Sleepy? Vitamin D may help lessen fatigue. Another sign of a vitamin D deficiency is fatigue. This is because vitamin D assists with cellular energy by giving mitochondria a helping hand with oxygen use. Vitamin D also provides energy to numerous body parts, including the muscles. Thus, boosting vitamin D levels in the body through naturopathic practice may improve cellular energy, thereby possibly producing a positive impact on health such as improved energy levels. Contact our naturopathic doctor’s toronto clinic the Dr. Amauri Wellness Centre for more details on how to get started on vitamin D IV supplementation.