Vitamin C megadosage with and published two articles discussing the possible relationship between lipoprotein and vitamin C with Pauling. He is an active proponent and publicist for high-dose vitamin C. Pauling's and Rath's extended theory states that deaths from scurvy in humans during the ice age, when vitamin C was scarce, selected for individuals who could repair arteries with a layer of cholesterol provided by lipoprotein(a), a lipoprotein found in vitamin C-deficient species. Stone and Pauling believed that the optimum daily requirement of vitamin C is around 2,300 milligrams for a human requiring 2,500 kcal a day. For comparison, the FDA's recommended daily
The Vitamin Shoppe sold in the U.S. and Canada. This multivitamin passed ConsumerLab's test, which included testing of selected index elements, their ability to disintegrate in solution per United States Pharmacopeia guidelines, lead contamination threshold set in California Proposition 65, and meeting U.S. Food and Drug Administration (FDA) labeling requirements. The Vitamin Shoppe The Vitamin Shoppe (formerly Vitamin Shoppe Industries, Inc., stylized as theVitaminShoppe) is an American, New Jersey-based retailer of nutritional supplements. It also operated three stores in Canada under the name VitaPath from January 2013 until March 2016. The company provides approximately 7,000 different SKUs of supplements through its retail stores