Which vitamin causes hair fall?

Dude, too much Vitamin A can actually cause hair fall, my doctor told me. It's not usually a deficiency, but an overdose. Also, low Vitamin D and iron can cause it. It's crazy how much depends on these small things. So yeah, don't just pop multivitamins without checking what's up.

While iron deficiency and low Vitamin D are common culprits for hair loss, surprisingly, an *excess* of Vitamin A can also cause it. My dermatologist explained that too much Vitamin A, often from supplements, can be toxic and lead to hair shedding. It's a fine balance. Always consult a doctor for blood tests to understand the root cause before self-supplementing.

Actually, both deficiency of certain vitamins like Vitamin D and iron, and sometimes *excess* of Vitamin A can cause hair fall. It's important to know the exact cause before spending money on supplements. Get a full panel blood test done – it might seem a bit costly upfront, but it saves you from buying the wrong things and potentially worsening the problem. Plan your diagnostic tests wisely.

Achha, hair fall is such a common problem for many. It's not always a single vitamin. Sometimes, a deficiency in Vitamin D or iron can lead to hair loss. But also, surprisingly, too much Vitamin A can be a problem. My practical advice is to get a blood test done and consult a good doctor, they will tell you exactly what you need.