One of the most vital herbs in Ayurvedic healing, with antibiotic, anti-bacterial and rejuvenating properties, ashwagandha strengthens immunity and is extremely nourishing for dry skin, promoting firmness and elasticity. Ashwagandha also combats the effects of stress, improves learning, memory, and reaction time, reduces anxiety and depression without causing drowsiness, reduces brain-cell degeneration, and lowers cholesterol.