Soluble insulin (Neutral insulin) vs Metformin hydrochloride

National NHS prescribing compared (Prescription Cost Analysis)

Data updated March 2026

Metformin hydrochloride was dispensed 1,321.2× as often as Soluble insulin (Neutral insulin) in March 2026 — 2,331,945 items versus 1,765 in England.

1,765items

Soluble insulin (Neutral insulin) · March 2026

NHSBSA Prescription Cost Analysis

2,331,945items

Metformin hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Soluble insulin (Neutral insulin) versus Metformin hydrochloride: national items dispensed by month

▬ Soluble insulin (Neutral insulin) · ╌ Metformin hydrochloride

Source: NHSBSA Prescription Cost Analysis, to March 2026

Soluble insulin (Neutral insulin) versus Metformin hydrochloride, March 2026
Measure	Soluble insulin (Neutral insulin)	Metformin hydrochloride
Items, March 2026	1,765	2,331,945
Items, last 12 months	22,334	27,395,015
Net ingredient cost, March 2026	£67,677	£5,257,359