Valerian, Valeriana officinalis (China):

Deeply relaxing Valerian essential oil calms the central nervous system, balances the emotions, & nourishes the adrenal glands -- stimulates the thymus, pancreas and sexual organs, calms and balances the endocrine system, the thyroid and pituitary — pulls spiritual energy into the endocrine glands. Valerian has sedative and tranquilizing properties for the central nervous system. It is useful in insomnia and anxiety and has a calming, relaxing, grounding, and emotionally balancing effect. Use small amounts, combined with other oils: Wintergreen for relaxing massage or Spearmint for sleep. A tiny amount can also be added to Eucalyptus, Rosemary, Lavender,  Juniper, Tea Tree, Pine, Patchouli, Oakmoss, Cedarwood, Mandarin, or Petitgrain. 

1/14 oz (2 ml): $13.50; 1/8 oz (3.75 ml): $22.50; 1/6 oz (5 ml): $38.50