Ohta’s Isan A <Tablet>

  • Type-2 OTC medicine
  • Tablet


Heaviness in the stomach, Overeating &Overdrinking, Stomachache, Heartburn, Poor appetite, Indigestion, For promoting digestion, Hyperacidity, Heaviness in the chest, Feeling of discomfort in the stomach, Feeling of fullness in the stomach and abdomen, Weak stomach, Vomiting, Belching, Nausea (stomach retching, retching due to hangovers and overdrinking, and feeling of sickness).


  • 45 tablets
  • 120 tablets
  • 300 tablets


Tablet type digestive medicine suggested in a state of feeling
heavy with food in the stomach or overeating.

  1. Feature01

    Digestive medicine suitable when eating a heavy meal.

    Four kinds of digestants efficiently decompose oil & fat, protein, and carbohydrate, as a result, feeling heavy in the stomach, heartburn and the like are relieved.

  2. Feature02

    Tablet being able to take in with ease.

    The small grain makes it easy to take in. In addition, as the tablet quickly melts and spreads inside the stomach, the user can have a clean finish after taking in the tablet.

  3. Feature03

    Sachet type comfortable carrying with you.

    The product of 45 tablets is provided in a slimly sachet type containing 3 tablets per serving. When carrying the sachet type in your bag or porch, you will be able to safely take in the tablets even when eating too much of tasty meal.


Please take the following amount after or between meals (including before bedtime). Only in case of poor appetite, take before meals. It is chewable too.

Age Dose Times / day
For adult
(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
*"Between meals" means 2 to 3 hours after meals.
*Shelf life: Look at the side (120/300 tablets) or bottom (45 tablets) of the product.


Per daily dose (9 tablets)

Category Ingredient Quantity Function
Digestants Lipase AP6 60 mg Enzyme to digest oil and fat
Prozyme 6 30 mg Enzyme to digest protein
Biodiastase 1000 60 mg Enzyme to digest starch and protein
Ursodeoxycholic Acid 12.6 mg Secretion of bile is promoted, and oil and fat digestion is enhanced.
Antacids Sodium Bicarbonate 1,530 mg Various kinds of antacids with different duration of activity such as rapid-acting and continuous-acting neutralize excessive gastric acid and adjust the acidity in the stomach.
Synthetic Hydrotalcite 900 mg
Precipitated Calcium Carbonate 270 mg
Stomachics Cinnamon Oil 10.40 mg Stomach function is improved by the special aroma and stomachic effect provided by the herbal medicine components.
Lemon Oil 4.46 mg
Fennel Oil 1.65 mg

[additive] l-Menthol, Lactose, Tartrazine, Acacia, Magnesium Stearate, Magnesium Carbonate, Carmellose Calcium, Microcrystalline Cellulose, Natural Vitamin E


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Ohta’s Isan A <Tablet> FAQ