Famotidine 10 mg, calcium carbonate 800 mg, magnesium hydroxide 165 mg tablets (chewable) (acid reducer + antacid). Gluten free. Compare to Pepcid Complete active ingredients (This product is not manufactured or distributed by Johnson & Johnson Corporation, owner of the registered trademark Pepcid Complete). Just one tablet relieves heartburn due to acid indigestion. 100% quality guaranteed. Questions or comments? 1-877-932-7948. Like it or let us make it right. That's our quality promise. 877-932-7948. supervaluprivatebrands.com.