Optimum Nutrition Serious Mass - 5.4kg



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Optimum Nutrition Serious Mass is designed for individuals who struggle to consume sufficient calories for weight gain due to a fast metabolism, reduced appetite, or a busy lifestyle. This ultimate weight gain formula delivers a substantial caloric intake, high-quality protein, and carbohydrates to support muscle growth, recovery, and overall physique goals. While incredibly effective for boosting calorie intake, users should integrate it carefully into their diet to align with their specific health and fitness objectives.
| Brand | Optimum Nutrition |
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The number of servings depends on the specific scoop size and serving recommendation. Based on the standard two-scoop (334g) serving, a 5.4kg container typically provides about 16 servings.
Yes, mixing Serious Mass with milk (dairy or non-dairy) is a popular option. It will typically increase the calorie and protein content of your shake, making it even more nutrient-dense.
Yes, Serious Mass is suitable for both men and women looking to gain weight, build muscle, and increase their calorie intake. The serving size can be adjusted based on individual caloric needs and goals.
The most effective times to take Serious Mass are post-workout to aid recovery, between meals to maintain caloric intake, and before bed to support overnight muscle repair and growth.
Info needed: Please refer to the product label for a full list of ingredients and allergen information. Mass gainers typically contain milk and soy components, among others.
While Serious Mass is calorie and nutrient-dense, it is designed as a supplement to a balanced diet, not a complete meal replacement. It should complement your regular meals to help achieve your daily caloric and macronutrient targets for weight gain.
Use a blender instead of a shaker bottle for better results. Try adding the liquid first, then gradually adding the powder while blending. Adjust the amount of liquid for desired consistency.
Start with half a serving (one scoop) for the first few days or week to allow your digestive system to adapt. Gradually increase to a full serving. Ensure adequate water intake throughout the day. If symptoms persist, consult a healthcare professional.
Ensure you are consistently consuming Serious Mass daily and pairing it with a balanced, calorie-rich diet and a strength training program. Track your calorie intake over several days to ensure you are in a sustained caloric surplus. Adjust serving size or frequency as needed, and consider consulting a fitness professional.
To prepare Optimum Nutrition Serious Mass, mix two scoops (approximately 334g) with 710 ml (24 fl oz) of water, milk, or your beverage of choice. Use a blender for 45-60 seconds to achieve a smooth, consistent shake. For a thicker, more caloric shake, you can use less liquid or add ice, fruits, or other calorie-dense foods.
Serious Mass is compatible with a wide range of fitness goals centered around weight gain, muscle building, and recovery. It can be safely integrated into a diet alongside other common supplements such as multivitamins, fish oil, or additional creatine, depending on individual needs. It is formulated for adult use and is suitable for both men and women aiming to increase their body mass and muscle size.
To ensure the longevity and quality of your Serious Mass, store the container in a cool, dry place, away from direct sunlight and moisture. Always keep the lid tightly sealed after each use to prevent clumping and maintain freshness. Avoid storing in humid environments, such as bathrooms. Consume within the recommended timeframe after opening, typically within a few months, to ensure optimal potency and flavor.