# Calcium carbonate + Sodium bicarbonate + Sodium alginate: NAFDAC-registered combination products in Nigeria

- 3 active registrations from 2 companies in our October 2026 copy of the NAFDAC Greenbook.
- Components: Calcium carbonate, Sodium bicarbonate, Sodium alginate.

| Product | NAFDAC no. | Form | Strength | Holder |
|---|---|---|---|---|
| Gaviscon Double Action Liquid | [A4-9366](https://greenbook.nafdac.gov.ng/products/details/8471) | Suspension | 250 mg/5 mL; 133.5 mg/5 mL; 80 mg/5 mL | Reckitt Benckiser Nigeria (https://ogbogwu.com/manufacturers/reckitt-benckiser-nigeria/) |
| Gaviscon Peppermint Liquid Suspension | [A4-7058](https://greenbook.nafdac.gov.ng/products/details/7430) | Suspension | 80 mg; 133.5 mg; 250 mg | Reckitt Benckiser Nigeria (https://ogbogwu.com/manufacturers/reckitt-benckiser-nigeria/) |
| Geescon Double Action Liquid 150 mL | [A11-100667](https://greenbook.nafdac.gov.ng/products/details/8475) | Suspension | 500 mg/10 mL; 213 mg/10 mL; 325 mg/10 mL | Greenvine Pharmaceutical (https://ogbogwu.com/manufacturers/greenvine-pharmaceutical/) |

Source: our October 2026 copy of the NAFDAC Greenbook. The register can change after our copy is taken; confirm any single registration on the official Greenbook. HTML: https://ogbogwu.com/combinations/calcium-carbonate-sodium-bicarbonate-sodium-alginate/ · Hub: https://ogbogwu.com/combinations/index.md