# Kobayashi Pharmaceutical ナイシトールZa 315錠 - Name: Naishitol Za / ナイシトールZa / 小林制药 Naishitol Za 防风通圣散 315片 - Brand: Kobayashi Pharmaceutical / 小林製薬 - Category: OTC Medicines & Health Goods - Page: https://bestjapanbuy.com/en/p/kobayashi-naishitol-za-315/ - Updated: 2026-10-24 As of 2026-10-23, the lowest online price on Kakaku.com is JP¥4,377 (incl. tax); of the 21 destinations we check, it is restricted in all 21. Kobayashi Pharmaceutical's Bofutsushosan Kampo medicine (Class 2 OTC drug). The package insert lists obesity in people with good stamina, a lot of abdominal subcutaneous fat, and a tendency toward constipation, among others. Contains ephedra and rhubarb; it is not a diet supplement, so follow the package insert. - Good for: People who understand which constitutions this Kampo formula suits and want the Japanese version of Bofutsushosan - Not for: People with a weak constitution or prone to diarrhea; those with high blood pressure, heart disease, or other conditions should consult a doctor or pharmacist first ## Price in Japan - Japan reference price incl. tax (Lowest online price, shipping not included): JP¥4,377 - Tax-free / after refund: JP¥3,979 - Flights: OK on the plane ## Taking it home (by destination) | Destination | Result | Notes | | --- | --- | --- | | Mainland China | △ Restricted | Contains ephedrine-type or codeine-type ingredients: bring only a reasonable amount for personal use; larger amounts may be held by customs | | Hong Kong | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Macao | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Taiwan | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Singapore | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | South Korea | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | United States | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Thailand | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Malaysia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Philippines | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Vietnam | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Indonesia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | India | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Australia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | New Zealand | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Canada | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | United Kingdom | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Germany | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | France | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Italy | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | | Spain | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. | ## Specs | Item | Value | | --- | --- | | Brand | Kobayashi Pharmaceutical / 小林製薬 | | Model | ナイシトールZa 315錠 | | Type | Other | | Japanese drug classification | Class 2 OTC drug (第2類医薬品) | | Contains ephedrine-type / codeine-type ingredients (per ingredient list) | Yes | | Volume / count | 315 tablets | | Main ingredients (per package) | Bofutsushosan extract (18 crude drugs incl. ephedra herb and rhubarb) | ## Reviews TBD ## Frequently asked questions ### Can I take Kobayashi Pharmaceutical ナイシトールZa 315錠 home from Japan? Of the 21 destinations we check, it is restricted in all 21. ### How much is the Kobayashi Pharmaceutical ナイシトールZa 315錠 in Japan tax-free? As of 2026-10-23, the lowest online price on Kakaku.com is JP¥4,377 including tax. Tax-free or after the refund it is JP¥3,979. It costs less than JP¥5,000 (excl. tax) on its own, so you need to combine purchases at one store on one day to buy tax-free. From Nov 1, 2026, you pay the tax-included price in store and get the tax refunded when you leave Japan (a fee may apply). ### Where can I buy the Kobayashi Pharmaceutical ナイシトールZa 315錠 in Japan? Sold at drugstores and pharmacies in Japan. The price we list is from Kakaku.com (2026-10-23); prices in store may differ. ## Sources - Specs: [PMDA OTC drug package insert (ナイシトールZa)](https://www.pmda.go.jp/PmdaSearch/otcDetail/270172_J2001000063_03_01) - Specs: [Kobayashi Pharmaceutical official site](https://www.kobayashi.co.jp/) - Japan price: [Kakaku.com](https://kakaku.com/medicine-item/K0001315057/) (2026-10-23) > Data from BestJapanBuy (bestjapanbuy.com). Please credit and link to the page when using it. Prices are for reference only; check in store. > Translated with AI; the Chinese version is authoritative.