Ohta’s Isan S
- Type-2 OTC medicine
- Powder
Indications
Overdrinking, heartburn, stomach discomfort, weak stomach, constricted feeling in the stomach, overeating, stomachache, indigestion, for promoting digestion, loss of appetite, hyperacidity, feeling of fullness in the stomach and abdomen, nausea (stomach retching, retching due to hangovers and overdrinking, and feeling of sickness), vomiting, heaviness in the chest, belching, stomach heaviness
Package
- 80 g
- 150 g
Features
Comprehensive gastrointestinal medicine
harnessing the natural benefits of crude drugs.
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Seven kinds of stomachic herbs help to support digestion.
Formulated to maximize the natural aroma, flavor, and efficacy of crude drugs. It revitalizes a weakened stomach, helps relieve unpleasant stomach symptoms such as overdrinking or constricted feeling in the stomach, and improves loss of appetite.
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Three kinds of antacids are effective in heartburn and other symptoms.
Combines three types of antacids with varying durations of action. Effectively relieves symptoms such as heartburn and stomach discomfort caused by gastric acid reflux.
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A powder formula uniquely developed by our proprietary method.
Our original formulation process preserves the active ingredients of the aromatic stomachic herbs. The powder provides a refreshing taste and improves unpleasant stomach symptoms.
Directions
Take the following amount with water or lukewarm water after meals or between meals.
| Age | Dose | Times / day |
|---|---|---|
| For adults (15 years and over) |
1.3 g | 3 times daily |
| 8-14 years | 0.65 g | |
| Under 8 years | Not to be taken | |
NOTE on Directions
* "Between meals" means 2 to 3 hours after meals.
*Shelf life: Look at the bottom of the product.
Ingredients
Each daily dose (3.9 g) contains the following ingredients:
| Category | Ingredients | Quantity | Function |
|---|---|---|---|
| Stomachic herbs | Cinnamon Bark | 276 mg | Each crude drug helps improve stomach function through its natural aroma and bitterness, regulates gastric juice secretion, and improves weakened stomach function. |
| Fennel | 72 mg | ||
| Nutmeg | 60 mg | ||
| Clove | 36 mg | ||
| Citrus Unshiu Peel | 66 mg | ||
| Gentian | 45 mg | ||
| Powdered Picrasma Wood | 45 mg | ||
| Antacids | Sodium Bicarbonate | 1,875 mg | Each antacid, with a different mode of action such as fast-acting, long-lasting, or delayed-release, neutralizes excess stomach acid and adjusts the acidity in the stomach. |
| Precipitated Calcium Carbonate | 980 mg | ||
| Synthetic Hydrotalcite | 300 mg | ||
| Digestant | Biodiastase | 135 mg | The ingredient mainly aids the digestion of starch (carbohydrates) and proteins. |
〔Additives〕 l-Menthol and Magnesium Carbonate
FAQ
See allOhta’s Isan S - FAQ
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Q
What is the difference between Ohta’s Isan S and Ohta’s Isan <Sachet> S?
ABoth products contain the same formulation. Ohta’s Isan S is packaged in a can, making it convenient to keep at home or in the workplace. Ohta’s Isan <Sachet> S contains individually packaged single doses, making it easy to carry.
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Q
Can I take this product while pregnant or breastfeeding?
ABecause there is no ingredient which affects your fetus, you can take the product even during pregnancy. However, tell your physician before you use it just in case since your body is not in the usual condition while pregnant. It does not contain ingredients which transfer into breast milk, so it is also safe during breastfeeding.
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Q
Can I take the product without water?
ATake it with water or lukewarm water. If you do not like to take a powder, put and hold water in your mouth at first, then put it in your mouth, and finally stir well with your tongue a few times for easy use.



