Crossover of Energy Systems : How Your Body Is Fuelled

Our bodies use two major energy systems, the anaerobic and aerobic. The anaerobic system delivers energy when the body is running low of oxygen or when the activity is explosive in nature, meaning a constant oxygen supply isn’t really needed. The aerobic system breaks down glycogen for energy in the presence of oxygen consequently producing little or no lactic acid, enabling prolonged periods of activity before fatigue sets in.

Many activities employ both energy systems, therefore nutritional supplements such as the ones listed below will help to maximise each energy system, prolonging training:

- Complex carb based proteins such as XL Nutrition Xtra Protein and Carbs will deliver sustainable energy to stave off the lactic acid (anaerobic system).

- Simple carbs (quick release) such as Isotonic and hydration beverages e.g. Science in Sport GO Electrolyte Sports Fuel can stave off lactic acid when oxygen is in short supply.

- Citrulline Malate, a non-essential amino acid that promotes Arginine production in the body which is a known precursor to Nitric oxide production. Nitric oxide increases the delivery of oxygen to muscles resulting in improved endurance and aerobic activity! Try Primaforce Citrulline Malate as a pre, intra and post work out supplement.

About the Author

Job Role Qualified Dietitian and Sports Nutritionist Qualifications BSc (Hons) Sports Science | BSc (Hons) Dietetics Tom has always participated in sport both recreationally and competitively which led to an unquenchable thirst for information on anything health, nutrition and fitness. After leaving school Tom went on to play for a football academy during which time he studied Sport and Exercise Science. From here he went on to study a BSc (Hons) Sport Science at UEA followed by his second BSc (Hons) degree, this time at the University of Hertfordshire studying Dietetics. Tom has worked in the fitness, educational and clinical nutrition industry starting out at David Lloyd Health and Leisure Clubs. He then went on to work as a Dietitian (RD) in the NHS, during which time he conducted clinics for healthy eating, weight loss and weight gain, as well as specialised consultations on Diabetes, IBS and Coeliac disease to name a few. He has vast amounts of experience at devising diet plans and supplement regimens, as well as working in the community with schools and competitive athletes. As Head Nutritionist and Supplement expert at Discount Supplements Tom is here to provide current and evidence based health and nutrition information to help you reach your health and fitness goals!
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