From the official label (Oct 2025). Your prescription and pharmacist come first.
What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.
Relieves: ■ acid indigestion ■ upset stomach
Ask a doctor before use if you have kidney disease you are taking a prescription drug (antacids may interact with certain prescription drugs) you are pregnant or breast feeding. Do not take more than 2 tablets in a 24 hour period. May have a laxative effect. Keep out of reach of children.
Store at controlled room temperature 15° to 30°C (59° to 86°F). Tamper evident, do not use if imprinted safety seal under cap is broken or missing.
Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.
Products with Magnesium oxide as the active ingredient. Names differ between countries.
Other countries: check your pack's registration number and we point you to your regulator.
Type the registration number on the pack, or scan it with your camera.
relieves: ■ acid indigestion ■ upset stomach (From the official U.S. FDA label.)
Follow your prescription or the leaflet in your pack. The official label says: take one or two antacid tablets daily. Do not exceed two tablets unless directed by a physician.…
Ask a doctor before use if you have kidney disease you are taking a prescription drug (antacids may interact with certain prescription drugs) you are pregnant or breast feeding. Ask your doctor or midwife first.
In many countries Magnesium oxide is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.
Magnesium oxide is sold under names such as Folgard Os, Lactocal, Vitafol-one, Somnicin, Clenpiq, Beelith, Phillips' Cramp-free, Magmilax. Brand names differ between countries.
Store at controlled room temperature 15° to 30°C (59° to 86°F). Tamper evident, do not use if imprinted safety seal under cap is broken or missing.
Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.
This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.