immunity, and promote weight loss. 

Even known as a relatively new brand, it has quickly gained popularity due to its unique blend of ingredients and its focus on gut health. The brand has a strong social media following, with over 9,5K on Instagram and 1,9K followers on Facebook. 

If you want to know more about the drink, read this R’s KOSO review for more insights. So let’s move to the following section now! 

Why R’s KOSO?

Ryu Okada is the founder of R’s KOSO, a Japanese fermented drink made by fermenting raw materials, mainly fruits and vegetables. However, the brand is based in Los Angeles, which started when Ryu and his wife moved to NY to pursue their dreams.

Why R’s KOSO?
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After recovering from a flawed gut system Ryu and his wife wanted to provide this drink alternative to keep your gut healthy. Based on the Japanese fermented traditional beverage from 100 years ago, this fermentation process produces enzymes. 

Here, bacteria and microorganisms are well mixed with the base ingredients. Therefore, there are many health benefits that you can get from this super drink. Since it has been proven effective when consumed directly by Ryu and his wife daily.


  • 100% natural solution to a healthier gut and get balanced nutrition at the same time. 
  • No additional supplements are needed when you have all it takes— postbiotics, prebiotics, probiotics, and other micronutrients. 
  • Various healthy recipes are available on their website— from delicious dietary meals to skin care recipes, you name it. 
  • Free shipping around the US for orders above $50. 
  • Receive a 10% discount when subscribing. 
  • The rewards are also available for you to redeem with free sign-up and earn points every time you shop. 
  • 1.5K likes and 1.8K followers on Facebook. 
  • 5 out of 5-star ratings from customers. 

With that being said, take care of your gut health from now on. This fermented beverage brand from R’s KOSO is guaranteed to use natural and safe ingredients.

What’s on R’s KOSO

At first glance, the R’s KOSO supplement looks like an alcoholic drink but make no mistake. This is a super drink with mixed nutritional contents, especially for your gut problems.

What’s on R’s KOSO
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This is also a next-generation supplement that presents prebiotic and probiotic compounds that have gone through a fermentation process. It produces metabolites which are then fermented into a series of processes resulting in postbiotic products.

So, what’s on this company that makes it so popular amongst many people today?

For further information, check the following R’s KOSO review below. In addition, you can contact them or visit their website directly. 

R’s KOSO Japanese Postbiotic Drink Reviews

R’s KOSO Japanese Postbiotic Drink is available in 474ml / 16oz bottles. In each bottle, there are many nutrients, mainly postbiotics, probiotics, and prebiotics. It’s well known for its benefits for the body to be consumed every day.

R’s KOSO Japanese Postbiotic Drink Reviews
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Its natural ingredients come from 100+ different types of fruits, vegetables, plants, mushrooms, and even seaweeds. It’s generally fermented for up to one year before being consumed. All the benefits of this Japanese Postbiotic Drink include:

  • 100% using natural ingredients
  • Vegan-friendly, gluten-free, non-GMO, and dairy-free.
  • 70 years of experience in making Koso.
  • Improve gut health.
  • Maintain a healthy weight.
  • Rich in antioxidants.
  • Improve the immune system.
  • Improve digestion.
  • Help with sleep and mental clarity.

So order your Koso drink today for a one-time purchase of $99.00. Or, you can save 25% when you subscribe to them. Furthermore, free shipping applies to this order.

R’s KOSO Cleanse Reviews

R’s KOSO Cleanse is actually like drinking a cold-pressed juice cleansing method. In fact, it is a traditional Japanese cleansing juice that has been proven to keep your gut healthy. Thus, cleansing with this brand is the best way to reset your digestive system and also to restore your microbiome health.

R’s KOSO Cleanse Reviews
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The main ingredient of Koso cleansing is its richness in prebiotics, probiotics, and digestive enzymes. They guarantee immediate results after regular consumption.

Your gut health will improve, your digestion is better, you’ll have more energy, and you’ll definitely lose some weight. Here are 3 of the recommended Koso Cleanse programs that you need to try, include:

  • Breakfast Koso Cleanse— change your daily breakfast with one Koso serving (2 tsp/30ml/1oz). 1 bottle lasts for 2 weeks.
  • 1-Day Koso Cleanse— eat regularly for 6 days and start fasting on the 7th day with 3-5 servings. 1 bottle will last 3-4 weeks.
  • 3-Day Koso Cleanse— 1 bottle for 3 days (3-5 servings for 3 days straight without any food and drinks). This means that you’ll fast for 3 days.

