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Independent analysis of NHS open data
PharmaInsight

Levocarnitine vs Mercaptamine

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

Levocarnitine was dispensed 21.5× as often as Mercaptamine in May 2026 — 129 items versus 6 in England.

129items

Levocarnitine · May 2026

NHSBSA Prescription Cost Analysis

6items

Mercaptamine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Levocarnitine versus Mercaptamine: national items dispensed by month

▬ Levocarnitine   ·   ╌ Mercaptamine

0 110 220 Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Mercaptamine 129 Jan 2021: 208 Feb 2021: 195 Mar 2021: 207 Apr 2021: 197 May 2021: 200 Jun 2021: 199 Jul 2021: 205 Aug 2021: 183 Sep 2021: 202 Oct 2021: 182 Nov 2021: 200 Dec 2021: 188 Jan 2022: 188 Feb 2022: 197 Mar 2022: 192 Apr 2022: 182 May 2022: 194 Jun 2022: 178 Jul 2022: 206 Aug 2022: 189 Sep 2022: 165 Oct 2022: 185 Nov 2022: 172 Dec 2022: 174 Jan 2023: 74 Feb 2023: 62 Mar 2023: 109 Apr 2023: 91 May 2023: 96 Jun 2023: 101 Jul 2023: 141 Aug 2023: 127 Sep 2023: 99 Oct 2023: 176 Nov 2023: 195 Dec 2023: 144 Jan 2024: 220 Feb 2024: 177 Mar 2024: 202 Apr 2024: 187 May 2024: 131 Jun 2024: 107 Jul 2024: 149 Aug 2024: 154 Sep 2024: 110 Oct 2024: 112 Nov 2024: 121 Dec 2024: 129 Jan 2025: 132 Feb 2025: 136 Mar 2025: 116 Apr 2025: 136 May 2025: 137 Jun 2025: 121 Jul 2025: 108 Aug 2025: 113 Sep 2025: 135 Oct 2025: 115 Nov 2025: 125 Dec 2025: 136 Jan 2026: 139 Feb 2026: 123 Mar 2026: 135 Apr 2026: 122 May 2026: 129

Source: NHSBSA Prescription Cost Analysis, to May 2026

Levocarnitine versus Mercaptamine, May 2026
Measure Levocarnitine Mercaptamine
Items, May 2026 129 6
Items, last 12 months 1,501 100
Net ingredient cost, May 2026 £95,364 £990

See the full profile for Levocarnitine or Mercaptamine.