Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D₂) and cholecalciferol (vitamin D₃).
维生素D
Example sentencesExamples
Rickets and the resulting bowlegs are almost always corrected by adding vitamin D and calcium to the diet.
In four of the five trials, participants taking vitamin D also took calcium.
The role of vitamin D in calcium absorption and metabolism for bone health is well known.
This is because the amount of vitamin D contained in human milk is not sufficient to prevent rickets.
Calcium and vitamin D are good general bone strengtheners.
Now it seems that commonly prescribed vitamin D and calcium supplements to reduce the risk of osteoporosis may have no effect.
Common sources of vitamin D in foods include fortified cereals, margarine and oily fish.
The findings are the first to demonstrate a link between vitamin D and prevention of prostate cancer.
Sunscreen prevented sunlight from generating vitamin D in the skin, risking serious deficiencies in the long run.
Foods high in vitamin D include fortified dairy products, eggs and fortified cereal.
Ultraviolet light increases the production of vitamin D - a nutrient that is known to offer protection against cancer.
Rickets is a bone-softening disease caused by a lack of vitamin D or calcium.
Calcium and vitamin D, for instance, have been found to be a sound way to guard against osteoporosis.
Good sources of vitamin D are fish liver oil, egg yolk, milk and sunshine.
Recent laboratory experiments suggest that vitamin D can also prevent the growth and spread of cancerous tumours.
They are also a rare source of vitamin D, vital for the absorption of bone-building calcium.
Various independent studies have suggested that vitamin D can treat or prevent cancer.
While oily fish is a good source of vitamin D, most of our needs for this nutrient are met by exposing our skin to sunlight.
It's important for people with limited sun exposure to include good sources of vitamin D in their diets.
Most fortified soy milks have about as much calcium, vitamin A, and vitamin D as cow's milk.
Definition of vitamin D in US English:
vitamin D
noun
Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D₂) and cholecalciferol (vitamin D₃).
维生素D
Example sentencesExamples
Calcium and vitamin D are good general bone strengtheners.
While oily fish is a good source of vitamin D, most of our needs for this nutrient are met by exposing our skin to sunlight.
Rickets is a bone-softening disease caused by a lack of vitamin D or calcium.
The findings are the first to demonstrate a link between vitamin D and prevention of prostate cancer.
In four of the five trials, participants taking vitamin D also took calcium.
Foods high in vitamin D include fortified dairy products, eggs and fortified cereal.
Recent laboratory experiments suggest that vitamin D can also prevent the growth and spread of cancerous tumours.
It's important for people with limited sun exposure to include good sources of vitamin D in their diets.
The role of vitamin D in calcium absorption and metabolism for bone health is well known.
Calcium and vitamin D, for instance, have been found to be a sound way to guard against osteoporosis.
They are also a rare source of vitamin D, vital for the absorption of bone-building calcium.
Now it seems that commonly prescribed vitamin D and calcium supplements to reduce the risk of osteoporosis may have no effect.
Sunscreen prevented sunlight from generating vitamin D in the skin, risking serious deficiencies in the long run.
Most fortified soy milks have about as much calcium, vitamin A, and vitamin D as cow's milk.
Rickets and the resulting bowlegs are almost always corrected by adding vitamin D and calcium to the diet.
Various independent studies have suggested that vitamin D can treat or prevent cancer.
This is because the amount of vitamin D contained in human milk is not sufficient to prevent rickets.
Common sources of vitamin D in foods include fortified cereals, margarine and oily fish.
Good sources of vitamin D are fish liver oil, egg yolk, milk and sunshine.
Ultraviolet light increases the production of vitamin D - a nutrient that is known to offer protection against cancer.