MRI. Founded by Ed Byrd in 1996, Medical Research Institute (MRI) is a privately held commercial enterprise that develops and markets proprietary and novel bodybuilding supplements and nutrition sports supplements for the health conscious, high performance athletes, and fitness enthusiasts. Remember all our MRI bodybuilding supplements and bodybuilding nutrition products include free delivery. Delivery is always free of charge, and orders will be delivered within 1-3 days. Spend over £50 and your order will be sent on a free priority delivery service! If you need any help or advice please do not hesitate to call our friendly advice line on 0844 745 1950! Remember, all UK orders receive FREE standard delivery!