The (SAD) is lacking in several vital nutritional elements. Being mostly composed of pre-packaged, convenience foods with few naturally grown food items; this diet has led to an epidemic of not only obesity but also intense nutritional deficiency. While many commercially available vitamin and mineral supplements exist, they are made in an artificial manner that reduces bioavailability and promotes chemical contamination. As Americans are unlikely to come back to eating home grown food directly from their backyard, the alternative to the nutritional deficiency of America are available in Whole Food Supplements that are vitamin, mineral and phytonutrient rich goods made from real food concentrates.
In the very first part of the 1900’s most of them ate a healthy, whole food diet since they had no option. All food was grown either from the family or got from instantly local sources. America in the 1900’s was a mostly agrarian society with the majority of people living in rural areas and can grow their giay chung nhan an toan ve sinh thuc pham. During the previous century, a large migration to urban areas has happened. It has meant that even if a person has the desire, most people no longer have the capability to make self grown food. Either because there is absolutely no land or because many do not know how, hardly any individuals have a backyard and even fewer produce protein in the kind of dairy products and animal husbandry.
In spite of this growing migration, during World War II, families were invited to have victory garden. This was not to make sure that they had an excellent diet but actually to make sure that American families could feed themselves at all, while permitting most of commercial food production to be sent to the troops abroad. That was the previous period in history that America got most of their nourishment from locally grown food. Beginning Round the 1950’s, Americans did start to comprehend the value of minerals and vitamins within their diet. This was found because more and more pre-prepared, highly processed food products became available and nutrient deficiencies started to emerge.