Polyunsaturated fatty acids (PUFAs) are omega-3 fatty acids that increase muscle mass and strength. You can boost your creatine levels by eating red meat or taking creatine supplements. Supplementing with HMB reduces muscle damage after exercise and increases muscle strength and mass. The latter is most popular among bodybuilders due to its lower fat and carbohydrate content. Soy protein is derived from soybeans and comes in the form of soy protein concentrate and isolate. Casein protein is slow, dependable, and there for the long haul. Some people might experience bloating, gas, or constipation, especially if your body and lactose aren’t best friends. Whey is a protein found in milk that contains the essential amino acids necessary for muscle growth. Supplements for muscle growth claim to help with exercise, strength, and overall athletic performance. There is no magic formula that will transport you directly to your goal, but there are certainly supplements whose effects you will notice more quickly than others, like the best pump pre-workouts. "I’ve tried so many protein powders, but ISO100 is on another level. My energy stayed stable all day, and I actually felt more focused—not jittery like other products. Designed for optimal use immediately after training, Growth Surge works to jumpstart the anabolic window—a critical period where muscles are primed for nutrient uptake. Definitely not your average post-workout powder." – Quinton Harkins With consistent use, it supports muscle growth, reduces soreness, and boosts endurance, making it one of the best supplements for muscle gain and strength. Include these supplements in your existing training regimen to experience a massive boost in your performance and your results. Consistent whey protein consumption with exercise may improve strength and muscle growth. If you’re looking to build lean mass, a few muscle growth supplements may help. The best BCAA supplements are another great supplement for training thanks to their influence on hydration and muscle recovery. Creatine may just be one of the most widely-studied supplements on the market given its significant influence on energy production, lean muscle mass, cognitive improvements, and more. Found in even the best natural pre-workout supplements, beta-alanine is a supplement that increases the carnosine in your muscles, which can help minimize muscle fatigue, promoting better recovery. Whether you choose between whey isolate, concentrate, or other protein forms, studies have shown that supplementing with protein powders can lead to more muscle thickness. Which leads me to our final supplement on our list of the best muscle mass building supplement, the one I believe could produce steroid-like results but without any of the side effects. He is the author of "Hold On to Your Muscle, Be Free of Disease," a unique approach to health improvement and anti-aging in the context of muscle health. Robert Iafelice is a nutritionist, registered dietitian, and supplements expert. She has extensive experience with dietary supplements and nutrition in particular. Paul Kita is a Deputy Editor at Men's Health, where he has covered food, cooking, nutrition, supplements, grooming, tech, travel, and fatherhood at the brand for more than 15 years. Utilizing creatine supplements is an effective method to enhance power and build strength, particularly during explosive exercises. The study concluded that pre-sleep casein protein (40 to 48 grams, 30 minutes before bed) can help post-exercise recovery and positive affect acute protein metabolism and performance. This powder also includes a full range of essential amino acids, including a whopping 2.9 grams of leucine, which is also more than you’d find in many whey powders. It's made from a blend of pea, pumpkin seed, sunflower seed, and alfalfa, offering a whopping 30 grams of protein in each 160-calorie scoop (that's more protein than many whey protein powders). When it comes to protein powder, whey is considered the gold standard for guys who want to build muscle fast.