Medi-First® Antacid

Compare active ingredient to TUMS®



Product Information

Aluminum-free calcium supplement for heartburn, sour stomach, acid indigestion and upset stomach. Mint flavor.

  • Great tasting, chewable tablets
  • Unit dose, tamper-evident packets
  • Spanish labeling where possible

Each tablet contains:
Calcium Carbonate 420mg


Available in the following package sizes:
500 (250 x 2's) - Item 80213
250 (125 x 2's) - Item 80248
100 (50 x 2's) - Item 80233



Drug Facts Information


Active ingredient (in each tablet): Calcium Carbonate 420mg
Purpose: Antacid

Inactive ingredients*
aspartame*, croscarmellose sodium*, gum acacia*, magnesium stearate, maltodextrin, mineral oil*, mint flavor, sorbitol*, sucrose*

*may contain


For the relief of the following symptoms associated with
acid indigestion
sour stomach
upset stomach


Do not use
the maximum dosage of this product for more than 2 weeks, except under the advice and supervision of a physician, or take more than 19 tablets in a 24 hour period.

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 breastfeeding, ask a health professional before use.
Keep out of reach of children.


■ do not use more than directed

Adults and children: (12 years and older) Chew 2 tablets every 2 or 3 hours as symptoms occur or as directed by a physician. Do not exceed 19 tablets in 24 hours.

Children under 12 years: Do not give to children under 12 years of age.

Other Information

Phenylketonurics: contains phenylalanine 1.5mg per tablet
each tablet contains 168mg of elemental calcium
store at room temperature 59º-86ºF (15º-30ºC) in a dry place
tamper-evident sealed packets
do not use any opened or torn packets


Questions? Please contact us at 1-800-634-7680

Medique Products takes great care to ensure that the product you take is completely safe. This website contains current product information as of 9/1/17 and may differ from the information on the product packaging you may have.


TUMS® is a registered trademark of GlaxoSmithKline.