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Independent analysis of NHS open data
PharmaInsight

Compound alginates and proprietary indigestion preparations vs Calcium carbonate

National NHS prescribing compared (Prescription Cost Analysis)
Data updated May 2026

Calcium carbonate was dispensed 1.9× as often as Compound alginates and proprietary indigestion preparations in May 2026 — 890 items versus 480 in England.

480items

Compound alginates and proprietary indigestion preparations · May 2026

NHSBSA Prescription Cost Analysis

890items

Calcium carbonate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Compound alginates and proprietary indigestion preparations versus Calcium carbonate: national items dispensed by month

▬ Compound alginates and proprietary indigestion preparations   ·   ╌ Calcium carbonate

0 504 1k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Calcium carbonat… 480 Jan 2021: 381 Feb 2021: 334 Mar 2021: 501 Apr 2021: 383 May 2021: 424 Jun 2021: 393 Jul 2021: 389 Aug 2021: 395 Sep 2021: 427 Oct 2021: 356 Nov 2021: 426 Dec 2021: 332 Jan 2022: 368 Feb 2022: 294 Mar 2022: 311 Apr 2022: 306 May 2022: 321 Jun 2022: 197 Jul 2022: 211 Aug 2022: 192 Sep 2022: 201 Oct 2022: 177 Nov 2022: 160 Dec 2022: 149 Jan 2023: 151 Feb 2023: 137 Mar 2023: 154 Apr 2023: 146 May 2023: 159 Jun 2023: 190 Jul 2023: 183 Aug 2023: 194 Sep 2023: 183 Oct 2023: 227 Nov 2023: 217 Dec 2023: 224 Jan 2024: 209 Feb 2024: 207 Mar 2024: 220 Apr 2024: 221 May 2024: 210 Jun 2024: 197 Jul 2024: 202 Aug 2024: 204 Sep 2024: 210 Oct 2024: 203 Nov 2024: 206 Dec 2024: 224 Jan 2025: 208 Feb 2025: 201 Mar 2025: 243 Apr 2025: 271 May 2025: 347 Jun 2025: 317 Jul 2025: 357 Aug 2025: 333 Sep 2025: 413 Oct 2025: 332 Nov 2025: 414 Dec 2025: 440 Jan 2026: 501 Feb 2026: 402 Mar 2026: 447 Apr 2026: 445 May 2026: 480

Source: NHSBSA Prescription Cost Analysis, to May 2026

Compound alginates and proprietary indigestion preparations versus Calcium carbonate, May 2026
Measure Compound alginates and proprietary indigestion preparations Calcium carbonate
Items, May 2026 480 890
Items, last 12 months 4,881 11,270
Net ingredient cost, May 2026 £6,387 £16,910

See the full profile for Compound alginates and proprietary indigestion preparations or Calcium carbonate.