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Vitamin D, in the form of both D-2 and D-3, is found naturally in some foods. The best natural food sources of vitamin D are oily fish, including mackerel, halibut, salmon, tuna and rainbow trout.
Cod liver oil is an excellent source, providing 1,360 international units of vitamin D in …
Read more via LIVESTRONG.COM https://ift.tt/34gpTkG
Cod liver oil is an excellent source, providing 1,360 international units of vitamin D in …
Read more via LIVESTRONG.COM https://ift.tt/34gpTkG
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