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iizuka shoukai SUPPLEMENTS

Premium Japanese Ingredients for Supplements

Source high-quality functional ingredients directly from Japan or develop your custom supplement line with our OEM partners.

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Call:  +81 90 7216 9529
01

Functional Ingredients

Looking for premium Japanese raw materials? Browse our catalog of clinically-backed ingredients: oyster extract, pearl powder, fermented soy protein, nattokinase, and more.

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02

OEM Manufacturing

Need a finished product? We connect you with certified Japanese manufacturers for tablets, capsules, powders, and sachets. From formulation to packaging.

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WHY JAPAN. WHY US.

Trusted Source for Global Supplement Brands

Japan is known for strict quality standards, advanced R&D, and unique functional ingredients unavailable elsewhere. We bridge the gap between Japanese manufacturers and international brands — handling documentation, logistics, and communication so you can focus on your product.

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01

Direct from Manufacturers

No middlemen. We work directly with Japanese ingredient producers and OEM factories.

02

Full Documentation

COA, specifications, MSDS, GMP certificates — everything you need for registration and import.

03

Global Shipping

Experience with export to USA, EU, CIS, UAE, and Asia. We handle logistics and customs paperwork.

Iizuka Shoukai LLC
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Let's find the right ingredient for your product

Tell us about your project — target market, dosage form, budget. We'll match you with the best Japanese solution

FEATURED INGREDIENTS

From Our Catalog

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weight control

Ascophyllan GLP1 Powder

Discover Ascophyllan HS, a patented seaweed-derived polysaccharide that supports immune function through NK cell activation, promotes GLP-1 secretion for blood sugar management, and provides respiratory protection. Ideal for functional food and supplement formulations.
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Decenoic Acid

Royal Jelly Powder

Discover high-potency Royal Jelly Powder with 6.0%+ 10-HDA content. Our freeze-dried formulation preserves bioactive compounds for immune support, skin health, anti-aging benefits, and natural vitality. Ideal for supplements, cosmetics, and functional foods.
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Coffee

TowaMate Coffee

Discover Towamate Coffee, a uniquely fermented coffee from Hiroshima, Japan. Made from Brazilian Santos beans fermented with Rhizopus fungus, this innovative coffee offers reduced bitterness, lower fats and sugars, and a remarkably mellow flavor perfect for health-conscious consumers.

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