Fig. 1.

a Tumour volume in MMTV-NEU-NT tumour-bearing control mice and mice treated with β-OHB (500 mg/kg), injected ip daily for 3 weeks. Control: N = 25 tumours (18 mice), Treated: N = 23 tumours (19 mice); * p < 0.005. b Tumour growth rates (cm³/day) post-treatment with β-OHB (500 mg/kg), injected ip daily for 3 weeks during week 1 (days 0–7), week 2 (days 7–14), week 3 (days 14–21) and overall, weeks 1–3 (days 0–21); ** p < 0.005, * p < 0.05