H&JIN BARRIER – Allergy Relief Probiotic for Dogs & Cats

Your pet’s gut does more than digest food. It contains trillions of beneficial microorganisms — known as the gut microbiome — that help regulate immune balance, inflammation, and skin health.

When the gut microbiome is balanced, the immune system responds appropriately. But when disrupted, it can become overly reactive, contributing to recurring itching, redness, paw licking, and skin flare-ups.

Common disruptors include:

• Antibiotics
• Long-term steroid use
• Stress
• Aging
• Sudden diet changes

When this balance is disrupted, the immune system may begin overreacting to everyday triggers, increasing and skin sensitivity. In many pets, the skin is where this internal imbalance shows up first.

That’s why antihistamines and steroids often provide only temporary relief — they help suppress symptoms, but don’t address the underlying gut–immune imbalance.

H&JIN Barrier is designed to support the gut–immune–skin connection from within, helping promote:

• A calmer immune response
• Better gut balance
• Reduced skin sensitivity
• Healthier, less reactive skin over time

Most probiotics contain live bacteria — but live bacteria are fragile. They can die during manufacturing, sitting on a shelf, or passing through your pet's stomach acid. By the time they reach the gut, many are no longer active.

HJ1 works differently. It's heat-sterilised after cultivation, so it doesn't need to survive digestion to work. Its beneficial activity happens directly at the gut wall — consistent and reliable, every dose.

What makes HJ1 special

Survives heat up to 140°C

Lab-tested to retain immune activity even after heating to 140°C — so it works through manufacturing, storage, warm food, and digestion. Most live probiotics lose activity long before reaching your pet's gut. HJ1 doesn't rely on survival to work.

Ultra-fine particles that reach deeper

HJ1's particles are tiny and don't clump together — unlike most probiotics. This allows them to pass through the gut lining and interact directly with your pet's immune cells.

Grown using a stronger cultivation method

HJ1 is grown using traditional Japanese static culture — a slower method that produces stronger, more active bacteria than the fast commercial methods most brands use.

Tested every single batch

Before any batch is approved, HJ1 is tested for immune activation. Only batches that meet the required activity threshold make it into the final product.

GMP Certified

H&JIN is manufactured in a GMP-certified facility in Japan — the same production standard required for human supplements and pharmaceuticals.

Human Grade

The HJ1 strain at the heart of H&JIN is the same strain used in H&J Corporation's human supplement range in Japan. Both human and pet formulas are developed to the same quality standard — because the team at H&J believes your pet deserves the same level of care as any person.

Ingredients

Galactooligosaccharides, dextrin, zinc-containing yeast, lactic acid bacteria (heat-treated bacteria, dextrin), starch hydrolysate, vegetable oil, cellulose, quercetin, sunflower lecithin, vitamin C, magnesium oxide, calcium stearate, fine silica gel, vitamin D.

Nutrient Per Tablet

Quercetin (Quercefit): 25.5mg
Zinc: 0.8mg
Magnesium: 8.3mg
Vitamin C: 16.7mg
Vitamin D: 4.2μg

Proximate analysis

Crude protein: ≥2.2%, crude fat ≥14.5%, crude fiber ≤14.7%, crude ash ≤11.9%, moisture ≤10%

How to give

Give as a tablet directly or crumble over food.

Dosage

1 tablet per 10kg bodyweight. Under 5kg: ½ tablet.

When to expect results

Most owners notice calmer skin within 4–8 weeks. Severe or chronic cases may need 10–12 weeks. Consistency is key — stopping early is the most common reason results don't fully develop.

Suitable for

Dogs and cats of all ages, including post-weaning puppies and kittens through to seniors.

Precaution

If your pet has any pre-existing medical conditions, consult your veterinarian before use. This product is a food supplement and is not intended to diagnose, treat, or cure any disease. Discontinue use and seek veterinary advice if any adverse reaction occurs.

Store in a cool, dry place, away from direct sunlight.

Q: My pet's food already contains probiotics. Do they still need this?

A: Probably yes. Most probiotics added to pet food are live bacteria, which are highly sensitive to heat and moisture during kibble manufacturing and storage. By the time your pet consumes the food, very few may remain active.

HJ1 strain is heat-sterilised, so it remains effective regardless of how it's stored or served — giving you a consistent, reliable dose every time.

Q: How is this different from probiotic treats and chews?

A: Many probiotic treats are formulated primarily for taste and convenience, often with lower active dosages and unnecessary additives.

Common ingredients found in many probiotic chews include:

❗️Sweeteners — glycerin, coconut glycerin, honey

❗️Flavourings / "natural" flavourings — beef, chicken, salmon, meat digest

❗️High-starch fillers — tapioca starch, pea flour, maltodextrin

❗️Potential allergens — soy, wheat, dairy

H&JIN Barrier contains no sweeteners or flavourings. It is manufactured to Japanese GMP standards and formulated with a patented HJ1 probiotic strain designed to support the gut–immune–skin connection.

Unlike conventional live probiotics, its heat-sterilised mechanism does not rely on surviving stomach acid to remain functional.

Q: Can H&JIN BARRIER be paired with standard veterinary allergy medications?

A: Yes. Because H&JIN BARRIER is a clean, biogenic supplement powered by heat-treated patented Lactobacillus HJ1 rather than an immunosuppressive drug, it works synergistically with veterinary-prescribed treatments. It helps strengthen the pet’s deep mucosal immune defense without risking adverse drug interactions. Many pet parents successfully use H&JIN BARRIER alongside standard medications (such as Apoquel, Cytopoint, or steroids) during a managed therapeutic transition, or as long-term gut-skin axis support after tapering down pharmaceutical doses. Always consult your primary veterinarian before adjusting any prescribed medical treatment plan.

Q: Is it safe for long-term use?

A: Yes. All ingredients are food-grade, non-GMO, and plant-based. H&JIN is designed for sustained daily use — not short-term symptom suppression.