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Independent analysis of NHS open data
PharmaInsight

Alginic acid compound preparations vs Calcium carbonate

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

Alginic acid compound preparations was dispensed 399.3× as often as Calcium carbonate in May 2026 — 355,365 items versus 890 in England.

355,365items

Alginic acid compound preparations · May 2026

NHSBSA Prescription Cost Analysis

890items

Calcium carbonate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Alginic acid compound preparations versus Calcium carbonate: national items dispensed by month

▬ Alginic acid compound preparations   ·   ╌ Calcium carbonate

0 196k 392k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Calcium carbonat… 355,365 Jan 2021: 364k Feb 2021: 341k Mar 2021: 381k Apr 2021: 360k May 2021: 344k Jun 2021: 359k Jul 2021: 355k Aug 2021: 340k Sep 2021: 359k Oct 2021: 341k Nov 2021: 359k Dec 2021: 377k Jan 2022: 358k Feb 2022: 332k Mar 2022: 369k Apr 2022: 336k May 2022: 348k Jun 2022: 342k Jul 2022: 338k Aug 2022: 345k Sep 2022: 346k Oct 2022: 339k Nov 2022: 351k Dec 2022: 357k Jan 2023: 358k Feb 2023: 320k Mar 2023: 374k Apr 2023: 333k May 2023: 332k Jun 2023: 336k Jul 2023: 341k Aug 2023: 343k Sep 2023: 323k Oct 2023: 357k Nov 2023: 371k Dec 2023: 363k Jan 2024: 381k Feb 2024: 349k Mar 2024: 355k Apr 2024: 366k May 2024: 370k Jun 2024: 345k Jul 2024: 372k Aug 2024: 355k Sep 2024: 351k Oct 2024: 378k Nov 2024: 362k Dec 2024: 371k Jan 2025: 384k Feb 2025: 339k Mar 2025: 361k Apr 2025: 359k May 2025: 367k Jun 2025: 354k Jul 2025: 369k Aug 2025: 341k Sep 2025: 368k Oct 2025: 382k Nov 2025: 353k Dec 2025: 392k Jan 2026: 380k Feb 2026: 348k Mar 2026: 380k Apr 2026: 372k May 2026: 355k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Alginic acid compound preparations versus Calcium carbonate, May 2026
Measure Alginic acid compound preparations Calcium carbonate
Items, May 2026 355,365 890
Items, last 12 months 4,394,364 11,270
Net ingredient cost, May 2026 £3,325,642 £16,910

See the full profile for Alginic acid compound preparations or Calcium carbonate.