Gain solid muscle mass efficiently with Opto Mass Gainer! Each serving contains a whopping 40 grams of protein and enriched with essential amino acids (EAAs), branched-chain amino acids (BCAAs), glutamine and creatine, providing comprehensive support for muscle growth and recovery.

This formula is loaded with nutrient-dense calories derived from high-quality, fast, medium, and slow-digesting proteins and healthy fats and added vitamins and minerals to deliver a nutrient-dense blend.

Complex carbohydrates ensure a rapid and sustained release of fuel to meet your energy demands during intense workouts. To maximize absorption and utilization, we've also included digestive enzymes, which facilitate the breakdown of protein, making it readily available for your hardworking muscles.

Unlock your true potential with Opto Mass Gainer and experience unparalleled gains in muscle mass and strength.