Yin Reserve is a formulation combining active ingredients such as inositol, L-Theanine and magnesium. The high concentration and quality of these ingredients make Yin Reserve an excellent supplement to promote parasympathetic functions of the nervous system. A powerful anxiolytic and relaxing effect is felt from the first uses. A post-training measure to decrease cortisol and activate an active and rapid recovery and or a measure in the evening for a deep and recovering sleep. Yin Reserve was designed to address the biggest modern problem, stress and under-recovery.