Vitamin D plays a big role in maintaining healthy hair follicles, and a deficiency of this vitamin can cause hair follicles to become weak and brittle, leading to hair loss. It is important to note that there are several other factors that can lead to hair loss, including genetics, aging, hormonal imbalances, and certain medical conditions like Nutrient deficiency may also eyelashes falling out vitamin deficiency. Sudden drastic changes in your food intake, which is most common in dieting, may be the reason your eyelashes are falling off. When you’re missing out on Vitamins H, C, E and B6, then it is highly possible that your lashes will become dry and brittle which sooner or later Add foods high in vitamin C to your diet. These foods allow your body to absorb iron in a more efficient manner. Be sure to eat more oranges, strawberries, melons, broccoli, and tomatoes. Wear 1. Dry, itchy or puffy eyes. Vitamin A for example, helps protect eyes, especially if you work on screens a lot, says Gilbert. Lutein and zeaxanthin are substances found in green leafy vegetables, as well as yellow and other green vegetables and egg yolks. These help protect the eyes from UV damage and oxidation, explains Gilbert. Vitamin Deficiencies That Cause Hair Loss. Biotin: Dogs with this vitamin H deficiency have a dull coat, flaky skin, and hair loss. In one study, 60% of the dogs given a high dose of biotin (5 mg/10 kg/day) improved when given this vitamin even though they did not all have biotin deficiency. (1) It is normally present in dog food at about 10 HelpYourBrothers • 3 mo. ago. Well if it actually is from vitamin d deficiency then just take a vitamin d supplement everyday. I take like 5000 iu of vitamin d and 90 mcg of vitamin K2 everyday. But honestly, good chance that isn’t causing your hair loss, but it is possible. The best treatment is finasteride, but you’re a young guy. Iron. As with vitamin D, iron deficiency can cause a variety of different health issues, but one of those could be hair loss. Iron is important for our bodies as it contributes to hemoglobin production which is carried in our Red Blood Cells. Hemoglobin is extremely important in helping to deliver nutrients and oxygen to your hair follicles. 8. Losing Hair. Losing hair can be a sign of vitamin D deficiency because this nutrient is essential for keeping your hair healthy. Without vitamin D, your hair may become thin and brittle, and you may start to lose hair. This can be frustrating and may lead to self-image issues. 9. Wounds Heal Slowly Dry, itchy skin is often a sign of a vitamin D deficiency. As vitamin D is created through skin exposure to the sun and cholesterol in the skin, in the winter months, when sunlight exposure is less, people often experience dry, itchy skin attributing it to the cold weather. However, a vitamin D deficiency might be a more likely cause. Depression or feelings of sadness. Hair loss. Muscle weakness. Loss of appetite. Getting sick more easily. Pale skin. If these symptoms sound familiar, it’s time to see a medical professional. They may do a blood test to check your vitamin D levels to see if they are within normal range. 4Q4P.