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PharmaInsight

Calcium carbonate vs Selenium

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

Calcium carbonate was dispensed 323.3× as often as Selenium in March 2026 — 36,530 items versus 113 in England.

36,530items

Calcium carbonate · March 2026

NHSBSA Prescription Cost Analysis

113items

Selenium · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Calcium carbonate versus Selenium: national items dispensed by month

▬ Calcium carbonate   ·   ╌ Selenium

Selenium 36,530

Source: NHSBSA Prescription Cost Analysis, to March 2026

Calcium carbonate versus Selenium, March 2026
Measure Calcium carbonate Selenium
Items, March 2026 36,530 113
Items, last 12 months 436,397 1,333
Net ingredient cost, March 2026 £205,253 £9,730

See the full profile for Calcium carbonate or Selenium.