Calcium carbonate vs Selenium
National NHS prescribing compared (Prescription Cost Analysis)
Calcium carbonate was dispensed 336.0× as often as Selenium in May 2026 — 34,267 items versus 102 in England.
34,267items
Calcium carbonate · May 2026
NHSBSA Prescription Cost Analysis
102items
Selenium · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Calcium carbonate versus Selenium: national items dispensed by month
▬ Calcium carbonate · ╌ Selenium
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Calcium carbonate | Selenium |
|---|---|---|
| Items, May 2026 | 34,267 | 102 |
| Items, last 12 months | 433,772 | 1,307 |
| Net ingredient cost, May 2026 | £191,991 | £6,955 |
See the full profile for Calcium carbonate or Selenium.