Psychologically, black spruce has been used for anxiety, debility, stress, tension and extreme exhaustion. On the physiological level black spruce has been used as an expectorant and a respiratory antiseptic; for muscle aches & pains, poor circulation, muscular rheumatism, arthritis, aching joints and solar plexus spasms and depressed immune systems. Black spruce can be used to clear and cleanse. It can help to ground intuition so that it is clear and practical. It can infuse intuition with compassion. It also can promote communication of inner feelings. It may help in bringing objectivity and clarity to the intuitive mind and help develop intuition.
Contraindications: Generally considered non-toxic, non-irritating and non-sensitizing.
Beverley Hawkins, Aromatherapy 301 Course 2000, 2001,2005, 2008