Our expert says:
When I attended a course on sports nutrition at the University of Potchefstroom, emphasis was placed on the fact that the majority of sports supplements are really unnecessary! If you eat a diet that is rich in carbs to provide you with sufficient fuel to do your strenuous exercise, and eat approx. 1.5 to 2 g of protein per kg of body weight (let's say you weigh 50 kg? then this would amount to 100g of protein a day) and also ensure that you are adequately hydrated (but don't drink too much water), then there is no need to supplement. In your case I would avoid taking L-glutamine and obtain this amino acid from the protein in your diet. Click on 'Fitness' at the top of this page and then on 'Nutrition' and read the articles on 'Diets for Sportsmen and women', esp those on energy requirement, carbs, carbo-loading and protein intake.
Enjoy the mountain biking
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