Ohta Isan and Japanese Stomach Medicine, Ranked
Here are the most-loved Ohta Isan stomach and digestive remedies, a Japanese classic. Ranked by real Rakuten review counts, with only genuinely different products picked. Perfect to keep handy for those big-meal days in Japan.
1Ohta's Isan Stomach Powder
The century-old original. A fast-dissolving powder for after a heavy meal — read the label before use.
¥1,000reference price · the shelf price is often lower
2Ohta Isan Painon Tablets (6)
A small pack that fits in a day bag for stomach pain on the move. Ask the pharmacist before buying.
¥1,158reference price · the shelf price is often lower
3Ohta Kampo Stomach Medicine II (54 tablets)
A kampo herbal formula, aimed at stomach trouble that comes from stress or irregular meals.
¥1,155reference price · the shelf price is often lower
4Cabagin Kowa Stomach Medicine
Ohta Isan's eternal rival — this one focuses on the stomach lining, and it lives in a lot of Japanese cupboards.
¥1,300reference price · the shelf price is often lower
5Biofermin S Probiotics
Not a painkiller — live cultures to settle the gut. Family-friendly, and a very common souvenir.
¥1,400reference price · the shelf price is often lower
6Ohta Kampo Stomach Medicine II (120 tablets)
The bigger bottle — much cheaper per tablet if you take it regularly or are buying for several people.
¥1,448reference price · the shelf price is often lower
7Ohta Isan A (Tablets) 300
Tablets for anyone who dislikes the powder. A 300-tablet bottle lasts a long time — a good take-home.
¥2,117reference price · the shelf price is often lower
8Ohta Kampo Stomach Medicine II (34 sachets)
Pre-measured sachets — nothing to weigh out, and easy to carry to work or on a trip.
¥2,398reference price · the shelf price is often lower
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