Flexi Nutrition Xtreme Mass


FLEXI NUTRITION XTREME MASS is the Ultimate Mass Gainer and Recovery Catalyst which has been engineered for the true hard-gainer in need of caloric support and for those with intense muscular expenditure.

XTREME MASS premium quality formula has been specifically designed to help you add high quality calories to your diet which will enable you to build lean muscle mass and assist with muscular recovery though the use of both ‘slow-burn’ complex carbohydrates and fast-acting high glycaemic carbohydrates.

XTREME MASS is easy to mix, tastes like a gourmet milkshake and features a 3:1 ratio of carbohydrates to protein with over 1030 Nutrient-Dense Calories.

Each super serving contains 60g of Protein from Free-Range Grass-Fed Whey and 170g of Carbohydrates, principally sourced from ground whole oats.

XTREME MASS is manufactured in an Informed Sports Certified Facility under ISO 22000.



Recovery – Add 130g (2 level scoop), with 400ml of water or skimmed milk and shake well.

Weight Gain – Add 260g (4 level scoop), with 700ml of water or skimmed milk and shake well.

Take 1 – 2 servings split throughout the day depending on training intensity and calorific and protein intake requirements. For best results, take 1 serving within 30 minutes after your training session. Do not exceed stated dosage.



Available in 4 delicious flavours: Chocolate Carmel, Cookies and Cream, Vanilla Cream and Strawberry