Proathlix L-Glutamine powder (Unflavoured) is one of the finest products from Proathlix manufactured in the NSF-GMP compliance facility with certified quality. With serving size of 5.00g, you get 5.00g l glutamine which is actually a primary energy source for your body. Each serving gives you quick recovery, prevents muscle catabolization, boost your immune system and most importantly enhance your muscle growth & performance. Daily intake of l-glutamine ensures that level of l glutamine in your body remains at healthy level as heavy workout reduces the glutamine level in your body. It also helps to boost your immune system. There is no adverse side effect of this product however one must follow recommended dosage to get the best result. This product is lab tested and 100% genuine. You can check the sticker at the inner seal of the box to check the authenticity of our product.