Vitamin D is a unique nutrient which is essential for a number of bodily functions. Vitamin D is required for maintaining strong bones, muscles and teeth, cell growth control, proper immune functioning, neuromuscular functioning, and our overall health. Vitamin D deficiency can lead to a condition called rickets in which bones fail to develop and function properly.
UV rays are the best natural source of Vitamin D. Our body ideally takes vitamin D in the form of sun synthesis through the skin. But constant exposure to the sun for a long time can increase the risk of developing skin cancer. Thus a balanced approach to sunlight needs to be maintained which can help you to avoid vitamin D deficiency.
The RDA of Vitamin D is:
Vitamin D Foods:
Below mentioned are the different sources of Vitamin D.
Sunshine is the best natural source of vitamin D. A regular dose of sunshine can increase your vitamin D intake greatly. When the sun rays hit our skin, it stimulates the production of vitamin D in the body. Around 30 to 60 minutes of walking in sun will provide you with adequate vitamin D required for the day. To boost your vitamin D levels when in the sun, expose at least your face, arms and hands, or equivalent area of skin as for vitamin D to be produced, your skin must not be covered with clothing.
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Another way to incorporate vitamin D in your diet is by consuming Vitamin D supplements. There are 2 forms of Vitamin D supplements. One is Vitamin D2 also called ergocalciferol which is synthesized from plants and yeast. This type of Vitamin D supplement is the most extensively used. The other form of Vitamin D supplement is known as Vitamin D3, its scientific term being cholecalciferol. This is the most active form of vitamin D. Since both Vitamin D2 and Vitamin D3 are not active in the body; they need to be metabolized into an active form in the body called as Calciterol.
You can also boost the Vitamin D content in the mushroom by exposing raw mushrooms to UV light. You can also slice the mushroom to absorb more UV rays which will translate more Vitamin D in your food.
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Mackerel have high amounts of omega 3 fatty acid and just 3 1/2 ounce of mackerel supplies us with 90% of IrDA of Vitamin D. Thus people who consume more of these omega 3 fatty acid rich fish infuse their body with essential minerals and vitamins which a human body cannot produce on its own.
The firm white meat and sweet flavor of halibut has made it a favorite among the fish lovers. This flat fish is a nutritionally dense food and contains important minerals and vitamins like phosphorus, selenium, Vitamin B12, B6 and omega 3 fatty acids. Halibut is also one of the best sources of Vitamin D and 100 grams of halibut fish contains 1097 IU of the sunshine vitamin.
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Herrin contain significant amount of Vitamin D as they feed on plankton which is full of Vitamin D. These shiny gray fishes are consumed pickled, smoked or creamed. Herring provides us with healthy fats and other important nutrients in the body which makes it a wise addition to the diet. It is an excellent source of protein which promotes muscle development and contains high amounts of Vitamin B12, selenium, phosphorus, calcium and iron.
8. Cod liver oil:
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Caviar is a common ingredient used in sushi and provides 232 IU of Vitamin D per 100 gram serving. This is a high priced, grainy textured fish which has a luscious taste and is a wonderful appetizer. This lush fish is a storehouse of nutrients and contains minerals like selenium, iron, magnesium, calcium and phosphorus. It also contains essential vitamins like Vitamin A, Vitamin K, Vitamin B6, folates, riboflavin and pantothenic acid.
Sardines are becoming more and more popular with their amazing health benefits and are one of the best sources of Vitamin D. Just a small amount of sardines will fullfil 70% of your recommended dietary allowance of Vitamin D. This fish offers 270 IU of Vitamin D per 100 grams. These small fishes are also a great source of Vitamin B12, omega 3 fatty acids, protein and selenium. The high omega 3 acid content contributes to bone health, lowers cholesterol and reduces inflammation.
Catfish, like herring breed, feed constantly on plankton and always take in miniscule sea life that creates vitamin D from sunlight. Low in calories, they contain vitamins, protein and good fats. Just one filet provides with 200% of recommended daily value. 159 gram of catfish provides with 795 UI of Vitamin D.
