Impact of Dietary Nitrate Supplementation on VO2max During Ramadan Fasting in Healthy Adults

The goal of this clinical trial is to determine if beetroot juice supplementation changes exercise performance following one week of Ramadan fasting in young, healthy adults. The main question it aims to answer is: Does daily beetroot juice supplementation change VO2 max in fasting individuals during the first week of Ramadan? Participants will: Visit the lab before the start of Ramadan and after one week of fasting If assigned to intervention group, consume daily shots of beetroot juice (70ml) during the first week of Ramadan fasting Perform maximal exercise testing on a cycle ergometer