Over the years there have been many ‘strange’ medicines and products aimed at making the human body more desirable, This particular tablet was advertised in the Keighley News (West Yorkshire) in the week of 19-25th February 1918. It comes at a time of rationing, so perhaps people were wary of weight loss?

Flesh Forming Tablets
Flesh Forming Tablets. Advert from the Keighley News