Rugby cal-gest antacidassorted flavors tablet, chewable

Active ingredient

Calcium carbonate USP 500mg





  • heartburn
  • sour stomach
  • acid indigestion
  • upset stomach associated with these symptoms


Ask a doctor or pharmacist before use if you aretaking a prescription drug. Antacids may interact with certain prescription drugs.

When using this product

  • do not take more than 15 tablets in 24 hours
  • do not use the maximum dosage for more than 2 weeks.

Keep out of reach of children


  • Chew 2-4 tablets as symptoms occur, or as directed by a doctor.

Other information

  • Store below 30C (86F).
  • Keep the container tightly closed
  • For calcium and magnesium content see Supplement Facts.

Inactive ingredients

adipic acid, blue 1 lake, dextrose, flavors, magnesium stearate, maltodextrin, red 27 lake, starch, sucralose, yellow 6 lake, yellow 10 lake.


USES:As a daily source of extra calcium.

DIRECTIONS: Chew 2 tablets once or twice daily with a meal

Supplement Facts

Serving Size: 2 Tablets

Servings Per Container: 75

Amount Per Serving %

Daily Value

Calories 5

Sugars 1.5g

Calcium 400mg


Magnesium 2mg

less than 1%

Ingredients and appearance - Product information

Rugby cal-gest antacidassorted flavors tablet, chewable- Antacid tablets

Product information

Product Type HUMAN OTC DRUG LABEL Item Code (Source) NDC: 0536-1007
Route of Administration Oral

Active Ingredient/Active Moiety

Ingredient Name Strength
Calcium carbonate ( UNII: H0G9379FGK)( Calcium cation - UNII: 2M83C4R6ZB ) 500 mgin 1

Inactive Ingredients

Ingredient Name Code
Adipic acid ( UNII: 76A0JE0FKJ)
Fd&c blue no. 1 ( UNII: H3R47K3TBD)
Dextrose, unspecified form ( UNII: IY9XDZ35W2)
Magnesium stearate ( UNII: 70097M6I30)
Maltodextrin ( UNII: 7CVR7L4A2D)
Starch, corn ( UNII: O8232NY3SJ)
Sucralose ( UNII: 96K6UQ3ZD4)
D&c red no. 27 ( UNII: 2LRS185U6K)
Fd&c yellow no. 6 ( UNII: H77VEI93A8)
D&c yellow no. 10 ( UNII: 35SW5USQ3G)

Product Characteristics

Color WHITE Size 16 mm
Shape ROUND Score 1
Imprint Code RP101 Flavor FRUIT

Marketing Information

Marketing Category Application Number or Monograph Citation Territorial Authority Marketing Start Date
OTC monograph final part331 USA

Labeler - Rugby Laboratories, Inc.( 079246066)

Package/label principal display panel

Compare to active ingredient in Tums*


Cal-Gest Antacid

Assorted Flavors

Rich Calcium Source

150 Chewable Tablets

Safety sealed: Do not use if printed seal under cap is torn or missing