- The world's #1 Selling Whey Protein- 24g of premium whey protein but low in sugars and fat- 5.5g of naturally occurring BCAA in each serving- 4g glutamine & glutamine acid- Enjoy first thing in the morning &/or pre or post-workout- High protein to support muscle growth & maintenance- New Birthday Cake flavour to celebrate our 30th Birthday- 30 Years of setting the Gold StandardHelp kick start your muscle growth with Optimum Nutrition&rsquos Gold Standard 100% Whey&trade. The world&rsquos best-selling whey protein delivers 24 grams of protein with low levels of fat and 120 calories. This superior quality powder has been instantised to mix easily using a shaker cup. There's no doubt that this is the gold standard by which all other whey proteins are measured.Who should take Gold Standard 100% Whey?Passionate, dedicated and determined athletes that are prepared for every workout choose the World&rsquos No.1 selling protein powder. They value quality, consistency and a brand they can trust to provide them with a high standard product to fuel their diet, exercise & performanceWhat Does It Do?After training, your body uses protein to help repair and rebuild muscle fibres. Gold Standard 100% Whey&trade protein is easily digested in the stomach, meaning itprovides a fast delivery of protein to muscles. This is especially important immediately after training, when the muscle has been broken down. Whey is also asource of branched chain amino acids (BCAAs), including Leucine.When Is The Best Time To Use Gold standard 100% Whey?Gold Standard 100% Whey&trade is fast absorbing so is best enjoyed first thing in the morning and/or during the 30 minutes just before or immediately after training. Simply mix one rounded scoop with 180-240 ml (6-8 oz) of cold water in an ON shaker.