Tryptophan vs Mirtazapine
National NHS prescribing compared (Prescription Cost Analysis)
Mirtazapine was dispensed 16,248.8× as often as Tryptophan in May 2026 — 1,137,415 items versus 70 in England.
70items
Tryptophan · May 2026
NHSBSA Prescription Cost Analysis
1,137,415items
Mirtazapine · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Tryptophan versus Mirtazapine: national items dispensed by month
▬ Tryptophan · ╌ Mirtazapine
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Tryptophan | Mirtazapine |
|---|---|---|
| Items, May 2026 | 70 | 1,137,415 |
| Items, last 12 months | 841 | 13,842,931 |
| Net ingredient cost, May 2026 | £5,840 | £1,218,242 |
See the full profile for Tryptophan or Mirtazapine.