Maxi Nutrition Progain powder helps you bulk up lean muscle with a mighty whey and calcium caseinate blend, delivering bigger gains and quicker recovery after tough workouts. A blend of whey protein concentrate and calcium caseinate gives you fast and steady amino acid delivery, supporting steady nourishment for workouts and recovery. Manufactured in the UK and backed by Informed-Sport screening, MaxiNutrition stands for integrity, quality and sport science behind every scoop.

Available Sizes & Variants:

1200g Maxi Nutrition Progain Powder – ideal daily mass gain with high protein and calories.

Benefits & Features:

• Rapid muscle growth after resistance training is supported.
• Provides quick and steady amino acid delivery thanks to whey and calcium caseinate.
• High calorie, calorie rich formula supports dedicated gainers aiming for size.
• Vitamin B6 helps energy metabolism and protein use for faster recovery.
• Built for daily use, this mix brings maltodextrin carbohydrates and sunflower oil powder fats to deliver the extra calories people training hard need to push on and grow.

MaxiNutrition has a long standing history in UK sport nutrition, dating back to 1995, built on science backed formulations and athlete testing. Progain Powder is made in the UK under strict quality standards and carries Informed-Sport accreditation, giving athletes confidence in purity. The blend uses carefully selected ingredients, including whey protein concentrate and calcium caseinate, to provide both rapid and sustained amino acid delivery that supports demanding training schedules. For those tracking protein powders, this product also contributes a rich source of protein in protein powder options while remaining a trusted choice.