Sodium benzoate vs Sodium phenylbutyrate
National NHS prescribing compared (Prescription Cost Analysis)
Sodium benzoate was dispensed 20.0× as often as Sodium phenylbutyrate in May 2026 — 20 items versus 1 in England.
20items
Sodium benzoate · May 2026
NHSBSA Prescription Cost Analysis
1items
Sodium phenylbutyrate · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Sodium benzoate versus Sodium phenylbutyrate: national items dispensed by month
▬ Sodium benzoate · ╌ Sodium phenylbutyrate
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Sodium benzoate | Sodium phenylbutyrate |
|---|---|---|
| Items, May 2026 | 20 | 1 |
| Items, last 12 months | 272 | 39 |
| Net ingredient cost, May 2026 | £4,698 | £493 |
See the full profile for Sodium benzoate or Sodium phenylbutyrate.