Ohta’s Isan Seichoyaku

  • Type-3 OTC medicine
  • Tablet


Loose stools, Intestinal regulation (Regulation of stool), Constipation , Feeling of fullness in the stomach.


  • 160 tablets
  • 370 tablets


Drug for controlling intestinal function, in a combination of lactic acid bacteria and herbal medicines,
designed for persons with a sensitive intestine.

  1. Feature01

    Lactic acid bacteria make intestines resistant to stimulation.

    Three kinds of intestinal probiotics consisting of 2 kinds of lactic acid bacteria (Bifidobacterium Longum and Lactobacillus Gasseri) and 1 clostridium butyricum respectively work in an effective mode, so that the disturbed intestines are made to be well-balanced and that intestinal conditions are made to be resistant to stimulation.

  2. Feature02

    Intestinal function is normalized to be effective for a sensitive bowel.

    Two kinds of herbal medicines controlling intestinal function (i.e., Geranium Herb and Mallotus Bark) work to normalize the intestinal function. Loose stools and constipation are relieved, intestinal state is improved, and beneficial bacteria are made to stay fit.

  3. Feature03

    Suggested use by persons with the following symptoms.

    This drug controlling intestinal function is suggested to a person with weak stomach; a person with loose bowels caused by mental stress, drinking alcohol and the like; and a person disturbed with distended bowels.


Please take the following amount after meals.

Age Dose Times / day
For adults
(15 years old and over)
3 tablets 3 times daily
8-14 years old 2 tablets
5-7 years old 1 tablet
Under 5 years old Not to be taken

NOTE on Directions
*Shelf life: Look at the back side of the product.


Per daily dose (9 tablets)

Category Ingredient Quantity Function
Intestinal Probiotics Bifidobacterium Longum 30 mg Typical probiotic beneficial bacterium working mainly in the large bowel, inhibiting the growth of bad bacteria, and improving intestinal conditions.
Lactobacillus Gasseri 30 mg Lactic acid bacterium working mainly in the small bowel,and inhibiting the growth of bad bacteria.
Closridium Butyricum 90 mg Probiotic beneficial bacterium being strong against gastric acid, and aiding the growth of Bifidobacteria.
Intestinal Function Controlling Herbal Medicine Geranium Herb Extract
(geranium herb)
102 mg
(1,020 mg)
Regulating the peristaltic motion of the large bowel and the small bowel; repairing disturbed bowel movement, with improvement of loose stools and constipation.
Mallotus Bark Extract
(mallotus bark)
63 mg
(504 mg)
Stomach and bowel mucous membranes are remedied. In addition, stomach and bowel functions are repaired, with improvement of loose stools and constipation.
Stomachic Herbal Medicine Powdered Gentian 51 mg Enhances stomach function and improves digestion.
Digestants Biodiastase 1000 60 mg Multiple enzymes to digest starch and protein.

[additive] l-­Menthol, Hydroxypropylcellulose, Lactose, Silicic Anhydride, Magnesium Stearate, Microcrystalline Cellulose, Powdered Hydrogenated Maltose Starch Syrup.


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Ohta’s Isan Seichoyaku FAQ