theres a lot that we know about vitamins and minerals and a lot more that we dont know about these nutrients vitamin d is one of the most essential nutrients that our body needs not just for strong bones teeth and muscles but also to regulate and help the body absorb and retain calcium and phosphorus which in turn build healthy bones were all aware that sunlight is the best source of vitamin d which is why it is also called the sunshine vitaminread alsoscientist claims that drinking milk makes you prone to heart disease heres whythe expert warns against excessive dosage of this childfriendly beverage and its relation to heart diseasehowever when it comes to understanding the role of sunlight how it helps the body fulfill its daily requirement for vitamin d and whether or not certain aspects influence how much vitamin d we get from the sun we may not be very sure and informedhaving said that luke coutinho a holistic nutritionist specialising in the field of integrative and lifestyle medicine recently took to instagram to answer a vitamin drelated question that we all at some point in our lives have asked does sunlight through window glass provide vitamin don the instagram post the nutrition expert answers sunlight doesnt actually provide you with vitamin d your body produces vitamin d when skin is exposed to the suns ultraviolet rays which trigger vitamin d synthesis the liver and kidneys convert this biologically inert form of vitamin d into biologically active forms the body can use to promote calcium absorption and bone health immunity hormonal health and much moregetting back to the question coutinho says that one needs direct exposure on the skin to gain all the benefits of vitamin d however she adds by saying if the sun starts to burn your skin its the wrong time and avoid it as that radiation is harmfuldepending on which country you live in early morning sun or sun that isnt burning you is the exposure you need for a minimum 15 mins to an hour for extraordinary benefits he adds the expert recommends getting sunshine for unbelievable benefitshealth benefits of vitamin daccording to britains national health services nhs vitamin d helps control and manage the amount of calcium and phosphate in the body these nutrients are needed to keep bones teeth and muscles healthy explains the health body a lack of vitamin d can lead to bone deformities such as rickets in children and bone pain caused by a condition called osteomalacia in adults the nhs sharesfurthermore vitamin d deficiency can lead to several symptoms including fatigue bone pain mood problems hair loss muscle weakness loss of appetite and getting sick frequently all of which can be prevented by getting your daily requirement of vitamin d