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Gaining weight effectively and healthily requires the right nutritional support. Weight gainers are formulated to provide a concentrated source of calories, protein, and carbohydrates to aid in muscle building and overall weight increase. Choosing a product with quality ingredients tailored to your needs is crucial for achieving your goals without compromising your health.
HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
50 grams of blended protein per 2-scoop serving
Over 250 grams of carbohydrates per 2-scoop serving
With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support
MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential
HIGH-CALORIE MASS GAINER FOR SIZE & STRENGTH:Delivers over 1,200 calories per 2-scoop serving to support weight gain, bulking phases, and increased daily energy intake when diet alone isn’t enough
50G PREMIUM PROTEIN BLEND: Provides 50 grams of blended protein per serving to help support muscle repair, recovery, and lean mass development after intense training
HIGH-CARB ENERGY SUPPORT: Packed with over 250 grams of carbohydrates per serving to replenish glycogen stores, fuel workouts, and support sustained energy throughout the day
ADDED VITAMINS & MINERALS FOR DAILY NUTRITION: Includes 20+ essential vitamins and minerals, including Vitamin C and Zinc, to help support overall nutritional balance and immune system function
CUSTOMIZABLE, HIGH-CALORIE SHAKE BUILDER: Easily blend with milk, fruits, peanut butter, nuts, or other calorie-dense ingredients to further increase calories, improve taste, and tailor your weight-gain goals
Optimum Nutrition is the World's #1 Sports Nutrition Brand- Highest quality control measures so you feel comfortable and safe consuming the product
52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the...
CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
ENHANCED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health...
CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. It’s also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats
HIGH-CALORIE MASS GAINER FOR SIZE & STRENGTH:Delivers over 1,200 calories per 2-scoop serving to support weight gain, bulking phases, and increased daily energy intake when diet alone isn’t enough
50G PREMIUM PROTEIN BLEND: Provides 50 grams of blended protein per serving to help support muscle repair, recovery, and lean mass development after intense training
HIGH-CARB ENERGY SUPPORT: Packed with over 250 grams of carbohydrates per serving to replenish glycogen stores, fuel workouts, and support sustained energy throughout the day
ADDED VITAMINS & MINERALS FOR DAILY NUTRITION: Includes 20+ essential vitamins and minerals, including Vitamin C and Zinc, to help support overall nutritional balance and immune system function
CUSTOMIZABLE, HIGH-CALORIE SHAKE BUILDER: Easily blend with milk, fruits, peanut butter, nuts, or other calorie-dense ingredients to further increase calories, improve taste, and tailor your weight-gain goals
Optimum Nutrition is the World's #1 Sports Nutrition Brand- Highest quality control measures so you feel comfortable and safe consuming the product
Serious Weight Gainer: With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey, Mass Gainer puts you in charge of transforming to XXL.
6:1 CARB-TO-PROTEIN RATIO - The 6:1 carb-to-protein ratio in this calorie-packed formula can help you pack on desired pounds.
All-Whey Protein: 40g of high-quality whey protein delivers 9 grams of naturally occurring BCAAs per serving.
Additional Features: Enhanced with pure creatine monohydrate.
Clean Manufacturing: R1 Mass Gainer is proudly made in our own state-of-the-art GMP certified facilities in the USA and produced clean, with no banned substances.
Directions: Mix two (2) scoops of Mass Gainer with approx. 18-20 oz. of water, milk or your favorite beverage in a shaker cup or glass for a delicious shake. Or add your favorite fruit and ice to the above, mix in blender and enjoy as a smoothie! Mass...
Clean Formulation/Natural Flavors: Naturally flavored. Sweetened with stevia leaf extract. Gluten free. No added sugars, artificial colors/dyes, or fillers.
Quality Calories: 580 calories per serving to assist lean gains, help fuel energy intense activity, and aid muscle recover & glycogen replenishment after workouts, competitions, or other exercise
Premium Proteins: 30g protein per serving from a combination of whey, milk, and micellar casein sources. Proteins provide naturally occurring branched chain amino acids (BCAAs) and other essential amino acids (EAAs).
Multi-Source Carbs: 101g total carbs per serving from a blend of quinoa, blueberry, ginger root, rice bran, oat fiber and other sources. Contains only 2g of added sugars per serving. (Not a low-calorie food)
Easy Preparation: Clean Gainer is instantized to mix easily with cold water, milk, or juice. Just add 2 scoops along with liquid to a shaker cup or blender and mix for about 30 seconds.
Informed Choice Certified/Safe for Sport: Third-party tested for WADA banned substances. Production site, raw materials, equipment, and manufacturing processes independently monitored, analyzed, and certified for safety and added peace of mind.
Made in USA: With the finest domestic and imported ingredients. All Rival Nutrition proteins and performance nutrition supplements are produced in our very own state-of-the-art, GMP-inspected manufacturing facility to ensure the highest quality.
52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the...
CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
ENHANCED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health...
CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. It’s also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Sports Nutrition Weight Gainers
Understanding Weight Gainers
Weight gainers are dietary supplements designed to help individuals consume a surplus of calories, essential for weight gain. They typically contain a blend of carbohydrates, protein, fats, vitamins, and minerals. The primary goal is to provide a convenient way to increase daily caloric intake, supporting muscle growth and recovery when combined with resistance training.
Key Ingredients to Look For
Carbohydrates: Complex carbohydrates are preferred for sustained energy release. Look for ingredients like oats, sweet potato powder, or maltodextrin.
Protein: Essential for muscle repair and growth. Whey protein, casein, and plant-based proteins (like pea or rice protein) are common. Aim for a balance of fast-digesting and slow-digesting proteins.
Fats: Healthy fats contribute to calorie density and hormone production. Sources like MCT oil or flaxseed oil are beneficial.
Vitamins and Minerals: Ensure the formula includes a range of micronutrients to support overall health during a bulking phase.
Consider Your Dietary Needs and Goals
Your individual caloric needs, macronutrient targets, and dietary restrictions will influence your choice. Athletes and individuals with very fast metabolisms may benefit from higher-calorie formulas. Those with lactose intolerance should opt for lactose-free or plant-based protein sources. Always consider your training intensity and frequency when selecting a gainer to complement your diet.
When to Use a Weight Gainer
Weight gainers are most effective when consumed as part of a balanced diet and consistent exercise routine. Common times to take them include post-workout to aid in recovery, between meals to boost caloric intake, or before bed to provide sustained nutrition overnight. Consistency is key to seeing results.
Frequently Asked Questions
Are weight gainers suitable for everyone?
Weight gainers are primarily designed for individuals who struggle to consume enough calories through whole foods to gain weight. They may not be necessary for those who can easily meet their caloric goals naturally.
What is the difference between a weight gainer and protein powder?
Protein powder primarily focuses on delivering protein for muscle repair and growth. Weight gainers contain a higher ratio of carbohydrates and calories, along with protein, to help increase overall caloric intake for weight gain.
How much weight can I expect to gain?
The amount of weight gained depends on many factors, including your diet, exercise routine, metabolism, and the specific product's caloric content. Consistent use alongside a calorie surplus and training is necessary for noticeable gains.
Can I take weight gainers without exercising?
While you can gain weight by consuming a calorie surplus without exercise, the weight gained may be primarily fat. For lean muscle mass gains, combining weight gainers with a resistance training program is highly recommended.
Are there any side effects of using weight gainers?
Some individuals may experience digestive discomfort, bloating, or weight gain that is not primarily muscle if caloric intake is too high without adequate training. Choosing a product with quality ingredients and following recommended serving sizes can help mitigate these issues.
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