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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Proteins & Peptides

Fish Collagen Tripeptide for Skin, Joints & Bone

Japanese fish collagen tripeptide with 15-25% guaranteed tripeptide content. 39x plasma absorption vs standard peptides. Marine, halal-suitable. Sample on request.
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Algae Extracts

C-Phycocyanin Powder

Japanese spirulina C-phycocyanin powder with dual-component formula (C-PC + allo-PC). RCT-proven skin barrier improvement at 410 mg/day. HALAL, KOSHER, GMP. Bulk supply from Japan.
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Plant Extracts

Rose Placenta Extract with Growth Factors for Anti-Aging

Vegan rose placenta extract powder with 125% EGF expression increase and 124% keratinocyte proliferation boost. Growth factor-like peptides for beauty supplements and cosmetics. GMP certified, clinically tested. Made in Japan. Bulk supply from Iizuka Shoukai.

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