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.
Find the right Amazon solution for your business Simplify Fulfillment Advertise on Amazon Offer Services Payment Solutions Please note: All new Selling on Amazon subscriptions include access to sell on Amazon.com, Amazon.ca, and Amazon.com.mx. Fees, available product categories, and selling requirements may vary between the three marketplaces. Â¹ ComScore Plan Metrix Key Measure Report [PC only, Home and Work audiences], July 2014