Optimum Nutrition Gold Standard Pro Gainer – Double Chocolate Weight Gainer Protein Powder (10.19 lb)
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Optimum Nutrition Gold Standard Pro Gainer is designed to support weight gain and muscle growth through a high-calorie protein and carbohydrate blend. Its large serving profile supports individuals who need additional calories to increase body weight and muscle size. The Double Chocolate flavor provides a rich dessert-style taste suited for high-calorie shakes and recovery nutrition.
Key Benefits
• Supports healthy weight gain
• High-calorie protein formula
• Supports muscle growth goals
• Designed for bulking phases
• Includes protein and carbohydrates
• Mixes easily into shakes
• Suitable for high-calorie diets
• Double Chocolate dessert-style flavor
Product Details
• Brand: Optimum Nutrition
• Product Type: Weight Gainer Protein
• Flavor: Double Chocolate
• Category: Mass Gainer
• Container Size: 10.19 lb
• Purpose: Weight and muscle gain
• Protein Type: Protein blend
• Usage: Post-workout or meal supplement
Best Uses
Ideal for bulking phases, increasing calorie intake, and supporting muscle size development.
Why Mass Gainer Supplements Like Pro Gainer Are Popular
Mass gainers are popular because they help individuals increase calorie intake quickly without needing to prepare large meals. Many athletes and hard gainers use mass gainers to support muscle growth when regular food intake alone isn’t enough.
