Are you trying to find muscle gainer for teens among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling muscle gainer for teens on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 25 hours of research and did 83 muscle gainer for teens tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best muscle gainer for teens you can buy today
- 1 bag of Healthy Heights Kids Protein Drink Mix, 10 servings, protein powder, nutritional shakes and protein supplement designed for boys and teens ages 10+.
- Formulated by pediatricians, focused on the specific nutritional needs of boys 10 and older, this kids growth protein shake formula promotes fat-free muscle mass in a delicious chocolate protein shake
- This chocolate protein drink for kids contains 18 grams of high-quality whey protein per serving, and no human growth hormone (HGH), corn syrup, or preservatives included in these high protein shakes!
- Chocolate protein supplements support growth and muscle development in pre-teens & teens - add to your child's diet with high quality nutrition shakes, high protein shakes for weight gain and growth
- Healthy Heights kids protein mix, made with the highest quality ingredients for delicious kids protein snacks and drinks, provides essential nutrients to support growth and fill nutritional gaps
- Superior Gains: MuscleTech 100% Mass Gainer is packed with protein, mass-producing calories, and muscle-fueling creatine. Mixed with skim milk, each serving packs 60g of protein and 1,500 calories. Flavor: Vanilla Milkshake. Approx. 42 scoops per tub.
- Nutrient-Dense Muscle Fuel: Reach musclebuilding milestones more efficiently. Each 6-scoop serving of our high-quality protein contains 304g of easily digestible carbs, 6.3g of L-leucine, and more than 13g of BCAAS when mixed with 2 cups of skim milk.
- Maximize Strength Potential: 100% Mass Gainer only uses pure HPLC-tested creatine. Scientific studies have shown that it helps replenish ATP stores in the body for enhanced performance, more muscle and an increase in strength.
- A Tasteful Experience: For years, the MuscleTech brand has partnered with the world’s top flavor houses to deliver a delightful taste experience in every serving. So when your goals are so close that you can taste ‘em, drink up.
- Pushing the Limits of Science and Human Potential: MuscleTech’s commitment to research, development, and innovation is the reason we continue to be an elite name for redefining performance through cutting-edge products and high-quality ingredients.
- Specially Formulated for Women: Experience the power of a muscle-building supplement crafted specifically for women. Our product ensures you receive the right support for lean muscle growth and recovery, tailored just for you.
- Clinically-Proven Ingredients: Experience the power of VitaCherry, ElevATP, and Senactiv. These all-natural, clinically studied ingredients work synergistically to reduce muscle soreness, enhance energy, and support muscle regeneration – all without artificial dyes or additives.
- Enhanced Muscle Recovery: Say goodbye to post-workout discomfort. VitaCherry in our Muscle Builder aids in muscle recovery and reduces soreness, making your workouts more effective and comfortable, paving the way for quicker progress toward your fitness goals.
- Elevated Energy and Performance: Our supplement enhances ATP production, providing you with increased energy levels and improved performance during your training sessions. Push harder and achieve your fitness goals with sustained energy.
- cGMP Manufacturing: Jacked Factory Muscle Builder For Women is crafted in a cutting-edge facility using premium, rigorously tested raw materials. Trust that every bottle delivers precisely what’s on the label—nothing less, nothing more.
- 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 gym
- 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 and recovery
- 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 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
- 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support
- 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
- Contains one (1) 5 pound cannister (about 14 servings) of Muscle Milk Pro Series Gainer Protein Powder Supplement. Packaging may vary. Shaker bottle sold separately
- Key Features Muscle Milk Gainer Powder Contains 32 Grams of Protein, 3 Grams of Leucine From Milk Proteins, and 650 Calories in Every 4 Scoops (162g), the Recommended Usage for Individuals Looking to Build Size and Gain Muscle Mass
- Usage Muscle Milk Gainer Powder Can Be Used Pre Workout, Post Workout or as an Anytime Protein Rich Meal Option or Snack
- Great Tasting Shak Mix 4 scoops (162g) MUSCLE MILK Gainer Powder into 10 16 fluid ounces water for a Great Tasting Shak; You can also add it to pancakes, smoothies or other recipes to increase the protein content
- Work Out; Refuel; Rebuild; Advance; Consuming Both Fast and Slow Release Proteins, Like Those Found in Muscle Milk Gainer, Helps Keep Your Body in Positive Protein Balance
- Ultimate Mass Gaining Formula: Reignite your mass-gaining goals with MuscleTech Mass Tech Extreme 2000, an advanced musclebuilding formula that delivers clean carbs and calories. Vanilla Milkshake. 30 scoops per bag.
