Hilariously lucozade was originally used for exatly what the new gluco shots given buy the NHS were.

Its original name was glucoaid. And it was used in hospitals in the 50s and 60s to give energy to paiteints.

Back in the 80s when I was diagnosed Lucozade was what we were recomended to keep for the job. But there was so much better tasting stuff. I never got into it.