Weston Price called these fat-soluble vitamins the Activators. They are the catalysts for mineral absorption.
In fact, he considered the lack of these vitamins the greatest break down in the modern diet. To quote him,
“It is possible to starve for minerals that are abundant in foods eaten because they cannot be utilized without an adequate quantity of the fat soluble activators. “
In other words, no amount of mineral supplements taken will help you without adequate amounts of vitamins A and D present.
Vitamins A and D have a synergistic relationship; the presence of Vit. D prevents Vitamin A from becoming toxic, even in high doses. These vitamins work together and are usually found in the same foods. These include, shellfish and oily fish, including fish eggs, heads and fat. From grass pasturized animals, butter, milk, organ meats and eggs.These foods help to strengthen our bones, our muscles, they give us healthy skin, they strengthen our immune system and our nervous system. They even promote longevity.
The fat soluble vitamins are foundational to our health!