Optimum Nutrition Serious Mass is ideal for anyone wanting to add some calories into their diet buy physically can’t take any more food.
It is also ideal for anyone who finds it hard to gain weight. These are what we call hard gainers and this is definitely the product for you.
Optimum Serious Mass Shake delivers an amazing 1,250 calories, 50g of blended protein and 250g of Carbohydrate per serving, to help fuel workouts.
Single Serving Sachet
The World’s No.1 Sports Nutrition powder brand OPTIMUM NUTRITION brings you the new Gold Standard Pre-Workout ADVANCED. This product intensifies energy & focus* with 6g L-Citrulline, 3.2g Beta-Alanine and 200mg caffeine from natural sources. Gold Standard Pre-Workout ADVANCED will help you reach the pinnacle of your workout with 8x added L-Citrulline and 2x added Beta-Alanine per serve compared with the original Gold Standard pre-workout to help you achieve true gains.
* Vitamins B6, B12, niacin and pantothenic acid contribute to normal energy-yielding metabolism. Caffeine contributes to increased alertness and improved concentration.