I don't follow the same patterns of hair loss as he did mine is just a little thin in the areas I described but I otherwise have a full head of hair. I have another older brother who has no issues whatsoever. I'm wondering if vitamin D deficiency could be causing my thin hair problems? I have slightly darker skin and rarely go outside in the sun. It can also be hard to tell if the drug or your thyroid condition is causing your hair to thin due to hair’s long life cycle. Symptoms of thyroid-related hair loss Hair loss may develop slowly Vitamin C. Vitamin C is a nutrient that helps to maintain and repair the skin, bones, teeth, blood vessels, and connective tissue. Not getting enough vitamin C in your diet can lead to scurvy, which can affect your hair, causing it to split. Foods rich in vitamin c: Oranges and orange juice. Peppers. # 5 – Vitamin D for Hair Loss. Hair loss and rickets are two health issues associated with a lack of vitamin D. It is involved in the health of hair follicles. Research done on mice showed that when certain genes were removed, the mice displayed vitamin D deficiency symptoms. These symptoms included rickets and hair loss. But excessive intake, more than 15 mg, of vitamin E may cause rashes on your skin, lethargy, nausea, and diarrhea in the long run. In fact even taking mega doses of vitamin C can thin your skin over a long period of time. Vitamins like everything else should be used in moderation. A deficiency in this essential vitamin can have many negative consequences, and it has even been linked to hair loss directly and indirectly. The negative impact of a vitamin D deficiency on the body can lead to conditions that cause hair loss as a secondary symptom, and there is evidence to suggest that vitamin D is directly involved in 3 days ago · The researchers found that women with low vitamin D levels were more likely to have diffuse hair loss, a condition characterized by a gradual thinning of the hair. However, the study was limited in that it did not establish a cause-and-effect relationship between vitamin D deficiency and hair loss. Topical anthralin (a medication used for psoriasis) Minoxidil. Injected corticosteroids (directly into the areas with hair loss) Low-level light therapy (LLLT) has also been approved by the U.S. Food and Drug Administration (FDA) as a treatment option and is effective in treating androgenic hair loss. 7l2Bl.