Shinya Koso

Shinya Koso is a Japanese brand that is also becoming available in the West. All four supplements in the range are called Late Night Meal and contain enzymes along with other ingredients

Shinya Koso Overview

What you need to know about Shinya Koso

Shinya Koso is a Japanese range of four supplements, all described as Night Time Meal supplements that are supposed to block the effects of overeating and drinking, as well as pep up your metabolism.

The main ingredient throughout is the probiotic fungi Koji Mold but although the supplements are confusingly similar, there are differences between each one. Even more confusingly, you don’t have to take the supplements at night but instead throughout the day or as when required.

Japanese supplements are becoming popular in the west, so be aware that there are different brands on sale via Amazon which look extremely similar to Shinya Koso, but are in fact different products.

What are the side effects of Shinya Koso?

There may be a few side effects to some of the ingredients contained in these supplements.

Chitosan and fish collagen may cause allergic reactions so do not take if you are allergic to seafood. Some people are allergic to Papaya too and it can cause watery eyes, congestion, wheezing, and skin rash if you are sensitive.

Garcinia Cambogia can cause side effects such as abdominal pain, bloating, gas, and headaches.

Nattokinase has a blood thinning effect so will not be suitable if you are taking blood thinning medication or have any associated medical issues.

How much does Shinya Koso cost?

The best place to buy Shinya Koso is via the Takaski website, which offers free shipping from Japan.

• Late Night Meal Gold costs $68.00 (£55.02) for a box of 30 tablets
• Shinya Koso Late Night Meal (blue) costs $32.00 (£25. 89)
• Shinya Koso Late Night Big Meal (Ukon Turmeric and ginger) costs $37.90 (£30.67)
• Shinya Koso Late Night Meal Diet and Beauty costs $33.70 (£28.00)

You can obtain discounts on bulk orders.

There is a very similar looking brand named as Shintani sold on Amazon, but we cannot guarantee that this is the same product range under a different name.

Shinya Koso Key Features

Shinya Koso is a Japanese supplement brand that is manufactured in Japan and aimed at the Japanese market. If you are not in Japan, the Takaski website caters for overseas customers and ships worldwide from its headquarters in Tokyo. Shinya Koso is also on sale via some supplement sites that specialise in Japanese supplements.

Be warned. This is confusing and with four different products with practically identical names, plus some dodgy translation, things can soon get messy!

There are four supplements in The Shinya Koso range. All supplements contain enzymes and, according to the product information, are designed by Dr Hiromi Shintani. There is no reference to this doctor away from the advertising for this supplement, but it sounds impressive!

One of the most widely advertised is Shinya Koso Late Night Big Meal Diet Enzyme, which comes in tablet form and is packaged in a brown and yellow box. This is aimed at people who have eaten a big meal and now want to minimise the fattening effects. This supplement contains Ukon Turmeric and Ginger and with a picture of a toilet on the packaging, it seems that the message here is that this supplement will have a laxative effect, although this is never explained.

There is Shinya Koto Late Night Gold which comes, as you may expect, in gold coloured packaging. This is the most expensive supplement in the range and contains Koji mold culture, 800mg of digestive enzymes, plus chitosan, a fat blocker derived from seafood, Gymnema Sylvester, and more. This is also in tablet form. The box is clearly marked Gold and shows a knife and fork and plate on the packaging.

Shinya Koso Late Night Meal, called Yoru Osio by some sellers, is packaged in a blue box displaying the knife fork and plate. This contains only 400mg of enzymes (Gold contains 800mg), and other ingredients include rice malt bacteria extract (enzymes) plus garcinia cambogia, the bacteria lactobacillus, and Chinese cinnamon. As with the previously mentioned supplements, it is in tablet form.

The final supplement is Shinya Koso Late Night Meal Diet and Beauty, which contains ingredients aimed at improving skin tone as well as losing weight. This is packaged in a pink box.

