

Ohta’s Isan S Gastrointestinal Medicine (Powder, 50 packets)
Ohta’s Isan S is a powdered gastrointestinal medicine that combines natural herbal ingredients with antacids and digestive enzymes.
-
Herbal extracts (7 types) improve weakened stomach function, helping relieve overeating, indigestion, loss of appetite, and discomfort.
-
Antacids (3 kinds) neutralize excess stomach acid, easing heartburn and stomach pain, while supporting enzyme activity.
-
Powder form preserves the aroma, taste, and effectiveness of the herbal ingredients. Menthol adds a refreshing cooling sensation.
Indications
Relieves: overindulgence, heartburn, stomach upset, weak stomach, heaviness, overeating, stomach pain, indigestion, poor appetite, acid reflux, bloating, nausea (including hangover-related), vomiting, chest tightness, belching.
How to Use
Take after meals or between meals with water or lukewarm water.
-
Adults (15+): 1 sachet, 3 times daily
-
Children 8–14: ½ sachet, 3 times daily
-
Under 8: Do not use
Main Ingredients (per 3 sachets)
-
Herbal extracts: Cinnamon bark, fennel, nutmeg, clove, citrus peel, gentian, picrasma wood
-
Antacids: Sodium bicarbonate, precipitated calcium carbonate, hydrotalcite
-
Digestive enzyme: Biodiastase
-
Additives: l-Menthol, magnesium carbonate
Precautions
-
Do not use if you are undergoing dialysis.
-
Do not take long-term.
-
Consult a doctor before use if under medical treatment, allergic, or diagnosed with kidney disease or thyroid dysfunction.
-
Stop use and seek medical advice if rash, redness, itching, or persistent discomfort occurs.
-
If symptoms do not improve after 2 weeks, discontinue use and consult a healthcare professional.
Quantity: 50 packets
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Ohta’s Isan S is a powdered gastrointestinal medicine that combines natural herbal ingredients with antacids and digestive enzymes.
-
Herbal extracts (7 types) improve weakened stomach function, helping relieve overeating, indigestion, loss of appetite, and discomfort.
-
Antacids (3 kinds) neutralize excess stomach acid, easing heartburn and stomach pain, while supporting enzyme activity.
-
Powder form preserves the aroma, taste, and effectiveness of the herbal ingredients. Menthol adds a refreshing cooling sensation.
Indications
Relieves: overindulgence, heartburn, stomach upset, weak stomach, heaviness, overeating, stomach pain, indigestion, poor appetite, acid reflux, bloating, nausea (including hangover-related), vomiting, chest tightness, belching.
How to Use
Take after meals or between meals with water or lukewarm water.
-
Adults (15+): 1 sachet, 3 times daily
-
Children 8–14: ½ sachet, 3 times daily
-
Under 8: Do not use
Main Ingredients (per 3 sachets)
-
Herbal extracts: Cinnamon bark, fennel, nutmeg, clove, citrus peel, gentian, picrasma wood
-
Antacids: Sodium bicarbonate, precipitated calcium carbonate, hydrotalcite
-
Digestive enzyme: Biodiastase
-
Additives: l-Menthol, magnesium carbonate
Precautions
-
Do not use if you are undergoing dialysis.
-
Do not take long-term.
-
Consult a doctor before use if under medical treatment, allergic, or diagnosed with kidney disease or thyroid dysfunction.
-
Stop use and seek medical advice if rash, redness, itching, or persistent discomfort occurs.
-
If symptoms do not improve after 2 weeks, discontinue use and consult a healthcare professional.
Quantity: 50 packets


















