MEDEX Hidden Valley 2008
During a multi-week expedition to the Himalaya, we aim to investigate i) whether dietary supplementation with carbohydrate drinks and gels can improve physical performance; and ii) the underlying mechanisms for any observed changes in performance.
We hypothesise that i) carbohydrate supplementation will improve physical performance; and ii) the underlying mechanism of this improvement in performance will include maintenance of body glycogen (sugar) stores, prevention of dehydration and decrease in the incidence of acute mountain sickness.
Complex carbohydrates including maltodextrin (97%) dissolved in water to make a a 10% solution, or dissolved in 25mL gels. Ad libitum. Twenty two days.
Aspartame dissolved in water, ad libitum, 22 days.
Inclusion Criteria: a healthy enthusiasm for the outdoors and/or a passion for research in remote and difficult circumstances Exclusion Criteria: Persons with Phenylketonuria