Vitamin D contributes to normal functioning of the immune system and the maintenance of normal teeth and bones for optimum bones and joint health. As it can help to support normal muscle functioning and plays a role in how well our bodies absorb calcium, vitamin D is essential to overall wellbeing. So, what are the symptoms of a vitamin D deficiency? Fatigue, hair loss, back and muscle pain, and even depression can be symptoms of a lack of vitamin D3. More than one billion people worldwide are estimated to be deficient in vitamin D3. The UK government recommends a vitamin D3 supplement for several key groups of people, including: Pregnant and breastfeeding mothers. Young children from six months to five years old. People over 65 years of age. Those with low or no exposure to the sun. Vitamin D3 supplements from Pharma Nord are dissolved in cold-pressed olive oil and encapsulated in small, easy-to-swallow “pearls” of soft gelatin. They’re ideal for taking every day and vitamin D3