Four Sigmatic offers Organic Mushroom Complex Capsules. 

These dietary supplements are intended to provide the cognitive benefits of functional mushrooms, without fillers, grains, or mycelium. It is available in three varieties: Focus is crafted with lion’s main extract, L-theanine, and vitamin B12, and intended to promote concentration, productivity, and sustained mental energy. Calm is blended with reishi extract, ashwagandha, and vitamin B6, to ease stress. Memory features cordyceps extract, gotu kola, and folate to enhance memory and support cognitive function and mental stamina. All varieties are plant-based and caffeine-, dairy-, and gluten-free.