Short Term Ketone Supplementation and Cardiometabolic Health

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Objective: The objective of this study is threefold: 1) To establish feasibility and proof-of-concept for the efficacy of ketone supplementation in reducing blood pressure and improving vascular and cognitive function in older adults; 2) Establish proficiency and feasibility with the proposed cognit...

Objective: The objective of this study is threefold: 1) To establish feasibility and proof-of-concept for the efficacy of ketone supplementation in reducing blood pressure and improving vascular and cognitive function in older adults; 2) Establish proficiency and feasibility with the proposed cognitive function measurements; and 3) Obtain preliminary data for effect size generation. Background: Age is the primary risk factor for cardiovascular disease. Middle age is a vulnerable period where cardiovascular risk factors, such as BP, begin to emerge and signs and symptoms of disease first becomes evident. Hypertension is present in 60-75% of adults in this demographic and associated with vascular dysfunction and cognitive decline. Low Carbohydrate High Fat (LCHF) ketogenic diets have become increasingly popular for improving cardiometabolic health but adherence is suboptimal due to their restrictive nature. Supplementation with ketone drinks increase plasma ?-hydroxybutyrate and mimics the metabolic effects of LCHF ketogenic diets as well as lowers BP and improves vascular and cognitive function in rodent models. Whether ketone supplementation lowers BP and improves vascular and cognitive health in humans of any age is unknown. Approach: A double-blind randomized 2x2 crossover design with 2 repeated measures in each period will be used. Pre-/post-test evaluation in each period will be used to evaluate the benefits to vascular and cognitive health ingestion with consumption of a ketone drink/placebo drink.

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