All about Vitamin D
                     ALL ABOUT VITAMIN D
INTRODUCTION
• Vitamin D is a fat-solvent nutrient that is normally present in 
not many nourishments, and accessible as a dietary 
enhancement.
• Vitamin D can be obtained from sun exposure, food, and 
biological supplements.
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ROLES OF VITAMIN D IN HUMAN 
BODY
• Vitamin D advances calcium assimilation in the gut and keeps 
up sufficient serum calcium and phosphate to empower 
mineralization of bone.
• It helps in the growth of bone and bone remodelling.
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ROLES OF VITAMIN D IN HUMAN 
BODY
• Vitamin D sufficiency prevents rickets in children and 
osteomalacia in adults.
• It also helps in modulation of cell growth, neuromuscular, 
immune function, and reduction of inflammation
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SOURCES OF VITAMIN D
• Food
– The flesh of fatty fish and fish liver oils are among the best 
sources of Vitamin D.
– Modest quantities of Vitamin D are found in beef liver, 
cheddar, and egg yolks.
– Some mushrooms provide vitamin D.
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SOURCES OF VITAMIN D
• Sun exposure
– Ultraviolet (UV) B radiation with a wavelength of 290–320 
nanometers penetrates uncovered skin, which in turn 
becomes vitamin D.
• Dietary supplements
– Vitamin D is available in two forms, D2 (ergocalciferol) and 
D3 (cholecalciferol) 
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BENEFITS
• Healthy bones and teeth
• Supporting immune, brain, and nervous system health
• Regulate insulin levels 
• Support lung function and cardiovascular health
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RESULT OF DEFICIENCY IN VITAMIN 
D
• Skin type
– Darker skin
– Reduce the body’s ability to absorb the ultraviolet 
radiation B (UVB) 
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SYMPTOMS
OF DEFICIENCY IN VITAMIN D
• Regular sickness or infection
• Fatigue
• Bone and back pain
• Low mood
• Impaired wound healing
• Hair loss
• Muscle pain Image source: Google image
LONGTERM RISKS
• Cardiovascular conditions
• Autoimmune problems
• Neurological diseases
• Infections
• Pregnancy complications
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• Certain cancers, especially breast, prostate, and colon.
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