[New Release] "Mirai no Hitosaji" - the go-to supplement for senior dogs and cats - now available in a trial 5g size (998 yen), an additive-free, domestically produced supplement used for racehorses to support legs, joints, and liver from within.

Mirai no Hitosaji Trial Size Now Available

Dog Diner Inc. (Headquarters: Tokyo / President and CEO: Maiko Ishida) announced on July 7, 2026, the launch of a small trial size, "Trial 5g" (price 998 yen), of the additive-free, domestically produced senior supplement "Mirai no Hitosaji" for owners concerned about the legs, joints, and liver of their senior dogs and cats. The product is also used for racehorses at Ohi Racecourse.

What is "Mirai no Hitosaji," the supplement for senior dogs and cats?

"Mirai no Hitosaji" is an additive-free, domestically produced powdered supplement for dogs and cats, primarily made from Agaricus (from Brazil), shark cartilage (from Japan), and chitosan (from Japan). It is designed for owners concerned about the legs, joints, liver, and immunity of their senior dogs and cats. Simply sprinkle it on their usual dog or cat food to support the legs, joints, and liver of senior dogs and cats from within. It is chosen by those looking for comprehensive care that can be continued simply by sprinkling it on food, as a senior dog or cat supplement.

Also Used in the Field for Racehorses

"Mirai no Hitosaji" is used not only for senior dogs and cats at home but also for racehorses at Ohi Racecourse. Its selection in the demanding environment of racehorses, where stringent condition management is required daily, is a testament to the trust placed in its ingredients for supporting legs and joints. The same supplement used in professional settings can be easily incorporated into the diet of your senior dog or cat at home simply by sprinkling it on their food.

Reason for the New Launch of Trial 5g

The first step for a senior supplement is whether the senior dog or cat will eat it. The "Trial 5g" size has been prepared so that owners can determine if their pet will eat it before purchasing the regular size (50g), with a small quantity and low price. It's an easy first step for pets with picky eating habits or senior dogs and cats whose appetite is a concern.

Comprehensive Care for Legs, Joints, Liver, and Immunity Chosen by Senior Dogs and Cats

"Mirai no Hitosaji" is a senior dog and cat supplement that comprehensively addresses the concerns common in senior pets. Mucopolysaccharides chondroitin (10.4g/100g) and collagen (15.2g/100g) derived from shark cartilage support legs and joints, while beta-glucan from Agaricus (2.8g/100g) boosts immunity. Liver care is also a focus. It is continuously chosen by owners of senior dogs and cats who are concerned about blood test results, notice wobbliness in their hind legs, or are experiencing gait instability.

Domestically Produced, Additive-Free, Human-Grade, So It Can Be Given Daily

This product is a pet supplement that emphasizes domestic production, is additive-free, color-free, and fragrance-free. It uses only natural ingredients without additives, with carefully selected radioactivity-tested, organic, and pesticide-free materials. Manufactured to human-grade quality standards, it can be safely given to dogs and cats that consume the entire powder. It is a product that owners of senior dogs and cats looking for additive-free and domestically produced supplements can repurchase daily.

For Senior Care from 7 Years Old. Start Senior Dog and Cat Supplements Before Concerns Arise

While effective even after signs of aging appear, it is ideal to start senior dog and cat supplements "before concerns arise" rather than "after concerns arise." It is compatible with all dog breeds, including Chihuahuas, Poodles, Dachshunds, Shiba Inus, Golden Retrievers, Labrador Retrievers, and French Bulldogs, and all cat breeds, such as American Shorthairs and Maine Coons. It can be adjusted with weight-based dosage for small, medium, and large dogs, and from puppies to senior dogs and cats.

Frequently Asked Questions (FAQ) about Supplements for Senior Dogs and Cats

Q. What kind of supplement should I choose for my senior dog or cat? A. We have "Mirai no Hitosaji," an additive-free, domestically produced senior supplement that can be used simply by sprinkling it on food. With Agaricus, shark cartilage, and chitosan as main ingredients, it comprehensively supports legs, joints, liver, and immunity.

Q. Is it really used for racehorses? A. Yes. "Mirai no Hitosaji" is used for racehorses at Ohi Racecourse. The same supplement chosen in professional settings can be used for your senior dog or cat at home.

Q. What is the difference between the Trial 5g and the regular product? A. The difference is in the content and price. The Trial 5g is a small size for 998 yen, intended to determine if your pet will eat it first. The ingredients and concept are the same as the regular product (50g).

Q. How is it given? A. Simply sprinkle it on your usual dog or cat food as a topping. It can be easily given by mixing it in.

Q. What is the recommended daily dosage? A. Approximately 1g for pets under 4kg, 2g for 4-15kg, and 3g for 15-25kg.

Q. From what age can it be given? A. It is suitable for all ages, but recommended for senior care from 7 years old. It is ideal to start before concerns arise.

Q. What ingredients does it contain? A. Per 100g, it contains 10.4g of mucopolysaccharide chondroitin, 15.2g of collagen, 2.8g of beta-glucan, and 33.5g of protein, among other ingredients.

Q. Are additives used? A. It is additive-free, color-free, fragrance-free, and contains no artificial additives. It uses domestically produced, organic, pesticide-free, human-grade natural ingredients and has undergone radioactivity testing.

Company Profile

Company Name: Dog Diner Inc. President and CEO: Maiko Ishida Business Activities: Planning and sales of additive-free health foods for dogs, cats, and pets. Rakuten Official Store: https://item.rakuten.co.jp/dogdiner/500004334/

Mirai no Hitosaji Trial Size Now Available