Optimum Nutrition is one of the leading sport nutrition companies in the world and produces the most iconic and the highest-selling protein powder on the international market. ON's strict ingredients selection, quality control, lab testing, and manufacturing processes are all done for one reason: to provide you with the highest quality sports nutrition products available.

Optimum Nutrition Serious Mass is a high-calorie weight gainer which is also high in protein and when taken over time with regular resistance exercise and a balanced diet can help you gain mass and muscle. It also has creatine and glutamine to support Muscle building & recovery, when accompanied by a balanced diet and regular exercise.

If you're very determined to reach your strength and muscle-building goals, there's a very good chance that you've considered or considering taking a weight gainer.  

Serious Mass Weight Gainer is a high-calorie supplement that contains various levels of protein, fat, carbohydrates, minerals, vitamins, amino acids, and various other supplements that will take your training to a completely new level.

For best results use Serious Mass combined with intense weight training (3-5 times per week) and a sensible whole foods diet. Also, keep in mind that sufficient recovery between workouts impacts your ability to gain lean mass. Allowing at least 48 hours between workouts involving the same body parts is recommended.

Benefits:

• Helps your bulging muscles stay strong
• High-calorie weight gaining protein ensures that you are getting the most out of your workouts
• Keeps your muscles sculpted
• The powder contains no cholesterol
• High-calorie weight gain formula, with a carb-protein ratio of 5:1
• 50 grams of protein, over 250 grams of carbohydrates (with no added sugar) per serving
• Includes 25 vitamins and minerals, creatine, glutamine, and MCTs
• 1,250 calories per serving mixed with water and 1,640 calories when blended into low-fat milk
• Take between meals, after weight training, and before bed

How to use:

• Add 1 scoop of Serious Mass powder in 350ml water or juice and have it twice a day. Prepare using an electric blender. Add fresh or frozen fruits, peanut butter, nuts & other calorie-dense foods to boost your weight gain potential, Use post-workout and/or between meals to add calories, carbs, and protein to your healthy, balanced diet.
• Serious Mass is a substantial weight-gain supplement that can be used to feed serious calorie needs in a variety of different ways.
• Between Meals: Drink 1/2-1 serving of Serious Mass Weight Gainer between meals to maintain positive nitrogen balance and support a high-calorie diet. Post-Workout: Begin drinking 1/2-1 serving of Serious Mass 30-45 minutes following exercise to support maximum recovery. Before Bed: Drink 1/2-1 serving of Serious Mass about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.

Disclaimer:

• Keep out of reach of children.
• Do not take this product if you are pregnant or nursing a baby.
• Check with a qualified healthcare professional before using this product if you are under 18 years of age or if you have any known or suspected medical condition(s) including diabetes, hypoglycemia, and/or if you are taking any prescription or OTC medication(s).