Nitrogen transporter Glutamine is considered a conditionally essential amino acid, which means that the body may need more glutamine than it can produce. In the body, glutamine functions as an important nitrogen transporter and is crucial for maintaining a healthy nitrogen balance. This double strength product has twice the amount of L-Glutamine (1,000 mg per capsule) compared to our regular strength product (500 mg per capsule). This product may have natural color variations. Contains L-glutamine, capsule: Hydroxypropylmethylcellulose, filler: hydroxypropyl cellulose, separating agent: fatty acids, emulsifier: magnesium salts of fatty acids, separating agent: silicon dioxide. It is recommended to take up to three (3) capsules per day. Food supplements should not be used as a substitute for a balanced and varied diet. Store out of reach of children. Do not exceed the recommended daily intake. If you have a bad reaction to the product, stop using it immediately. Consult your doctor if you want to use food supplements and are being treated for an illness, or if you are pregnant or breastfeeding.