People get vitamin D through food and by exposure to sunlight. For most adults, vitamin D deficiency isn't a concern. Some, especially those with dark skin and adults older than 65, are at higher risk of the condition. Most people have no symptoms. In severe cases, deficiency can lead to thin, brittle or misshapen bones. Vitamin D supplementation is the main treatment.
Vitamin D has multiple roles in the body, helping to:
Maintain the health of bones and teeth.
Support the health of the immune system, brain, and nervous system.
Regulate insulin levels and aid diabetes management.
Some symptoms of a deficit in vitamin D include: thinning or brittle bones, osteoporosis, or frequent bone fractures. muscle weakness, particularly if there is an unexplained change in muscle strength. changes in mood, with people who have low vitamin D experiencing anxiety or depression.
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Uses. Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
Vitamin D drops (or other supplements) are given to breast-fed infants because breast milk usually has low levels of vitamin D.
Vitamin D can be produced when sunlight hits the bird's skin. Deficiency leads to rickets. Birds produce thin shelled eggs with reduced hatchability, show leg weakness and penguin like sitting posture. The beak, claws and ribs become very pliable.
This fat soluble vitamin is essential for the utilization of calcium and phosphorus in bone development and egg shell formation. The deficiency can lead to retarded growth, thin shelled eggs, leg weakness, curved legs, rickets and lowered egg production.