[2] In 1923, she began her tertiary studies at King's College for Women, where she received a BSc in Household and Social Science, and another in Physiology.
[3] Her early research was dedicated towards the understanding of Vitamin D; she also jointly published the first article describing the breeding characteristics of the golden hamster.
[4] In 1933, Bruce was employed by the Pharmaceutical Society, where she continued her research on Vitamin D.[3][2] In 1941, she was appointed to set up the Cod Liver Oil (Poultry) Standardisation Laboratory.
[5] Bruce retired from the NIMR in 1963, but continued part-time research, variously on nutrients, development and pheromones, at the Department of Investigative Medicine in Cambridge.
[8] At this time, Bruce was also working with Dr Callow in the Department of Physiology, Pharmacology and Biochemistry, determining the healing effect of vitamin D in rats with rickets.