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.
What is the 1-800 number for Amazon? Below is a list of toll free 800 numbers for Amazon.com. Customer Service: 1-866-216-1072. Phone Menu Transcription: If you call the number above you will get the options below. Thank you for calling Amazon.com customer service, for quality assurance and training services your call maybe monitored or recorded.