This formula blends guama seed, kola nut, suma, bee pollen, ginger, capsicum, astragalus, and 30 mg of L. glutamine. The recommended daily dose of L. glutamine is 1 to 4 grams (1,000 to 4,000 mg). It's the natural source of glutamine and glutamic acid, a brain fuel for improved intelligence. Avoid this warming tonic if you tend to have headaches or rashes.