Check your vitamin d3 levels!!! Update 7/6/2026
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5 / 1000+ resultscommunity Iron D3 levels actually matter more else dht blockers wont work(yes they can keep follicle alive)
Taking finasteride alone did not stop hair loss, but adding vitamin D3 and iron supplements improved hair coverage and quality. It's important to check and address deficiencies, but caution is advised with iron supplementation without medical guidance.
community PSA: Check your vitamin D levels!
Low vitamin D levels can negatively impact hair growth, and supplementing with vitamin D, along with treatments like finasteride and minoxidil, may help improve hair health. Quitting smoking and ensuring adequate vitamin B12 and K2 intake are also suggested to support hair regrowth.
community Recently took a hair screening blood test to check my vitals, got report and summarised it in gpt
The conversation discusses hair loss treatments, specifically using Minoxidil, finasteride, and RU58841. It also mentions the importance of raising vitamin D3 levels.
community PSA: Get your Vitamin D levels checked!
A user improved their hair health by taking 50,000 IU of vitamin D3 weekly due to a deficiency. Others discussed the potential link between vitamin D and hair growth, with some sharing similar experiences and emphasizing the importance of monitoring vitamin D levels and consulting with doctors.
community My estrogen levels are obscene
A 30-year-old male using finasteride for hair loss has high testosterone and estrogen levels but no side effects. He is advised to monitor hormone levels, consider dietary changes, and use additional treatments like vitamin D3, minoxidil, and dutasteride for hair growth.
Related Research
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research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Increased 25(OH)D3 level in redheaded people: Could redheadedness be an adaptation to temperate climate?
Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
research Serum vitamin D3 level in patients with female pattern hair loss
Women with female pattern hair loss have lower Vitamin D3 levels.
research Serum ferritin and vitamin D levels should be evaluated in patients with diffuse hair loss prior to treatment
Check and treat low iron and vitamin D levels in people with hair loss.
research The impact of exogenous vitamin D on thyroid autoimmunity in euthyroid men with autoimmune thyroiditis and early-onset androgenic alopecia
Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
research Differential activity of 2-methylene-19-nor vitamin D analogs on growth factor gene expression in rhino mouse skin and comparison to all-trans retinoic acid
Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.