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Supplements for muscle growth, also known as ergogenic aids, are popular among athletes and fitness enthusiasts aiming to increase muscle mass, enhance athletic performance, and improve recovery. While some supplements have proven effective, such as creatine, protein (whey, casein, soy), and carnitine, others like DHEA have shown weak evidence of their effectiveness and may carry side effects. Protein supplements are particularly beneficial for those engaging in resistance exercises like weightlifting. Additionally, weight gainers provide a convenient way to increase calorie and protein intake for those struggling to gain muscle. While genetics and sleep also play a role in muscle growth, supplements can be a safe and viable way to support muscle-building goals when chosen wisely and under the guidance of healthcare professionals.
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Branched-chain amino acids (BCAAs)
BCAAs are "burned" by muscles for energy. They are also important for protein synthesis and inhibiting protein catabolism. In rodent tissue, increased concentrations of BCAAs have been shown to stimulate protein synthesis and inhibit protein breakdown, while in humans, they primarily inhibit protein catabolism. BCAAs also play a role in the production of neurotransmitters in the brain and have been studied for their potential in treating neurological diseases.
While BCAAs are naturally present in food, they can also be taken as oral supplements. It is important to note that the dosages of BCAAs can vary depending on the intended use, and the quality and active ingredients in supplements may differ between manufacturers. Generally, BCAAs have not been associated with harmful side effects when taken orally for up to six months. However, it is always recommended to consult with a healthcare professional before taking any supplements, especially if you are taking other medications or have specific health conditions.
The effectiveness of BCAAs in preserving lean body mass has been questioned by some studies, suggesting that they may only be beneficial if an individual is not consuming enough high-quality protein in their diet. While BCAAs may not lead to significant muscle mass gains, they could be useful in preventing muscle breakdown during exercise. Overall, while BCAAs can be a useful supplement for athletes and bodybuilders, consuming sufficient protein in the diet remains essential for optimal muscle growth and preservation.
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Creatine
Several studies have demonstrated the effectiveness of creatine in improving muscle strength and power. For example, a study by del Favero et al. found that muscle power output and strength increased after squat exercises and bench presses in participants taking a large dose of creatine (20 grams per day) compared to a placebo group. Another study by Kaviani et al. showed an increase in muscle strength after bench presses, leg presses, and shoulder presses within two weeks in the creatine group compared to the placebo group.
The typical dosage for creatine supplementation is 20 grams daily for 5-7 days, followed by a maintenance dose of 3-5 grams daily for up to 12 weeks. It is recommended to take creatine with a glass of water and stay well-hydrated throughout the day. Creatine is generally considered safe for most people, but it is always advisable to consult a healthcare provider before taking any supplements.
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Beta-alanine
Carnosine helps to reduce lactic acid accumulation in the muscles during exercise, thereby improving athletic performance. Beta-alanine supplements increase carnosine levels, which may have several health benefits. Studies indicate that carnosine has antioxidant, anti-aging, and immune-enhancing properties. It also elevates nitric oxide production.
Combining beta-alanine supplementation with creatine may enhance its effectiveness. It is important to note that the quality and active ingredients in supplements may vary widely between manufacturers. As such, standard doses have not been established, and it is recommended that you consult a doctor before taking beta-alanine supplements.
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Whey protein
Research has shown that whey protein supplementation has a positive effect on upper- and lower-body muscular endurance. It is believed that the actual effect of protein supplementation is revealed more clearly when combined with a normal diet and exercise. The summative effects of many bouts of resistance exercise in combination with protein intake will promote muscle protein accretion over time.
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Weight gainers
Weight gainer supplements typically contain a high number of calories, with some providing over 1,000 calories per serving. However, it is important to note that the calorie contents of these supplements can vary significantly. For example, Crazy Nutrition's Mass Gainer delivers 488 calories per serving, along with 40 grams of high-quality protein and 56 grams of clean carbohydrates. This product is specifically designed to promote muscle growth efficiently without causing sudden blood sugar spikes, gas, or bloating.
The effectiveness of weight gainers in increasing lean mass has been studied, with mixed results. A 2012 study found that drastically increasing calories, in conjunction with sufficient protein intake, can lead to increased lean mass. On the other hand, a 2016 study involving males who practiced resistance training suggested that weight gainer supplements may not be effective for increasing lean mass. Therefore, weight gainers are generally recommended only for those who have difficulty consuming enough calories through food alone.
When considering weight gainer supplements, it is important to be aware of potential side effects. Some people may experience water retention or gastrointestinal distress when consuming large doses of these supplements. Additionally, it is worth noting that weight gainers may contain additives, such as artificial sweeteners, which could cause digestive issues for some individuals. As with any supplement, it is advisable to consult a healthcare professional or a registered dietitian before incorporating weight gainers into your diet to ensure they are appropriate for your specific needs and goals.
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Frequently asked questions
Supplements that help with muscle growth include creatine, whey protein, glutamine, beta-alanine, carnitine, and weight gainers.
Creatine is the most studied and widely used supplement for improving exercise performance and increasing muscle strength. It is also considered the most effective performance-enhancing supplement by some experts.
If you are an active individual trying to gain muscle, it is recommended to eat 0.6 to 0.9 grams of protein per pound of body weight, or 1.4 to 2.0 grams per kilogram. For those who are not as active, 0.8 to 1.1 grams per pound of target body weight is sufficient.
Yes, certain supplements like creatine can cause weight gain and bloating due to water retention. Carnitine may cause stomach cramps, nausea, diarrhea, and a fish-like odour. DHEA, a supplement that increases muscle mass, can affect hormone levels and cause testosterone-related side effects in women.
While supplements can support muscle growth, consuming enough protein through your diet is the most essential factor. If you are getting enough protein from your diet, taking a protein supplement is unnecessary.
