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Ohta's Isan Antacid Powder - Sachets


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Ohta’s Isan <Sachet>

  • Type-2 OTC medicine
  • Powder


Overdrinking, Heartburn, Stomach discomfort, Gastrasthenia, Heaviness in the stomach, Overeating, Stomachache, Indigestion, For promoting digestion, Loss of appetite, Hyperacidity, Feeling of stomach and abdominal distention, Nausea (stomach retching, retching due to hangovers and overdrinking, and feeling of sickness), Vomiting, Heaviness in the chest, Belching, Heaviness in the stomach.


  • 16 sachets
  • 32 sachets
  • 48 sachets


Comprehensive gastrointestinal medicine in high favor with the public for a long time and characterized by containing natural materials.

  1. Feature01

    Seven kinds of stomachics help to activate weaknened stomach.

    Seven kinds of stomachics compounded effectively activate weaknened stomach and improve the stomach discomfort caused by overdrinking, overeating and heaviness in the stomach.

  2. Feature02

    Four kinds of antacids are effective in heartburn, stomachache, etc.

    Four kinds of antacids with different duration of activity exert in heartburn, stomachache and stomach discomfort.

  3. Feature03

    Unique production technique brings about fresh taste.

    This is a powder produced by unique process so as not to get away the active ingredients of aromatic stomatics. The aromatic sense of herbal medicines combined with fresh feeling by l-menthol brings about fresh taste.

*One sachet contains the same amount as one dose of Ohta’s Isan〈Can type〉.


Please take the following amount after or between meals.

Age Dose Times / day
For adults
(15 years old and over)
1 sachet 3 times daily
8-14 years old 1/2 sachet
Under 8 years old 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.


Per daily dose (1.3 g)

Category Ingredient Quantity Function
Stomachics Cinnamon Bark 92 mg Unique aromatic sense helps weakened stomach work better and adjust the secretion of gastric juice.
Fennel 24 mg
Nutmeg 20 mg
Clove 12 mg
Citrus Unshiu Peel 22 mg
Gentian 15 mg A kind of bitterness helps damaged stomach activate and serves as adjuster of the secretion of gastric juice.
Powdered Picrasma Wood 15 mg
Antacids Sodium Bicarbonate 625 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.
Precipitated Calcium Carbonate 133 mg
Magnesium Carbonate 26 mg
Synthetic Aluminum Silicate 273.4 mg
Digestants Biodiastase 40 mg Combined digestive enzyme helping digest mainly starch, protein, etc.

[additive] l-Menthol


Ohta’s Isan <Sachet> FAQ

Shipping & Payment

Delivery Options

  • S.F. Express - Office / Home Delivery
  • S.F. Express - EF Locker Pickup
  • S.F. Express - Centre Pickup
  • S.F. Express - Store Pickup
  • S.F. Express - 7-11 Store Pickup
  • S.F. Express - Circle K Store Pickup
  • ( With Express ) e-Express -Less 2kg - [ Applicable to overseas regions ]
  • Easy delivery--airmail registered mail below 2kg (applicable to non-Hong Kong areas)
  • (With Tracking)Surface Ordinary Packet 2kg or less (for overseas areas)
  • EMS

Payment Options

  • 銀行轉帳/ATM
  • FPS/轉數快
  • PayMe HSBC
  • AlipayHK
  • Alipay (Mainland China)
  • WeChat Pay HK
  • WeChat Pay (Mainland China)
  • BOC Pay (applicable to Hong Kong customers)

Customer Reviews

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