Β-OHB Supplementation and Brain Health in Older Adults

15g of a KME supplement orally consumed 3x daily for 14 days. This dosing protocol raises plasma β-OHB consistently during the waking hours. Oral KME will be provided in opaque bottles labelled A or B to maintain condition blinding. Each bottle will contain a drink providing 15g of a KME supplement: \[R\]-3-hydroxybutyl \[R\]-3-hydroxybutyrate (ΔG®, TDeltaS, Oxford, UK).

50mL taste-match inert calorie-free placebo drink orally consumed 3x daily for 14 days. Oral placebo will be provided in opaque bottles labelled A or B to maintain condition blinding.