Japan's three-tier classification system
Japan classifies health-related consumer products into three categories under the Pharmaceutical and Medical Device Act (PMD Act) and the Food Sanitation Act. The category your product falls into determines the regulatory pathway, approval timeline, permitted health claims, and distribution restrictions.
| Category | Definition | Claims Permitted | Approval Required |
|---|---|---|---|
| Food (including supplements) | Products consumed for nutrition; no therapeutic claims | Nutrient content claims (FNFC); functional claims (FFC) with notification | No pre-market approval; notification only |
| Quasi-drug | Products with mild effects on body function; regulated but not classified as medicine | Approved efficacy claims from permitted list | MHLW approval required; 12-24 months |
| Pharmaceutical | Products with therapeutic, diagnostic, or preventive effects on disease | Disease treatment/prevention claims | Full drug approval; typically years |
Most overseas supplement brands should target the food/supplement category. Quasi-drug classification is possible but involves significant time and cost. Pharmaceutical classification is almost never appropriate for consumer supplement brands entering Japan.
What makes a product a quasi-drug
Quasi-drug status is triggered by a combination of: the product's intended use as stated on packaging, the specific ingredients and their concentrations, and the product format (tablet, capsule, liquid, topical). MHLW applies a functional assessment — if the product is designed to have a mild physiological effect that goes beyond basic nutrition, quasi-drug classification may apply.
Common supplement categories that frequently trigger quasi-drug review: hair growth products, certain skin-whitening products, products with specific anti-fatigue or stamina claims, vitamin injections, and some weight management products with active functional ingredients.
Products that make quasi-drug-level claims without quasi-drug approval face seizure and possible prosecution. The claim — not just the ingredients — determines classification risk. Marketing language used in other markets often needs adjustment for Japan.
The pharmaceutical classification risk
Pharmaceutical classification is the most serious risk for supplement importers. If MHLW determines that a product's marketing claims or ingredient profile implies disease treatment or prevention, it will be classified as an unapproved pharmaceutical — regardless of how it is positioned in its home market.
Common trigger phrases (even in subtle form) include: "supports healthy blood sugar," "reduces inflammation," "treats," "cures," "prevents" any named condition. Claims that reference specific body systems in therapeutic terms are also high-risk.
Enforcement includes product seizure at the border, recall of product already in distribution, and potential criminal liability for the importer. This is not a theoretical risk — MHLW actively screens imported supplement products for claim compliance.
Positioning your supplement correctly
Most overseas supplement brands can successfully enter Japan in the food category by adjusting their marketing claims. The key is to describe nutritional support rather than physiological effects.
Japan's Foods with Function Claims (FFC) system, introduced in 2015, allows food products — including supplements — to make specific functional health claims after notification to the Consumer Affairs Agency. This provides a legitimate pathway for functional positioning without quasi-drug classification.
- FFC claims are pre-approved categories; your claim must match an approved functional claim type
- Supporting evidence (systematic reviews or human clinical trials) must be submitted with notification
- Notification process typically takes 60-90 days
- FFC-notified products can carry a specific functional claim on their label
Classification timeline and cost implications
| Pathway | Typical Timeline | Cost Range (approx.) | Best for |
|---|---|---|---|
| Food (no claims) | 0 (notification only) | Import compliance costs only | Nutrient supplements; minimal claim needs |
| Food with Nutrient Function Claims (FNFC) | 1-2 months | Low regulatory cost | Vitamins, minerals within approved ranges |
| Foods with Function Claims (FFC) | 2-4 months | Moderate (evidence preparation) | Functional supplements with supporting data |
| Quasi-drug | 12-24 months | Significant (MHLW approval process) | Products requiring physiological claim |
For most overseas brands, the FFC pathway offers the best balance of claim flexibility and market entry speed. JMG's Feasibility Report will identify the appropriate classification for your specific product and recommend the optimal positioning strategy.
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