Not really foods, but two preparations I think intended really as tonics, especially for children; and perhaps sold only by the chemists. (Back when those emporia of health had their big jars of coloured liquids decorating the windows.) These were:
Minadex. A sweet, fruity, syprupy liquid concoction dosed by the teaspoonful.
This seems still made.
Virol. Its name and appearance suggested a grease for machinery bearings, but I recall rather liking this sweet, malty syrup.
.... created by Bovril in 1899. Resembling treacle, it contained bone marrow, malt extract, egg and syrup. Rich in vitamins A, B and D,....
Source: [rcpe.ac.uk]
Sold by pharmacists as having health benefits especially for pregnant woman, children and the infirm. The source says it was discontinued in the 1940s but that is not really correct. It was halted during WW2; but I remember it from the 1950s and Wikipedia reveals it changed hands a few times, but was produced until the 1980s.
