"Vitamin D deficiency has been linked to hair thinning and hair loss," she explained. Vitamin D has been known to stimulate hair follicles and can aid in absorbing other nutrients , such as calcium and magnesium, making it an all-around solid supplement choice. Vitamin D may be important for cell proliferation in the hair growth cycle; Vitamin D may reduce inflammation, which may also help keep hair follicles healthy; Vitamin D helps support immune function which can protect the scalp from infection; Vitamin D deficiency may contribute to hair loss in some cases. Talk to your doctor about the right You can develop vitamin D deficiency due to lack of exposure to sunlight or inadequate intake of a vitamin D-rich diet. A deficiency in vitamin D can lead to stunted hair growth, hair loss, and thinning. A 2016 study found that women who complained of hair loss were likelier to have low vitamin D levels. 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. Similarly, inadequate zinc intake affects protein synthesis and cell division, leading to hair thinning and stunted growth. Niacin deficiency, often linked to alcoholism, malabsorption, or certain medications, can also contribute to hair loss. Vitamin D plays a crucial role in regulating the hair growth cycle and maintaining healthy follicles. Research data has shown a correlation between TE and low serum vitamin D levels 24–26 and therefore when evaluating patients with post-COVID-19 hair loss, testing for 25-hydroxyvitamin D levels (to assess for vitamin D deficiency) is indicated. Vitamin D receptors are expressed in hair follicle cells and possess the ability to modulate 3.1 Vitamin D. Vitamin D is a fat-soluble vitamin with a primary role in calcium and phosphorus homeostasis and bone health. Serum levels are primarily maintained through the UVB-mediated conversion of 7-dehydrocholesterol in the skin to cholecalciferol, which is hydroxylated in the liver and kidney to the active form of 1,25-dihydroxyvitamin D. Vitamin D can also be obtained from fortified If you are a menstruating female or your iron levels are low, I recommend taking a daily iron supplement to help reverse your thyroid hair loss. 6. Add in Collagen Protein. Collagen is a protein that is packed with amino acids, including glutamine. This points to a lack of vitamin D definitely having a link with hair loss. However we’re not sure as to the nature of the association (i.e. whether vitamin D deficiency is a direct cause of hair loss), nor whether low vitamin D precedes alopecia or vice versa [ 1 ]. cxV84S.

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