Very few foods naturally have vitamin D. Fortified foods provide most of the vitamin D in American diets. 1  Fatty fish such as salmon, tuna, and mackerel are among the best sources.  Beef liver, cheese, and egg yolks provide small amounts.
Note: To contact a Seller requesting an invoice for an item Fulfilled by Amazon: 1  Go to Your Orders. 2  Click on the Seller's name, located below the item title. 3  Click on Contact Seller in More Information. 4  Fill out the information request form.
Amazon Contact Number. Speak directly with the amazon uk customer service team about your amazon order or your amazon shopping list enquiries by phoning at amazon contact number uk. Call amazonâs freephone number 0800 496 1081 to contact amazon customer care team.