A personal trainer says taking BCAAs, supplements popular with fitness influencers, is a waste of time here's the simple thing you should do instead

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Once reserved for bodybuilders, performance-enhancing supplements are gaining traction among "normal" people.

Branch Chain Amino Acids, or BCAAs, are fiercely popular in the fitness industry.

A personal trainer told Business Insider you're better off spending your time and money on improving your diet with whole and unprocessed foods.

As hardcore workouts like high-intensity interval training HIIT and bootcamp classes have been on the rise, sports performance supplements have become more popular among ordinary people, creating a booming multi-million pound industry.

Most people are familiar with protein shakes, but another fiercely popular so-called performance enhancer is Branch Chain Amino Acids, or BCAAs as they are known.See the rest of the story at Business InsiderNOW WATCH: This pillow claims to reduce acid reflux symptoms I decided to try itSee Also:Kylie Jenner just announced the death of SnapchatWarren Buffett brilliantly explains how bubbles are formedCostco is selling more cars than ever before by offering one key perkSEE ALSO: The personal trainer who only eats 2 meals a day reveals why he's never touched a protein shake in his life

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