Author: David Marlin

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Dr David Marlin is a physiologist and biochemist who has worked in academia, research and professional sport. He has worked in the equestrian and veterinary world and in human sport, healthcare, medicine and exercise science. In 1989 David obtained his PhD from the UK’s leading sports university, Loughborough University following a four-year study on the responses of Thoroughbred racehorses to exercise and training, undertaken at the renowned Animal Health Trust in Newmarket. You can read David's full biography in the Our Website section.

Can you really increase your horse’s muscle mass by feeding it the right nutrients? Yes, to an extent. The one key requirement more than what you feed is that a horse won’t develop more muscle unless it is in regular training. Even anabolic steroids work best when used in people or animals that are exercising. Of course, anabolic steroids are banned from being used in horses except in rare cases where they are used for specific medical reasons. Interestingly, a study in horses showed that the use of anabolic steroids in yearlings did increase muscle mass but by the time they were two years olds there was no clear difference between those that had and those that had not had anabolic steroids.

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