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Independent analysis of NHS open data
PharmaInsight

Sodium zirconium cyclosilicate vs Sodium bicarbonate

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

Sodium bicarbonate was dispensed 17.2× as often as Sodium zirconium cyclosilicate in May 2026 — 54,107 items versus 3,147 in England.

3,147items

Sodium zirconium cyclosilicate · May 2026

NHSBSA Prescription Cost Analysis

54,107items

Sodium bicarbonate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Sodium zirconium cyclosilicate versus Sodium bicarbonate: national items dispensed by month

▬ Sodium zirconium cyclosilicate   ·   ╌ Sodium bicarbonate

0 29k 58k Aug 2021 May 2022 Feb 2023 Nov 2023 Aug 2024 May 2025 May 2026 Sodium bicarbona… 3,147 Aug 2021: 249 Sep 2021: 278 Oct 2021: 178 Nov 2021: 160 Dec 2021: 199 Jan 2022: 178 Feb 2022: 181 Mar 2022: 239 Apr 2022: 226 May 2022: 302 Jun 2022: 301 Jul 2022: 311 Aug 2022: 360 Sep 2022: 336 Oct 2022: 401 Nov 2022: 456 Dec 2022: 473 Jan 2023: 522 Feb 2023: 589 Mar 2023: 702 Apr 2023: 672 May 2023: 800 Jun 2023: 883 Jul 2023: 841 Aug 2023: 920 Sep 2023: 969 Oct 2023: 992 Nov 2023: 1k Dec 2023: 1k Jan 2024: 1k Feb 2024: 1k Mar 2024: 1k Apr 2024: 1k May 2024: 1k Jun 2024: 1k Jul 2024: 2k Aug 2024: 1k Sep 2024: 1k Oct 2024: 2k Nov 2024: 2k Dec 2024: 2k Jan 2025: 2k Feb 2025: 2k Mar 2025: 2k Apr 2025: 2k May 2025: 2k Jun 2025: 2k Jul 2025: 2k Aug 2025: 2k Sep 2025: 2k Oct 2025: 3k Nov 2025: 3k Dec 2025: 3k Jan 2026: 3k Feb 2026: 3k Mar 2026: 3k Apr 2026: 3k May 2026: 3k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Sodium zirconium cyclosilicate versus Sodium bicarbonate, May 2026
Measure Sodium zirconium cyclosilicate Sodium bicarbonate
Items, May 2026 3,147 54,107
Items, last 12 months 32,386 654,059
Net ingredient cost, May 2026 £668,252 £488,777

See the full profile for Sodium zirconium cyclosilicate or Sodium bicarbonate.