Optimum nutrition amino energy fruit fusion 30gour essential amino energy contains natural energisers to help power your personal best and is packed with 5g of amino acids per serving ideally taken before during or after your workout what does it do our essential amino energy has been specially formulated to deliver 5g of micronised amino acids including bcaas combined with natural energisers this drink always gives you the edge it tastes delicious is sugar free and just 10 calories p