3 Ounces of Tuna provides 50% of Vitamin D that our body needs. Fresh and wild caught tuna is the most nutritious. Moreover, eating oily fish that lubricates the body also provides other health benefits like better memory and proper brain function. Light tuna has the maximum amount of Vitamin D and even has less mercury level than white tuna.
13. Sole/ Flounder fish:
Sole and flounder are flat fish that contain 1/4th of the daily required amount of Vitamin D. Pacific flounder and sole fishes are best for consumption.
14. Beef liver:
Beef liver is a good source of Vitamin D and 3 ounces of beef liver contains 42 IU of Vitamin D and around 1/4th of the daily Vitamin D requirement. Beef is also a good source of Vitamin B12, iron and protein. Grass fed beef is best for consumption as they contain a good amount of all essential nutrients. Other nutritional benefits that it provides include protein and thiamin.
15. Ricotta cheese:
16. Carp Fish:
Carp fish is also a good source of Vitamin D and 100 grams of this fish contains 988 IU of vitamin D. Apart from Vitamin D, this fish also contains vitamin A, D, E and K, niacin, riboflavin and minerals zinc, like copper, magnesium, sodium and so on.
Eggs contain vitamin D in small amounts. Including one egg daily in your diet will provide you with 10% of recommended Vitamin D. Pasture raised hens spend a lot of time outdoors thus containing the highest amount of Vitamin D than any other eggs in the market. Besides Vitamin D, eggs are also a good source of Vitamin B12 and protein.
Salami provides 62 IU of Vitamin D per 100 grams while sausages provide 55 IU of Vitamin D per 100 grams. Though salami, ham and sausages are good sources of Vitamin D, they are found to raise the level of cholesterol and contain high levels of sodium. Excess of salami and ham can increase the risk of stroke, hypertension and heart attack.
Some forms of cereals are also equipped with Vitamin D. Before buying cereals, check the nutritional value behind the cereal box to get the information about the level of Vitamin D content. Choose the ones which contain at least 100 IU of Vitamin D. All bran cereal provides 131 IU of Vitamin D, while fruit flavored cereals provides us with 11 IU of Vitamin D.
Oysters are a great source of Vitamin D. Raw, wild caught oysters contains 320 IU of Vitamin D per 100 grams – that is a whopping 80% of our daily requirement. In addition, oysters are also a good source of Vitamin B12, zinc, iron, manganese, selenium and copper. It is observed that the nutritional value is much higher, if oysters are eaten raw. They are also high in cholesterol and should be consumed in moderation. Care should be taken by people who suffer from cardiovascular ailments. However, one should prefer to properly cook oysters before eating, so as to destroy the harmful bacteria present in raw oysters.
22. Orange Juice:
A glass of fresh orange juice is the best way to start the day. But you can also consider packaged juices if you fall short of oranges. Packed Orange juice is equipped with good amounts of Vitamin D. One cup of orange juice contains 100 IU Vitamin D and 120 calories.
23. Soy products:
Every 79 grams serving of Tofu offers 581 IU of Vitamin D. One cup of plain light soya milk provides 338 IU of Vitamin D while soy milk fortified with calcium, Vitamin A and D provides 297 to 313 IU. You can also try soy yoghurt as it offers 161 IU of Vitamin D.
Every 85 grams serving of shrimp contains 139 IU of Vitamin D. It comprises moderate amounts of omega 3, protein and less amounts of fat. You can indulge in this sea food without worrying about your weight. Shrimp is a good source of antioxidant mineral, selenium.
Margarine spreads are fortified with Vitamin D which makes it a delicious food product. Being a good source of Vitamin D, it is a healthier option to normal butter as it contains 65% less saturated fats than butter. Margarines also contain moderate amounts of omega 3 fatty acids and monounsaturated acids which makes it a good option for breakfast.