While our products are safe and of the highest quality – they are formulated to be used by healthy and active individuals. We advise anyone who has a medical condition to check with their healthcare professional before using any of our products.
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Send feedbackWhile our products are safe and of the highest quality – we advise anyone who is pregnant or breastfeeding to check with their healthcare professional before using any of our products.
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Send feedbackIf there is an outbreak in any dairy farm supplying Glanbia we are immediately notified by the Dairy inspectorate of the Department of Agriculture. There is no scientific evidence to show that BSE can be transmitted through milk or milk products.
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Send feedbackCreatine monohydrate is widely recognized as the most effective ergogenic nutritional supplement currently available to athletes in terms of increasing high-intensity exercise capacity and lean body mass during training. Creatine is among the most researched supplements in the sports nutrition category over the last 20 years. There is no compelling scientific evidence that the short- or long-term use of creatine monohydrate has any detrimental effects on otherwise healthy individuals and the only side effect seems to be potential weight gain.
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Send feedbackSweeteners are used in foods to provide zero to reduced calorie options to sweeten foods compared to sweetening with sugar or fructose. The EU Commission recently concluded from reviewing the scientific literature that there is no convincing data linking the intake of sweeteners at appropriate daily intake levels - to any negative health outcomes. You can read their findings here.
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Send feedbackOptimum Nutrition has more than 30 years’ experience of working with elite athletes and teams.
All of Optimum Nutrition’s powders, bars and supplement products are manufactured at our own Glanbia Performance Nutrition facility in Middlesbrough, England, which is an Informed-Sport registered site. Informed-Sport site certification is a unique certification that provides in-depth analysis into critical control processes, regular on-site inspections and manufacturing facility swabbing to help ensure the integrity of the manufacturing process specifically for sports-nutrition manufacturing practices.
In addition selected products are also Informed Sport registered including our Gold Standard 100% Whey England Rugby, Gold Standard 100% Plant and our Optimum Bar.
Coaches or athletes who require batch tested product across our range can order from our custom LGC batch tested range here.
Our other Gold Standard range of products including BCAA Train + Sustain, Pre-workout and Gainer are tested through the parraellel Informed Choice programme.
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Send feedbackAll of Optimum Nutrition’s powders, bars and supplement products are manufactured at our own Glanbia Performance Nutrition facility in Middlesbrough, England, which is an Informed-Sport registered site. Informed-Sport site certification is a unique certification that provides in-depth analysis into critical control processes, regular on-site inspections and manufacturing facility swabbing to help ensure the integrity of the manufacturing process specifically for sports-nutrition manufacturing practices.
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Send feedbackYes, it is safe to take Serious Mass and Creatine together.
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Send feedbackWe would recommend that someone with any type of medical condition refer to their medical advisor before taking any of our supplements.
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Send feedbackThere is currently no clear research in humans suggesting any of the negative health impacts, whilst there is some research suggesting positive health outcomes associated with high phytoestrogen diets in males. All of the ingredients in our products have been approved and considered safe for consumption by the European Food Safety Authority.
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