Opal Fitness is driven by a passion for helping hard working humans to become the best version of themselves. Guided by science, we are always learning and working hard to improve the value we offer. Your results are our success. We make the products we want to use, and here to support you in getting real results. All Opal Fitness products are manufactured in the UK to strict GMP standards. Supplements to stack with BCAA Creatine Monohydrate Increase explosive performance with Creatine in convenient tablet form. Pre-WO Capsules Enjoy better workouts with jitter-free, Green Tea & Tyrosine capsules. T-Boost & Libido Support With Zinc, Maca and Korean Ginseng for hormone and libido support.