Optimum Nutrition Serious Mass Chocolate Powder

Looking to bulk up and gain healthy weight without stuffing yourself all day? Optimum Nutrition Serious Mass Chocolate Powder is your go-to daily companion for serious muscle building and fast weight gain. Packed with high calories, proteins, and essential nutrients, it fuels your body the right way—whether you’re a hard gainer or recovering after intense training sessions. It’s suitable for everyday use and works best when combined with regular workouts. While most users experience positive results, mild side effects like bloating, slight stomach discomfort, or a feeling of fullness may occur—but don’ worry, they’re usually short-term as your body adjusts!

This chocolate-flavored mass gainer is specially formulated for those who struggle to put on weight or want to increase muscle mass efficiently. Ideal for athletes, gym-goers, or anyone looking to boost their daily calorie and protein intake.

Serious Mass works by giving your body an abundant supply of calories, proteins, and carbs, which are crucial for muscle growth and post-workout recovery. It helps create the calorie surplus required for weight gain, supporting consistent energy levels and improved muscle synthesis.

Mix 2 heaping scoops with 700ml of cold water or milk, blend well, and consume after workouts or between meals for best results.

• Mild bloating or gas
• Stomach discomfort
• Feeling overly full or heavy