William Bonac Signature: PROTO SIZE Mass Gainer (Chocolate Hazelnut)

William Bonac Signature: PROTO SIZE Mass Gainer (Chocolate Hazelnut)

Unlock explosive growth with PROTO SIZE, a mass-building fueling system from the William Bonac Signature line. Designed for athletes who demand high-caliber results, this formula combines a robust caloric foundation with premium performance enhancers like Creapure® Creatine and Ashwagandha to support muscle size, strength, and recovery.

With 38 servings per container and a delicious Chocolate Hazelnut flavor, PROTO SIZE is engineered to help you hit your daily macronutrient targets while fueling intense training sessions.

Key Product Highlights

• Mass-Building Fuel System: Specifically formulated to support significant gains in muscle mass and overall body weight.

• Premium Performance Blend: Features 3000mg of Creapure® Creatine per serving for enhanced strength and power output.

• Hormonal & Stress Support: Includes 500mg of Tribulus Terrestris and 500mg of KSM-66® Ashwagandha to support natural vitality and recovery.

• Gourmet Flavor: Enjoy the rich, indulgent taste of Chocolate Hazelnut in every shake.

Product Specifications