Vitamin A: is required by the body for new cell growth, healthy skin, hair, and tissues, and vision in dim light. It is found in dark green and yellow vegetables and yellow fruits, such as broccoli, spinach, carrots, apricots, and in animal sources such as liver, milk, butter, cheese, and whole eggs.
Vitamin B1: (often identified as thiamin) is used by the body for energy metabolism and the proper function of the nervous system. Sources of B1 are found in whole grains, soy-beans, peas, liver, kidney, lean cuts of pork, legumes, nuts and seeds.
Vitamin D: promotes absorption and use of calcium and phosphate for healthy teeth and bones. The skin can synthesize vitamin D if exposed to enough sunlight on a regular basis, however it is found in most dairy products whole eggs, liver and salmon.
Niacin: is required for energy metabolism (similar to that of vitamin B1), proper digestion, and healthy nervous system. Sources of niacin are found in in lean meats, poultry, liver, milk, canned salmon and leafy green vegetables.