L-Theanine with Suntheanine, 150mg - 90 vcaps | Doctor's Best Amino Acids Reishi mushrooms contain beta-glucans and

Reishi mushrooms contain beta-glucans and triterpenoids that have been shown to help improve the function of the immune system

or after menopause

Helps to reduce tiredness and fatigue

Packed with BetaPower and Caffeine to fuel your performance all day

Vitamin C & Zinc is a balanced tri-ascorbate blend developed to provide support for the immune system

L-Theanine with Suntheanine, 150mg - 90 vcaps | Doctor's Best Amino Acids Reishi mushrooms contain beta-glucans andWhat is Doctor's Best L Theanine with Suntheanine? Doctor's Best L Theanine with Suntheanine is a patented form of the amino acid L theanine. L theanine is an amino acid found in green tea that is responsible for the relaxation inducing effect of tea consumption. L Theanine with Suntheanine has been shown to promote an alert state of relaxation. This is characterized by an increase in alpha brain waves (signifying a relaxed, alert state) and a