You’ll be in love with this Koso Cleanse, particularly the 3-Day Cleanse program, since it’s the most popular one. Visit their website now to see the best deals and offers, such as 25-30% off for subscribing. Also, find out which Cleanse plan is right for you.

R’s KOSO Pricing

R’s KOSO is a Japanese postbiotic drink made from a blend of over 100 fruits and vegetables. Their products aim to improve gut health, digestion, and overall well-being. The drink is available in 2 sizes: a single bottle for $99 or a 3-pack for $297.

Some products may be sold at a high price. For example, Renew Life Ultimate Flora Probiotics + Prebiotics is available for $39.99 only for a 30-day supply. Nevertheless, other more affordable options are available if you are on a tight budget.

Here is a table that summarizes R’s KOSO drink price: 

Product Size Price
R’s KOSO Single bottle $99
R’s KOSO  3-pack  $297
Renew Life Ultimate Flora Probiotics + Prebiotics 30-day supply  $39.99

The brand’s drink does contain a higher concentration of postbiotics than other products, which may justify the higher price.

R’s KOSO Pros & Cons

From customer reviews, R’s KOSO super drink products are considered healthy, not only for gut problems but for various other health problems. Since this is a review, it’s good to know its pros and cons.


  • It comes with so many benefits.
  • Fast results.
  • It can be taken as a meal replacement or as an inter-meal snack.
  • Pleasant smell and good taste.
  • Easily adaptable to a new routine.


  • A little bit pricey.
  • The sugar content is a bit high.
  • It might not help with constipation.

R’s KOSO Customer Reviews

Before closing the review, this section will discuss customer testimonials. If you are curious about how people react, keep reading this section now without further ado! 

R’s KOSO Customer Reviews
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575 customers are satisfied with KOSO and give 5 stars. Meanwhile, here is what a customer said: 

It is my first bottle. but I can tell a significant difference! I don’t buy it as a weight loss aid, but my stomach is indeed getting flatter after a few weeks. …

This customer is delicate because the KOSO drink gives significant results. His stomach is getting flatter after several weeks of consumption! 

Another customer said: 

I’ve been consuming KOSO once daily for my gut health. One of the first thing I have noticed is that it reduces my bloating tremendously.

This customer is also happy because she gets reduced bloating after once-daily consumption. 

In short, R’s KOSO performs the best service and drinks to clean your gut. Its result is tremendous, making people satisfied with their purchases. 

Is R's KOSO Worth It?

If you want a drink that can improve your health and well-being, R’s KOSO is worth investing in. Their drinks are a bit more pricey than some other probiotic drinks, but they are also made with a higher concentration of probiotics and prebiotics.

Is R's KOSO Worth It?
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Some people using R’s KOSO have reported improved gut health, such as reduced bloating, improved digestion, and increased energy levels. But it may be helpful to talk to your doctor first if you are considering trying KOSO from this company. 

Where to Buy R's KOSO

Customers who want to be healthier can purchase KOSO from this company in 2 ways: the official website and marketplace such as Amazon. Both methods provide original drinks so that you don’t need to scare of scams. 

Furthermore, the team will send your package domestically and internationally. It ships to India, Singapore, Malaysia, Australia, and even the UK! Thus, click the link below and start shopping now! 

R's KOSO Customer Service

Should you be curious about the products and need assistance, don’t hesitate to get in touch with customer service via these methods:

You may also ask immediately on the Live Chat at the bottom right of the website. Furthermore, the company is welcome if you want to meet them at the following address. 

R’s KOSO Headquarters
12130 Millennium Dr
Los Angeles, California
90094, United States


Hopefully, this R’s KOSO review is beneficial in terms of changing your diet for a healthier gut. There are more people who see immediate results than those who don’t.

In this case, it’s worth buying because people see their gut health improves along with other health benefits. So, there’s no harm in trying R’s KOSO postbiotic drinks and cleanse program.

With persistence, you will definitely feel the difference. In the meantime, prove yourself by consuming this fermented drink from natural ingredients that are good for your overall health. So leave Reddit and start purchasing KOSO now! 

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