Promoting a sip of self-care, DIRTEAs Reishi Powder – The Calm Mushroom is a daily food supplement that encourages a moment of relaxation as you take the time to unwind. With 2000mg of reishi per serving, the 100% organic drink is an ideal addition to any wellness routine. n Supported by vitamin B12, the formula contributes to the normal function of the immune system and to the reduction of tiredness and fatigue. Simply add half a teaspoon to your coffee, tea or smoothie for the nutrient-rich benefits of reishi and vitamin B12.