- High-Density, Clean-Calorie Shake: Prepare for extreme gains with over 2,000 calories and 80 grams of great-tasting protein when mixed with 20 oz. of skim milk. Our formula also contains over 400 grams of carbs through a multi phase carb complex.
- Supports Musclebuilding: Each serving mixed with 20 oz. of skim milk delivers 5 grams of creatine monohydrate and 17.2 grams of BCAAs from whey protein, including 8.4 grams of L-leucine. L-leucine plays a role in mTOR activation and protein synthesis.
- A Tasteful Experience: For years, the MuscleTech brand has partnered with the world’s top flavor houses to deliver a delightful taste experience in every serving. So when your goals are so close that you can taste ‘em, drink up.
- Pushing the Limits of Science and Human Potential: MuscleTech’s commitment to research, development, and innovation is the reason we continue to be an elite name for redefining performance through cutting-edge products and high-quality ingredients.
- Patented Weight Gain System: CB-1 Weight Gainer features a patented formula that is designed to work as an appetite booster and reduce calorie burn, helping build lasting body mass. For best results, use with three regular meals and protein supplements.
- Clinically Tested: Our weight gainer is one of the few weight gain supplements backed by an 8-week clinical test showing users gained more weight on average with CB-1 than with diet alone—highlighting its effectiveness with consistent use.
- Fuller Shape and Curves: Scientifically formulated to support weight gain in areas like hips, thighs, chest, and booty—helping you achieve a curvier figure with a big butt. CB-1 aims to deliver real, lasting results without risky surgery.
- Build Size & Strength: This mass builder for men is designed to boost appetite and slow metabolic rate, supporting mass gain in key areas like the arms, shoulders, and legs—helping you bulk up and develop a stronger, more defined physique.
- Made in the USA with Globally Sourced Ingredients: Our weight gainer is free from harmful chemicals and made in the USA using natural herbs, vitamins, and minerals. Each batch is 3rd party tested to ensure purity, safety, and effectiveness you can trust.
- Boost your muscle growth and recovery with this powerful workout supplement for men (suplementos para aumentar masa muscular): Unlike your average mens supplement, VitaMonk Muscle Guard's ingredients was hand picked by our licensed in house doctors to help you build and maintain muscle mass.
- Increase your strength and endurance during workouts with this muscle gainer for men (suplementos para gym). Use this muscle recovery supplements, as a pre workout or post workout drink. You can even take it during a workout for an extra boost. The combination of HMB (Hydroxymethylbutyrate), EAAs, Vitamin D3, Magnesium, sodium and potassium makes this one of the best muscle recovery supplements.
- Enhance your overall athletic performance with MuscleGuard - muscle supplement for men: Unlike other bodybuilding supplements that contain weird ingredients meant to jack you up, our muscle mass gainer only uses ingredients hand picked by our in house doctors which were shown in studies to help maintain and build muscle.
- Improve your muscle mass and definition with this effective supplement for muscle growth. Unlike other gym supplements for men, Muscle Guard's ingredients are synergistic. Meaning they work together to put you in an anti-catabolic state ensuring you avoid muscle breakdown and loss, making it one of the muscle builder best supplements. It is also one of the best supplements for muscle recovery.
- What sets our muscle growth supplements for men (suplementos para hombres) and women apart? Hand picked ingredients back by science. Unlike other male supplements, Muscle Guard contains 1gram of HMB, 5.5 grams of EAAs, 25 mcg of Vitamin D, 45mg of Magnesium, 99 mg of Potassium, and several other key ingredients shown to help protect and build muscle. Muscle Guard can be used as a muscle builder for women and to help build muscle for men.
- Healthy Weight Gain: GNC Pro Performance Weight Gainer is packed with targeted macros for your healthy weight gain goals, plus great taste from all-natural colors and flavors.
- Dynamic Calories: Features a high-calorie, BCAA-rich formula designed to fuel your body with macros while replenishing energy stores.
- Premium Protein: Delivers 50G of protein from whey protein concentrate and micellar casein providing fast, medium, and slow-releasing protein and all 20 amino acids needed to build muscle mass.
- Banned Substance Tested: Trusted by athletes around the world, our formula is third-party tested for purity and potency—along with a completely transparent label and a banned substance tested formula
- Backed By Science: Since 1935, GNC has been committed to meeting the highest standards of quality, safety, and efficacy while applying the most up-to-date advances in nutritional science so you can live well.
- Advanced weight gain pill: uses an advanced force feed technology to increase hunger, delay fullness and improve digestion.
- Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
- Increases hunger hormone ghrelin: ghrelin has been shown to stimulate appetite to help you eat more food throughout the day.
