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It is a medicine that improves bowel movements. It also works to neutralize stomach acid.



【Efficacy A】

【Efficacy B】
Improvement of antacid action and symptoms in the following diseases

Stomach and duodenal ulcer
Gastritis (including sudden and chronic gastritis, drug-induced gastritis)
Upper gastrointestinal dysfunction (including anorexia nervosa, including so-called ptosis and acidosis in the stomach)

【Efficacy C】
Prevention of urinary calcium borate calculus



【Efficacy A】
When used as a laxative. . As magnesium oxide, 2 g (2000 mg) of adult daily (2.4 g as fine granules 83%) is usually taken orally orally three times before or after meals, or taken once before going to bed.

【Efficacy B】
When used as an antacid. . As magnesium oxide, 0.5 to 1.0 g (500 to 1000 mg) (0.6 to 1.2 g of 83% fine particles) is taken orally in several divided doses, usually for adults.

【Efficacy C】
When used for the prevention of urinary calcium borate calculus. . As magnesium oxide, 0.2 to 0.6 g (200 to 600 mg) (0.24 to 0.72 g of 83% fine particles) is taken orally with a large amount of water, usually a day for adults.

In any case, increase or decrease depending on the age and symptoms.


Internal Capacity




It is a highly safe medicine, but when the dose is high, depending on the person, the stool may become soft or may cause a slight stomachache.

Please be careful about "hypermagnesemia" when taking it for a long time. It is especially likely when people with bad kidneys or older people, or in combination with vitamin D3 preparations for bone medicine. If you experience unusual symptoms, such as nausea, vomiting, slow pulses, low strength, or faint awareness, stop drinking and have your doctor immediately check.


in 1Tablet

Active Ingredient


Magnesium oxide


Additives: Carmellose calcium, crospovidone, calcium stearate, light silicic acid anhydride, crystalline cellulose

Magnesium Oxide Tablets 330mg「Yoshida」100Tablets Laxative, antacid From Japan

  • Neutralizes stomach acid.
    In the intestine, it suppresses the reabsorption of water, and the contents of the intestinal tract swell and mechanically stimulate the intestinal tract to facilitate defecation.

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