Skip to Content

← See all Stomachin Antacid brands

Stomachin Antacid by Chang Kuo Chou Pharmaceutical Co. Ltd.

Dosage form: powder
Ingredients: Magnesium carbonate 58mg in 1g, Sodium bicarbonate 809mg in 1g
Labeler: Chang Kuo Chou Pharmaceutical Co. Ltd.
NDC Code: 43337-9329

Disclaimer: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

"Drug Facts"

Active ingredients Purpose

Magnesium carbonate 58mg ................... Antacid

Sodium bicarbonate 809mg .................... Antacid

  • acid indigestion
  •  heartburn
  •  sour stomach
  •  upset stomach from overindulgence in food or drink

Stop use and ask a doctor if

Enter section text here

  • symptoms persist or worsen

Keep out of reach of children

If pregnant of breast feeding, ask a health professional before use.



Enter section text here


Take one packet with water. 3 times a day

Do not use

ore than 3 packets in a 24-hour period, or use the maximum dosage of this product for more than 2 weeks, expect under the advice and supervision of a physician.

Inactive ingredients

Clove, hydroxypropyl cellulose, licorice, menthol, rhubarb

Ask a doctor or pharmacist before use if you are
  • presently taking a prescription drug.  Antacid may interact with certain prescription drugs
  • on magnesium or sodium restrict diet.

Enter section text here

magnesium carbonate and sodium bicarbonate powder
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:43337-9329
Route of AdministrationORALDEA Schedule    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
Magnesium carbonate (Magnesium cation and Carbonate ion) Magnesium carbonate58 mg  in 1 g
Sodium bicarbonate (Sodium cation and Bicarbonate ion) Sodium bicarbonate809 mg  in 1 g
Inactive Ingredients
Ingredient NameStrength
Clove29 mg  in 1 g
Licorice86 mg  in 1 g
Menthol4 mg  in 1 g
Rhubarb14 mg  in 1 g
Product Characteristics
Colorwhite (beige) Score    
FlavorImprint Code
#Item CodePackage Description
1NDC:43337-9329-8450 g in 1 CAN
2NDC:43337-9329-795 g in 1 CAN
3NDC:43337-9329-920 PACKET (PACKET) in 1 BOX
32 g in 1 PACKET
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph finalpart33104/30/2009
Labeler - Chang Kuo Chou Pharmaceutical Co. Ltd. (656241486)
Chang Kuo Chou Pharmaceutical Co. Ltd.656241486manufacture

Chang Kuo Chou Pharmaceutical Co. Ltd.

← See all Stomachin Antacid brands

Medically reviewed on Aug 29, 2018

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

More about magnesium carbonate/sodium bicarbonate

Related treatment guides