- Delays fullness: ingredients such as ginger root, fennel seed and licorice root help relax the stomach muscles so you can consume larger quantities of food with each meal.
- Bioengineered digestive enzyme blend: a precisely formulated combination of enzymes designed to survive the acidity of the stomach and work throughout the digestive tract.
- Helps increase caloric intake: by enhancing your appetite, stomach volume and digestion feast mode allows you to eat larger meals and more total calories so you can increase your body weight.
- CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
- EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
- EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
- MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
- 100% GOURMET TASTE
- Boost Endurance & Performance: Build contains PeakO2 (1g) and ElevATP (150mg) to improve oxygen utilization and ATP production, enhancing endurance, stamina, and overall workout performance.
- Powerful Muscle Builder: Packed with scientifically backed ingredients, Build helps support muscle growth, aiding in weight gain and muscle development by increasing strength and energy during intense workouts.
- Accelerate Muscle Recovery: With 50mg of sodium, Build helps replenish electrolytes and maintain hydration, reducing muscle cramps and promoting faster muscle recovery after high-intensity training sessions.
- Optimize Workout Potential: Designed for athletes and fitness enthusiasts, Build enhances performance, energy levels, and muscle repair, making it the perfect supplement for those looking to maximize their muscle-building and endurance goals.
- Ideal for Daily Use: With just 2 capsules per serving, Build is a convenient addition to your fitness routine, helping you consistently boost performance, gain muscle, and recover faster every day.
- EFFECTIVE WEIGHT MANAGEMENT: Our powder delivers a substantial 1600 calories per Servings. Naturade's Weight Gain is formulated to assist athletes, individuals with fast metabolisms, and those supporting to their calorie management.
- BALANCED NUTRITION: Recognizing the significance of comprehensive nutrition, our formula goes beyond just high-calorie content. This product offers a balanced mix of carbohydrates and proteins, serving as a great source of energy for your muscles. Each servings gives you up to 46 grams of carbs and 20 grams of protein, perfectly supplementing for optimal health and performance.
- NATURAL INGREDIENTS: Naturade's Weight Gain nutrition drink mix is meticulously formulated with purely natural ingredients. We eschew artificial additives, colors, and preservatives to ensure you're only getting the pure goodness that supports your body's natural development. Free from artificial components, our mix presents a holistic and nutritious option for weight management.
- GLUTEN - FREE: With the belief that quality nutrition should be accessible to all, our Weight Gain drink mix is gluten-free. This ensures that people with gluten sensitivities can safely include it in their diets. Furthermore, it's deliciously chocolate-flavored, offering a delightful taste while adhering to dietary needs and preferences.
- AWARD WINNING FORMULA: Our Naturade Weight Gain drink mix, honored as the Best Weight Gain Product at the 2023 Vity Awards, delivers a substantial 1600 calories per Servings. Packaged in a 20.3-ounce container with 12 Servings, it ensures a durable supply for your nutritional needs. Our award-winning, stimulant- and steroid-free product may supports a natural weight management journey. Embrace the delicious chocolate flavor for an enjoyable and satisfying experience with every sip.
- TRUE-MASS: 700 CALORIES PER SERVING – the extra nutrition your body needs to build mass in an extreme training program.
- 2:1 RATIO OF CARBS & PROTEIN – provide your body a high-quality mix of carbs and protein to support your mass gaining goals
- 46G-50G PROTEIN FROM ULTRA-PREMIUM PROTEIN SOURCES – whey protein concentrate, calcium caseinate, milk protein isolate, whey protein isolate, micellar casein, hydrolyzed whey protein, and egg whites
- Medium chain triglycerides (MCT) FATS – round out the nutritional value of each shake and complement BSN's legendary great taste
- BSN FLAVOR TECHNOLOGY – Unbeatable taste and consistency for a milkshake-like experience you’ll always love, with several craveable flavor options
- 10G NATURALLY OCCURRING BCAAs PER SERVING – supports your recovery efforts from intense bouts of exercise
- ACCELERATED GAINS - With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey, R1 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.
- QUALITY CALORIES - Our formula also includes 9g naturally-occurring BCAAs, creatine, MCTs, and glutamine. We intentionally left out: creamers, soy protein, and banned substances.
- HOW TO USE IT - R1 Mass Gainer should be combined with a high-calorie diet and weight training or other high-intensity exercise. Use it in conjunction with the food you normally eat for additional daily calories. Do not use in place of meals.
- BETTER INPUT, BETTER OUTPUT - You’ll see these words all over our products. It means we’re relentlessly pursuing better input to ensure we never put a product on our site—or on a shelf—that we wouldn’t put in our own gym bag.
