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Vitamin made in the skin from sunlight, also taken as a supplement
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8 / 26 results- Is an itchy scalp linked to vitamin C? There is no evidence that an itchy scalp signals vitamin C deficiency, or that vitamin C treats patchy hair loss (alopecia areata). Patchy hair loss needs a doctor's diagnosis.
- Can a vitamin B5-rich hair mask rescue your strands when no shampoo seems to work? Panthenol (vitamin B5) in hair masks acts as a moisturiser and can make hair feel softer and less brittle. No controlled trial shows that it treats hair loss or affects hair growth.
- Vitamin B7: is it the ultimate secret to healthy hair or just a myth? A 2017 review found that every published case of biotin helping hair was in a person with a deficiency or another underlying condition, and no good evidence that it helps healthy people. The FDA warns that biotin can make some blood tests give wrong results.
- Can low vitamin B1 or B2 cause thinning hair? There is no verified human trial showing that B1 or B2 deficiency causes thinning hair or that correcting it regrows hair; a 2019 review concludes the role of micronutrients in hair loss is real but unclear and still needs controlled trials.
- Can too much vitamin A cause hair loss? Sustained vitamin A intake above the tolerable upper limit (3,000 mcg/day of retinol for adults) is linked in case reports to diffuse hair shedding; the claim that it amplifies DHT-driven hair loss has no published human evidence behind it.
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Research
5 / 1000+ resultsresearch Clinical Management of Vitamin A Responsive Dermatosis in a Labrador Retriever Dog
This study presented a case of a Labrador Retriever with recurrent skin lesions and confirmed vitamin A-responsive dermatosis after successful treatment with vitamin A therapy, highlighting the importance of considering vitamin A deficiency in primary keratinization disorders.
research Mange in Rabbits: An Ectoparasitic Disease with a Zoonotic Potential
This review discusses the nature, diagnosis, and control of mange in rabbits, focusing on its zoonotic implications and currently available treatment strategies, and reports no clinical results.
research Alopecia in Belgian Blue crossbred calves: a case series
This study concluded that moderate to severe alopecia in Belgian Blue crossbred calves was due to malabsorption of dietary fat caused by a mixing error of milk replacer.
research Fleece traits and important physical properties of hair fibers in lori goats.
Adding bentonite clays to goat diets increased milk yield, periwinkle shell improved chicken egg production, and vaccination increased muscle area and carcass yield in calves.
research Vitamin D and Human Health: Lessons from Vitamin D Receptor Null Mice
This research highlights that engineered mice lacking the vitamin D receptor show multiple health issues similar to human vitamin D deficiency, underscoring the widespread impacts of the vitamin D endocrine system.
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5 / 1000+ resultscommunity Check your vitamin d3 levels!!!
Vitamin D3 deficiency and gut health, particularly H. pylori overgrowth, can impact hair growth and overall health. Treatments like Minoxidil and finasteride may be ineffective if these issues are not addressed.
community Vitamin D deficiency and hair loss - does anyone have personal evidence of hair regrowth following correction?
Vitamin D deficiency may contribute to hair loss, but correcting it alone doesn't guarantee regrowth. Users report mixed results with supplements and treatments like minoxidil, finasteride, and dutasteride.
community Vitamin E and K deficiency (F,25)
Vitamin E and K deficiencies due to exocrine pancreatic insufficiency may affect hair growth. A scalp biopsy is recommended to check for autoimmune-related hair loss.
community Rare case: AGA recovery with vitamin D alone (case study)
Vitamin D deficiency can hinder hair recovery, and addressing it may help with hair loss. Hair loss may result from various issues like excess DHT, vitamin deficiency, or scalp inflammation.
community Vitamin D slight temple regrowth
Vitamin D supplementation may have led to slight hair regrowth and density improvement. Other treatments discussed include finasteride, minoxidil, and maintaining optimal vitamin D levels.
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