Although the four supplements are different products containing supposedly different ingredients, the overriding message is that they will reduce the effects of eating and drinking, increase your metabolism, and help you lose weight by increasing your metabolism, so you don’t have to bother with a calorie controlled diet.

Because Shinya Koso is targeted as Japanese consumers, all the product information and advertising are in Japanese so if this is not your native language, you do have to rely on the various advertisers’ translation.

Worryingly, there is no official website and as with supplements anywhere, this lack of an official website is of concern.

What does Shinya Koso claim to do?

None of the information about these supplements is very clear and many sellers have mixed up the products and applied their own dodgy translations as well as made things up. However, the basic idea is that all of these supplements will take away the effects of overeating and help you lose weight.

According to the advertising for the blue packaged Late Night Meal (Yoro Osio), this supplement is made with “400mg of enzyme which powerfully absorbs excess fat, helping you keep control of your weight even after a late night meal”.

“On a diet but just had a late night meal? Don’t worry – here is SHINYA KOSO Late Night Big Meal Diet – Enzyme, Ukon & Ginger 180 Tablets (30 meals).”

“Shinya Koso Late Night Meal Diet with alive enzyme which can decompose carbohydrate, lipid and protein, makes your diet easier! It is a type of metabolic support supplement, limit sugar absorption and break down carbohydrates.”

The advertising for Shinya Koso Late Night Big Meal Diet Enzyme goes even further. According to the product information taking a sachet of tablets with water, “breaks down 10.4 bowls of rice, 204g of sugar, 6.46 pieces cakes, 68.7 mugs of beer!”.

 Wow! What a night out that sounds!

With inconsistent product information, inadequate ingredients information, wild claims, and dodgy translation skills employed by multiple sellers, it is hard to see just what Shinya Koso will do!

Does Shinya Koso work?

It seems highly unlikely. What is certain is that you cannot trust these supplements. The ingredients information is inconsistent so you won’t know what you are taking, and although ingredients such as Koji Mold (Aspergillus Oryzae) may have real probiotic benefits, Shinya Koso is not a good way to test out these benefits for yourself.

This supplement contains unknown quantities of ingredients, and it is hard to distinguish one supplement from another. None of the supplements come with a complete ingredients profile.

We have concerns about the impossible claims of the advertising that promises you can drink 68.7 mugs of beer, 6.46 pieces of cake, or 10.4 bowls of rice without adding to weight. This is impossible.

Although Japan is known for health research and Japanese people known for their longevity and healthy diet, not everything that comes out of Japan is good quality and effective.

In our opinion, these supplements look to be low-quality gimmicks that are more likely to cause side effects than do anything at all for your health or weight loss.

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Shinya Koso Ingredients

There are four supplements in the range. We have compiled this thanks to advertisers, so there are gaps in the ingredients information. We suspect that all the supplements may contain roughly the same ingredient profile

Shinya Koso Late Night Big Meal Diet Enzyme: Serving size is up to 6 tablets a day.

• Koji mold culture: Koji mold or Aspergillus Oryzae is a fungus which is widely used in food production in Japan and China, especially in soybean fermentation. It is a probiotic enzyme and may help digestion and gut health. Koji is the main probiotic in Miso, Soy sauce, and Sake, and very important to the Chinese and Japanese. Its first recorded use was in China BC300.
• Ukon Turmeric (41mg): This trademarked product which contains wild turmeric (curcumin) plus minerals, vitamins, and oils, including flaxseed oil and olive oil. It is a general health supplement that is made in Osaka Japan. Source
• Ginger: Well known culinary ingredient, ginger contains powerful chemicals that help reduce inflammation and nausea, working mainly in the digestive system. Source

Shinya Koso Late Night Meal:

