Optimum Nutrition Serious Mass Weight Gainer Protein Powder Vitamin C Zinc and Vitamin D for Immune Support Vanilla 12 Pound (Packaging May Vary)

Serious Mass from Optimum Nutrition is a high-calorie weight gain formula designed for individuals who want to achieve significant muscle growth and recovery.

With 1200 calories per serving, this product provides the necessary energy to support your ambitions.

Whether you're an athlete or just looking to bulk up, Serious Mass has got you covered.

Its protein-packed formula helps promote muscle growth and repair, ensuring that you get the most out of your workouts.

Plus, with less than 5 grams of fat per serving, you can be confident that you're getting the calories you need without any unwanted side effects.

So why wait? Try Serious Mass today and start seeing real results!