Tryptophan vs Mirtazapine
National NHS prescribing compared (Prescription Cost Analysis)
Mirtazapine was dispensed 18,642.7× as often as Tryptophan in March 2026 — 1,193,133 items versus 64 in England.
64items
Tryptophan · March 2026
NHSBSA Prescription Cost Analysis
1,193,133items
Mirtazapine · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Tryptophan versus Mirtazapine: national items dispensed by month
▬ Tryptophan · ╌ Mirtazapine
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Tryptophan | Mirtazapine |
|---|---|---|
| Items, March 2026 | 64 | 1,193,133 |
| Items, last 12 months | 829 | 13,786,670 |
| Net ingredient cost, March 2026 | £4,884 | £1,207,599 |
See the full profile for Tryptophan or Mirtazapine.