Green Guard Maximum Strength Stomach Relief

NDC 47682-850 · Unifirst First Aid Corporation

Generic nameCalcium Carbonate 750 mg

Dosage formTABLET, CHEWABLE

RouteORAL

Active ingredient(s)CALCIUM CARBONATE

Strength750 mg/1

Pharmacologic classBlood Coagulation Factor [EPC], Calcium [CS], Cations, Divalent [CS], Increased Coagulation Factor Activity [PE], Phosphate Binder [EPC], Phosphate Chelating Activity [MoA]

Marketing categoryOTC MONOGRAPH DRUG

Packages

47682-850-33 — 50 PACKET in 1 BOX (47682-850-33) / 2 TABLET, CHEWABLE in 1 PACKET

47682-850-36 — 75 PACKET in 1 BOX (47682-850-36) / 2 TABLET, CHEWABLE in 1 PACKET

47682-850-99 — 2 TABLET, CHEWABLE in 1 PACKET (47682-850-99)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

42681-0004 — Antacid Tablets, 42681-0028 — Calcium Carbonate, 42681-0029 — Calcium Carbonate, 42961-208 — Calcium Carbonate, 46122-007 — Calcium carbonate, 46122-225 — Calcium carbonate, 46122-345 — famotidine, calcium carbonate and magnesium hydroxide, 47682-201 — calcium carbonate, 47682-285 — calcium carbonate, 47682-820 — calcium carbonate, 47682-920 — calcium carbonate, 48433-106 — Calcium Carbonate, 48951-8006 — Pandanus Calc. carb., 49035-046 — calcium carbonate, 49035-048 — Calcium Carbonate, 49035-058 — Calcium Carbonate, 49035-101 — Antacid Tablets, 49035-167 — Calcium Carbonate, 49035-321 — famotidine, calcium carbonate and magnesium hydroxide, 49035-546 — Famotidine, Calcium Carbonate, Magnesium Hydroxide, +648 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels