The UK spends less per capita on healthcare than almost any other G7 nation (except Italy) [1], while maintaining a good standard of care [2]. That suggests that compared to other countries:

1. There isn't plenty of money

2. It's spent quite effectively

[1] https://www.ons.gov.uk/peoplepopulationandcommunity/healthan...

[2] https://www.kingsfund.org.uk/publications/articles/big-elect...