Black spruce oil was often used by the Lakota Native Americans to heal wounds and relax muscles. It also provides endocrine system support and relaxes the mind and body. Try this powerful healing oil today! Botanical Name: Picea Mariana Benefits of Black Spruce Essential Oil Relieves Back Pain Helps Arthritic Pains Treats Respiratory Conditions Calms And Relaxes Antibacterial Anti-Inflammatory Antiviral Reduces Skin Outbreaks