Everyone loses hair, up to about a hundred strands a day, but hair loss can be increased if your hair becomes dry or brittle or stops growing back. When vitamins upset your stomach or you burp them up all day or they turn your pee day-glow yellow, those are usually side effects of 'synthetic' vitamins (source) Whole food vitamins will not upset your stomach, and you will not burp them up - because they are food, not chemicals (source) Food based vitamins don't smell or taste like normal vitamins and will change your whole opinion of vitamins.
Since vitamins C and E play such important roles in protecting your skin from the sun, deficiencies in either vitamin can increase the risk of skin damage, including skin cancer According to the Centers for Disease Control and Prevention, skin cancer is the most common type of cancer in the United States.
The two most vital forms are D2 and D3. While the best food sources of vitamin D are cod liver and fish liver oils, butter, egg yolk, liver, vitamin D-fortified milk, and oily fish such as herring, mackerel, sardines, and salmon, your body can also manufacture vitamin D in the skin when it comes in contact with the sun's ultraviolet rays.
Over-the-counter vitamin supplements which can be taken daily can ensure that an individual gets the adequate amount of vitamin A, Biotin, Folic Acid, vitamin C, vitamin D, vitamin E, vitamin K, calcium, Chromium, Copper, Iodine, Iron, Magnesium, Manganese, Phosphorous, Selenium, and Zinc.
The reason that the set of vitamins skips directly from E to K is that the vitamins corresponding to letters F-J were either reclassified over time, discarded as false leads, or renamed because of their relationship to vitamin B, which became a complex of vitamins.