Top 10 Best L-Glutamine Supplements Reviewed in 2020

Transparent Labs BCAA Glutamine

Designed to be a supplement aiding in recovery and repair, Transparent Labs BCAA Glutamine improves your immune function, reduces damage to muscle from exercise, and increases muscle growth post-workout.

All of its active ingredients are supported with clinical research and include a clinically effective dosage that is backed by scientific research.

Containing no harmful additives, unnecessary filler, or colored dyes, this formula is a great way to stimulate protein synthesis and improve glucose metabolism.

With each 14-gram service, you get five active ingredients that were created to reduce fatigue, increase the loss of fat, and increase the glucose uptake in your muscles.

It also will enhance your overall performance when paired with exercise.

This formula features 100% transparency as well as a potent recovery matrix that is most effective for women and men interested in getting the most out of their workout routine.

BulkSupplements L-Glutamine

The BulkSupplements brand is known for quality products. This includes their Pure L-glutamine powder that contains 100% pure L-glutamine and no other ingredients.

In this bottle, you will get 500 servings that should last you between two and three months. Plus, each 1,000 mg serving costs only four cents which is a great value.

This simple and no-nonsense product gives you all the benefits you want without fluff. It is perfect for those that want an amino acid that will give you a boost of energy for athletic endurance.

This dietary supplement can be taken up to three times a day as directed by your doctor, and it is best if taken right after exercising.

BulkSupplements L-Glutamine not only gives you more energy, but it helps with muscle recovery and to support immune function.

It is lab-tested for quality and purity and may also be beneficial to your gastrointestinal health and helps to boost your immune system. This is a great product for endurance and strength training, CrossFit athletes, and bodybuilders. 

Naked L-Glutamine

Quick to dissolve and absorb, Naked Glutamine is one of the highest grades of L-Glutamine available. This common amino acid can be depleted from your muscles during intense workouts.

This supplement will help to improve your protein metabolism and as well as lessen muscle breakdown. 

In Naked L-Glutamine, you only get the one ingredient that is made from naturally fermented plant sources. It includes no colors, flavors, or artificial sweeteners, plus it is gluten and soy free as well as Non-GMO and vegan.

This product is a great value for the price and comes from a brand that strives to help you exceed your fitness and nutritional goals. 

Body Fortress Glutamine Powder

One of the best recovery fuels on the market, Body Fortress Glutamine Powder helps you replenish this essential amino acid so you can maintain those intense workouts. 

Each serving contains 4,500 mg of Glutamine that can be used before or after a workout. It contains no preservatives, flavors, artificial colors, aspartame and is also sugar, milk, wheat, years, and gluten-free.

Body Fortress also helps you to promote lactic acid buffer protection and maintain high levels of glutamine to help with recovery. Not only is it a great price, but it will also soothe your stomach. 

This is a great product for anyone who wants their body to perform at its peak while maximizing your performance to reach the next level. 

Cellucor Glutamine Powder

Complimenting a wide range of products, Cellucor Glutamine Powder is a good product for optimizing muscle recovery. It includes Alpha Amino and C4 to give you additional support for your workouts.

With 50 servings in each container, the 5 grams of L-Glutamine contains premium ingredients that were carefully blended to promote endurance and energy so you can achieve your fitness goals.

Cellucor is available in several flavors that help to fuel your hydration and optimize your performance. One of the most effective glutamine supplements on the market, Cellucor is a high-quality product that will get you through your fitness journey. 

NOW Foods L-Glutamine

Thought to be an essential amino acid, NOW Foods L-Glutamine is a great product when used with an exercise program. Your body often uses more glutamine than your body is able to produce.

Functioning as an important nitrogen transporter, it is important that your body maintains a healthy balance of nitrogen.

The NOW Foods product not only increases your muscle mass, but it can be used to treat a stomach ulcer as well.

L-Glutamine is also useful in acting as the primary fuel for those fast-growing GI tract and immune system cells of the immune system and GI tract.

Nutricost L-Glutamine Powder

Nutricost L-Glutamine Powder is a pure and clean powder that benefits those that train hard.

A recent focus of the health and fitness community, this product can quickly replace the most plentiful amino acid in your muscle tissue.

Easily diluting in water, Nutricost comes in a 1.1-pound container that includes 100 servings at 5000 mg of glutamine in each serving.

This is a great product for aiding quickly growing cells and maintaining a positive balance of nitrogen. 

MuscleTech Glutamine Powder

With five grams of glutamine in each serving, MuscleTech Glutamine Powder helps to quickly replenish glutamine that is used up when you are working out.

Glutamine is an especially high amino acid in your muscle, so it is vital that you have enough circulating in your body to maintain the metabolism in your muscles.

MuscleTech is odorless and flavorless mixing easily with protein powders, pre-workout powders, BCAAs, and creatine. This is a great product for those that train hard and need to quickly replace their glutamine stores. 

Optimum Nutrition L-Glutamine

Eliminating sugar cravings, Optimum Nutrition L-Glutamine helps to lessen muscle soreness and increase muscle tissue.

With each teaspoon, you get five grams of pure glutamine. Produced in a powder mixture, it easily dissolves and in unflavored so it is great to “stack” with a protein shake. 

Perfect for vegetarians, Optimum Nutrition's Glutamine Powder is also approved by Over-the-Counter pharmaceuticals.

Every vendor that Optimum Nutrition works with provides a Certificate of Analysis for every supplied material. This is a great product for increasing muscle tissue as well as healing your stomach. 

KAGED MUSCLE L-Glutamine

Designed for the health-conscious person who takes gaining muscle mass seriously, KAGED MUSCLE Glutamine is made from raw plant materials and is a great way to support recovery.

Since glutamine is the most common amino acid in your body, it is vital to make sure you have enough to promote muscle growth.

As your body becomes depleted of glutamine after a hard training session, it is unable to build muscle, so it can become overtrained which is why glutamine is so important to increase muscle growth and lessen muscle breakdown.

Made of fermented plant materials, KAGED MUSCLE L-Glutamine does not use human hair or bird feathers. This vegan-friendly product uses premium-quality materials and does not include toxins, impurities, or heavy metals, plus it is gluten-free and kosher.

Including 100% ingredient transparency, this product will tell you exactly what you are ingesting. Not only is it great for replacing muscle, but it.