Supreme Antacid
Calcium carbonate, magnesium hydroxide · Liquid · Oral
Active ingredient
Active ingredients (in each 5 mL teaspoonful) Calcium carbonate 400 mg Magnesium hydroxide 135 mg
Purpose
Purpose Antacid
Uses
Uses relieves heartburn sour stomach acid indigestion upset stomach associated with these symptoms overindulgence in food and drink
Warnings
Warnings Ask a doctor before use if you have kidney disease a magnesium-restricted diet Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs. Stop use and ask a doctor if symptoms last more than 2 weeks If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.
Keep out of reach of children
Keep out of reach of children.
Directions
Directions shake well before use adults and children 12 years and older: take 2 to 4 teaspoonfuls between meals, at bedtime, or as directed by a doctor do not take more than 18 teaspoonfuls in a 24 hour period or use the maximum dosage for more than 2 weeks children under 12 years: ask a doctor
Other information
Other information each 5 mL teaspoonful contains: calcium 160mg, magnesium 55 mg refrigerate after opening to preserve freshness and purity do not freeze keep tightly closed
Inactive ingredients
Inactive ingredients benzyl alcohol, flavor, hydroxyethylcellulose, purified water, saccharin sodium, simethicone emulsion, sorbic acid, sorbitol solution, xanthan gum
Questions?
Questions or comments? 1-800-540-3765
Label text from the FDA structured product label by FAMILY DOLLAR SERVICES INC (revised Nov 19, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Magnesium Hydroxide in 4 products
- Calcium Carbonate in 4 products
Supreme Antacid NDC products (4)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 53943-614 | Magnesium Hydroxide 135 mg/5mL; Calcium Carbonate 400 mg/5mL Liquid | Discount Drug Mart, Inc | OTC MONOGRAPH DRUG |
| 55319-624 | Calcium Carbonate 400 mg/5mL; Magnesium Hydroxide 135 mg/5mL Suspension | FAMILY DOLLAR SERVICES INC | OTC MONOGRAPH DRUG |
| 37808-614 | Magnesium Hydroxide 270 mg/10mL; Calcium Carbonate 800 mg/10mL Liquid | H E B | OTC MONOGRAPH DRUG |
| 63941-624 | Calcium Carbonate 400 mg/5mL; Magnesium Hydroxide 135 mg/5mL Suspension | VALU MERCHANDISERS COMPANY | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Supreme Antacid used for?
Uses relieves heartburn sour stomach acid indigestion upset stomach associated with these symptoms overindulgence in food and drink
Who makes Supreme Antacid?
Supreme Antacid is listed by 4 labelers in the FDA NDC directory, including Discount Drug Mart, Inc, FAMILY DOLLAR SERVICES INC, H E B, VALU MERCHANDISERS COMPANY.