Optimum Nutrition Serious Mass is the most advanced muscle mass building product with a specially reduced amount of sugar. By using Serious Mass, you will get the essential amount of proteins, carbohydrates, micronutrients, and calories necessary for muscle growth.

• 1250 calories per serving
• 50g protein complex (whey, casein, and egg proteins)
• Over 250 grams of carbohydrates – with NO ADDED SUGAR
• Enriched with creatine, L-glutamine and glutamine peptides, choline, inositol, PABA and MCT
• 25 vitamins and essential minerals with increased B vitamins and antioxidants

Every component in Optimum Nutrition Serious Mass is present solely to help you rapidly increase muscle mass. Everyone who has tried it agrees that it is a true mass-building masterpiece, featuring the most advanced protein formula composed of two types of whey protein: whey protein concentrate and egg albumin. This protein formula is special because it quickly supplies muscles with "building" materials.

In Optimum Nutrition Serious Mass, sugar has been replaced with higher quality carbohydrates, which will help protect you from gaining unnecessary – fatty mass.

Each serving of Optimum Nutrition Serious Mass contains up to 50 grams of protein and 125g of carbohydrates. The carbohydrate matrix consists of polysaccharides and crystalline fructose, providing the body with energy, allowing you to train more intensely and for longer, and your muscles to grow faster. B vitamins will help muscles overcome fatigue and reduce stress. It also contains creatine, taurine, L-glutamine, vitamins, and minerals.

Nutritional Value Per Serving (2 scoops - 334g)
Calories 1250kcal **
Calories from Fat 40kcal **
Total Fat 4.5g 7%
Saturated Fat 1.5g 8%
Cholesterol 80mg 27%
Total Carbohydrate 252g 84%
Dietary Fiber 4g 16%
Sugars 20g
Protein 50g 100%
Vitamin A (palmitate) 1.5mg 188%
Vitamin C (ascorbic acid) 60mg 75%
Vitamin D (cholecalciferol) 0.005mg 100%
Vitamin E (tocopherol) 20mg 167%
Vitamin B1 (thiamine) 4.8mg 436%
Vitamin B2 (riboflavin) 4mg 286%
Niacin 50mg 313%
Vitamin B6 5mg 357%
Folic Acid 0.4mg 200%
Vitamin B12 0.01mg 400%
Biotin 0.3mg 600%
Pantothenic Acid 25mg 417%
Calcium 590mg 74%
Iron 8mg 57%
Phosphorus 430mg 61%
Iodine 0.15mg 100%
Magnesium 140mg 37%
Zinc 15mg 150%
Selenium 0.07mg 127%
Copper 1.6mg 160%
Manganese 2mg 100%
Chromium 0.12mg 300%
Molybdenum 0.075mg 150%
Sodium 0.41mg **
Potassium 1560mg 78%
Creatine Monohydrate 1g
L-Glutamine 500mg
Glutamine Peptides 500mg
Choline (choline bitartrate) 250mg
Inositol 250mg
PABA (para-aminobenzoic acid) 5mg

† RMV not established.
* Reference Daily Intake is based on a 2,000 calorie diet.

Ingredients: Carbohydrate Complex, Protein Blend (Whey Protein Concentrate, Casein, Egg Albumin, L-Glutamine), Natural and Artificial Flavors, Serious Mass Vitamin and Mineral Complex: Potassium Glycerophosphate, Magnesium L-Lysinate, Calcium Glycerophosphate, Calcium Citrate Malate, L-Ascorbic Acid, Nicotinamide, Zinc Citrate, Beta-Carotene, Calcium D-Pantothenate, D-Alpha-Tocopheryl Acid Succinate, L-Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese L-Aspartate, Thiamine Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Picolinate, Pteroylmonoglutamic Acid, D-Biotin, Sodium Molybdate, Potassium Iodide, Cholecalciferol, Cyanocobalamin. Medium Chain Triglycerides (MCTs), Creatine Monohydrate, Sweetener Acesulfame Potassium, Emulsifier Lecithin.

Usage: Mix 0.5 serving (167g - one scoop) or a full serving (2 scoops, 334g) with 500-800 ml (depending on desired thickness) of water or skim milk, 1-2 servings per day. On training days, consume in the morning and immediately after training. On non-training days, consume in the morning and 45-60 minutes before bed.

Warnings: Keep tightly closed in a cool, dry place, out of reach of children, away from direct sunlight. Dietary supplements should not be used as a substitute for food.

Before starting to use, we recommend consulting with a trainer, sports doctor, or nutritionist. Do not exceed the recommended daily dose.

Manufacturer: Optimum Nutrition, Inc. Attn: Consumer Affairs Dept. 975 Meridian Lake Drive, Aurora, IL 60504

Country of Origin: USA