• Koji Mold Culture extract (250mg): As above.
• Papaya Processed Products (150mg): We guess this means papaya extract. Papaya contains a chemical called Papain and may be useful in the treatment of internal parasites and gastric problems. More recently, research has been investigating Papain for numerous applications including as prevention of gastric ulcers and some types of cancer. Source
• Garcinia Cambodia Extract (100mg): Garcinia Cambogia is a fruit that grows in Asia and known for the sour taste. It is high in Hydroxycitric acid (HCA) which is supposed to help weight loss by blocking carbs, but there is very little real evidence that it is worth taking because results are minimal. Here in very low quantities.
• Zinc Yeast (40mg): Zinc enriched yeast is considered an effective way to take zinc in supplement form because it is very easily absorbed by the body. Zinc is a mineral which is very important for health, especially the immune system but it is involved with many bodily processes including healthy eyes, mood, mental health, male fertility, and more. Serving size here seems safe.

Shinya Koto Late Night Gold

• Koji mold culture (800mg): As above. There does not seem to be much information regarding the optimum serving size of Koji mold.
• Chitosan: Chitosan is a natural sugar derived from the outer skeletons of seafood, such as lobsters crabs and shrimps. It is a highly fibrous substance that may block the absorption of fat and cholesterol. There is not much evidence for it, but it may work. Quantities here unknown.
• Gymnema Sylvester: Indian climbing shrub that decreases the absorption of sugar. It may be effective for helping sugar control in diabetics, but it requires further evidence.

Shinya Koso late Night meal Diet and Beauty

• Nattokinase (50mg): Obtained from natto, a Japanese food, this enzyme is supposed to improve your cardiovascular health and boost metabolism as well. No scientific evidence is there to prove these effects though.
• Hyaluronic Acid: This natural compound is supposed to burn fat by boosting metabolism, but clinical data does not support these claims.
• Fish Collagen: It is supposed to increase your intake of collagen, which in turn, support lean muscle mass and help you burn fat even when you are resting. It only seems to be effective if you already have good muscle mass and are trying to build more.
• Chondroitin: Chondroitin is part of the substance that makes up cartilage in your joints. It is usually derived from animal products such as cow cartilage and used for joint pain. Source
• Vegetable Lactic Acid: It is included in the blend more so to improve your skin than to boost weight loss.

Shinya Koso Side Effects

There may be a few side effects to some of the ingredients contained in these supplements.

Chitosan and fish collagen may cause allergic reactions, so do not take if you are allergic to seafood. Some people are allergic to Papaya too and it can cause watery eyes, congestion, wheezing, and skin rash if you are sensitive.

Garcinia Cambogia can cause side effects such as:

• Abdominal pain
• Bloating
• Gas
• Headaches

Nattokinase has a blood thinning effect, so will not be suitable if you are taking blood thinning medication or have any associated medical issues.

Shinya Koso Customer Feedback

You cannot find many reviews for Shinya Koso, but whatever little information you can find is enough to suggest that the product does not work as claimed by the manufacturer. Here are some examples:

I have been using these tablets for a few weeks and have not seen any effect.

I think my body is not getting used to these tablets, as I always notice stomach distress after taking them at night.

Shinya Koso Money-Back Guarantee

No, you do not get a money-back guarantee with this product.

Where To Buy Shinya Koso

You need to search online for Shinya Koso. You can buy it from the Japanese-based website ‘Takaski’. We also found it advertised on a UK site called ‘I love Japan’ and other niche retailers.

Watchdog Verdict

We are very confused by this supplement range! The product information is inadequate, the names are practically identical and all the proper information is written in Japanese. In our opinion, the supplements industry is confusing enough without adding a new issue of unusual ingredients written in a different language.

Shinya Koso may be OK and it does actually look much safer than we expected, but as you should never buy supplements without knowing exactly what they contain, we cannot recommend these supplements.

We do not recommend Shinya Koso to the Watchdog readers.

How does Shinya Koso compare to Phentaslim?

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About the author: Rachel Butler

Rachel likes getting to the bottom of everything that is put in front of her, which comes from her background in law. Whenever there is anything tricky to look at, Rachel is always the first port of call.

Her weekends are spent either cycling or walking, then topped off by indulging her love of chocolate as a reward for her hard work.