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Independent analysis of NHS open data
PharmaInsight

Calcium carbonate vs Other kelp preparations

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

Calcium carbonate was dispensed 36,144.0× as often as Other kelp preparations in June 2026 — 36,144 items versus 1 in England.

36,144items

Calcium carbonate · June 2026

NHSBSA Prescription Cost Analysis

1items

Other kelp preparations · June 2026

NHSBSA Prescription Cost Analysis

Figure 1. Calcium carbonate versus Other kelp preparations: national items dispensed by month

▬ Calcium carbonate   ·   ╌ Other kelp preparations

0 19k 38k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Jun 2026 Other kelp prepa… 36,144 Jan 2021: 33k Feb 2021: 31k Mar 2021: 35k Apr 2021: 34k May 2021: 32k Jun 2021: 34k Jul 2021: 34k Aug 2021: 33k Sep 2021: 34k Oct 2021: 32k Nov 2021: 33k Dec 2021: 35k Jan 2022: 33k Feb 2022: 31k Mar 2022: 35k Apr 2022: 32k May 2022: 34k Jun 2022: 33k Jul 2022: 33k Aug 2022: 34k Sep 2022: 33k Oct 2022: 33k Nov 2022: 33k Dec 2022: 32k Jan 2023: 32k Feb 2023: 30k Mar 2023: 36k Apr 2023: 31k May 2023: 33k Jun 2023: 33k Jul 2023: 33k Aug 2023: 33k Sep 2023: 33k Oct 2023: 33k Nov 2023: 34k Dec 2023: 34k Jan 2024: 34k Feb 2024: 33k Mar 2024: 33k Apr 2024: 35k May 2024: 35k Jun 2024: 33k Jul 2024: 36k Aug 2024: 35k Sep 2024: 34k Oct 2024: 36k Nov 2024: 35k Dec 2024: 36k Jan 2025: 36k Feb 2025: 33k Mar 2025: 35k Apr 2025: 35k May 2025: 37k Jun 2025: 36k Jul 2025: 38k Aug 2025: 35k Sep 2025: 37k Oct 2025: 38k Nov 2025: 35k Dec 2025: 38k Jan 2026: 37k Feb 2026: 34k Mar 2026: 37k Apr 2026: 36k May 2026: 34k Jun 2026: 36k

Source: NHSBSA Prescription Cost Analysis, to June 2026

Calcium carbonate versus Other kelp preparations, June 2026
Measure Calcium carbonate Other kelp preparations
Items, June 2026 36,144 1
Items, last 12 months 434,168 1
Net ingredient cost, June 2026 £204,740 £1

See the full profile for Calcium carbonate or Other kelp preparations.