Product Specifications
| Product (EN) | Mashiningan |
| Japanese name | ツムラ麻子仁丸エキス顆粒 |
| Manufacturer | Tsumura & Co. (株式会社ツムラ) |
| Form | Kampo dried extract granules (エキス顆粒) |
| Regulatory category | Japanese Kampo preparation — institutional display & inquiry |
| Therapeutic area (catalogue) | 消化器 |
| Pack size | Per official packaging — confirmed on quotation |
| Country of origin | Japan |
| Storage | Per the official Japanese package insert |
About this product
Mashiningan (ツムラ麻子仁丸エキス顆粒) is a Japanese Kampo preparation supplied as Kampo dried extract granules (エキス顆粒) by Tsumura & Co. (株式会社ツムラ), catalogued here under the 消化器 grouping. As a Japanese Kampo product it is manufactured under Japan’s Good Manufacturing Practice (GMP) requirements, giving consistent, traceable, batch-controlled quality — the qualities international buyers value in Japanese-made Kampo. Tsubaki Trading supplies this product to overseas pharmacies, clinics and distributors on a business-to-business basis. Learn more in our guide to Japanese herbal medicine.
Composition
The crude-drug (生薬) composition of this formula and exact quantities are stated in the official Japanese package insert (添付文書) and provided on inquiry.
Official Japanese documentation
This page does not provide prescribing or dosing advice to the public. Under Japan’s Pharmaceuticals and Medical Devices Act (薬機法), the approved indications (効能・効果) and dosage & administration (用法・用量) of prescription medicines are not advertised to the general public; the official Japanese package insert (添付文書) and approved prescribing information are available after qualification review.
| 効能・効果 (Approved indications, Japan) | 便秘 |
|---|---|
| Indications — reference translation | Constipation. |
| 用法・用量 (Dosage & administration) | 通常、成人1日7.5gを2〜3回に分割し、食前又は食間に経口投与する。年齢・体重・症状により適宜増減する。 Adults: 7.5 g/day in 2–3 divided doses, before or between meals; adjust by age, body weight and symptoms. |
| Precautions | Contains Rhubarb (大黄) — avoid in pregnancy or possible pregnancy; laxative effect varies individually, adjust dose; caution in markedly weak gastrointestinal constitutions. |
| Official source | KEGG MEDICUS (JAPIC package insert) |
Information on this page is provided for institutional reference and reproduces objective product information as labelled by the manufacturer. It does not constitute any claim of efficacy, dosage guidance or medical advice.
Sourcing & export
- Authenticity: sourced directly through regular domestic Japanese channels.
- MOQ & lead time: by quotation — tell us your quantity and destination.
- Logistics: EMS / DHL / FedEx worldwide.
- Response: inquiries answered within 24 business hours.
- Documents on request: composition sheet / CoA, GMP certificate, CPP, official Japanese package insert.
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