- NOTHING ARTIFICIAL: Naked Protein Blend (Whey and Micellar Casein), Organic Tapioca Maltodextrin, Organic Coconut Sugar, Organic Cacao, Alkalized Cocoa (Dutch and Brazilian), and Sea Salt. Double Chocolate Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, Soy Free, Certified Gluten Free.
- MAXIMUM NUTRITION: Each serving of our double chocolate weight gain powder contains 50g of Protein, 261g of Complex Carbs, 1,260 Calories and 12.9g of BCAAs (branched-chain amino acids). Contains no artificial sweeteners, flavors, or colors and is GMO Free, No rBGH or rBST, Soy Free and Certified Gluten Free.
- MULTI-PHASE CLEAN PROTEIN: All natural whey and casein provides your body with healthy amino acids to keep protein synthesis up throughout the day.
- ORGANIC COMPLEX CARBOHYDRATES: Unlike other chcolate weight gainer supplements, Naked Mass does not use wheat based carbohydrates, instead using gluten-free organic tapioca maltodextrin for a clean source of complex carbohydrates.
- PROTEIN SHAKES AND RECIPES: Our natural double chocolate weight gain protein powder is versatile in making protein shakes, smoothies and recipes. Boost calories and nutrition by adding Naked Mass to chocolate weight gainer shakes, pancakes, cookies and other recipes. Add additional flavor with fresh fruit such as a banana or blueberries. For use by men or women.
- ONLY THREE INGREDIENTS: Pea Protein Powder, Organic Rice Protein Powder and Organic Maltodextrin (made from gluten free organic tapioca). Vegan Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, Soy Free, Gluten Free, and Dairy Free with no rBGH or rBST.
- VEGAN NUTRITION: Each serving of our unflavored vegan weight gainer powder contains 50g of Protein, 248g of Complex Carbs, 1,230 Calories and 10.3g of BCAAs (branched-chain amino acids). To ensure a complete amino acid profile, the ratio of pea to rice protein is 2:1.
- PREMIUM COMPLEX CARBOHYDRATES: Unlike other vegan weight gain supplements, Naked Vegan Mass does not use wheat based carbohydrates, instead using gluten-free organic tapioca maltodextrin for a clean source of complex carbohydrates.
- REAL CLEAN PROTEIN: Gain weight the right way with our lactose free weight gainer, which contains our premium Naked Pea and Naked Rice protein. Naked Vegan Mass provides your body with the amino acids it needs to maintain protein synthesis and help you gain muscle when used with a weightlifting fitness routine.
- IDEAL FOR VEGAN WEIGHT GAINER SHAKES: Our unflavored vegan mass gainer is the perfect base so you can easily control what goes into your body and flavor as desired with fruit or vegetables. For use by men or women that prefer a non dairy weight gainer.
- The package dimension of the product is 8"L x 8"W x 11"H
- 100% Beef Protein Isolate Weight Gainer
- Supports Muscle Mass, Strength & Recovery
- Easier on the Stomach – Lactose, Sugar, Dairy and Gluten Free
- START GAINING MASS WITH A HIGH-CALORIE FORMULA: Build the size that creates big moments when you train with the blend of protein, creatine, and carbohydrates in GNC Pro Performance Bulk 1340 high-calorie mass gainer
- SUPPORT MUSCLE ENERGY, RECOVERY, AND GROWTH WITH CREATINE & MORE: Fuel maximum results during and after intense workouts with muscle fuel from high-quality protein and 1g of creatine to support energy production
- HIT BIGGER PROTEIN GOALS: Bulk 1340 packs 50g of whey protein powder with naturally occurring BCAA to support muscle growth—including 10g of glutamine, an amino that’s also important for supporting the immune system
- FUEL MUSCLES WITH 1,340 CALORIES IN A MACRO BLEND: GNC Pro Performance’s most nutrient-dense blend packs enough calories and carbs to blast through your most challenging sessions in the gym
- CHOOSE A BANNED SUBSTANCE-TESTED MASS GAINER: Unlike most mass gainers with proprietary blends, Bulk 1340 is certified Banned Substance Tested and designed to help athletes increase size and overall strength.
How to choose a good muscle gainer for teens
Does the idea of finding a fantastic muscle gainer for teens make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in muscle gainer for teens. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top muscle gainer for teens products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top muscle gainer for teens on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top muscle gainer for teens brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top muscle gainer for teens based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the muscle gainer for teens were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good muscle gainer for teens, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your muscle gainer for teens.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting muscle gainer for teens for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our muscle gainer for teens. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what muscle gainer for teens should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on muscle gainer for teens.
