01
Review identified iron as one of several micronutrients with roles in AGA pathogenesis, suggesting deficiency is a modifiable risk factor.
view on pubmed ↗← BACK TO VEDA
SUPPLEMENTS
• MIXED
Iron Supplements for Hair Growth
RESEARCH
- Iron deficiency may contribute to hair loss, but there's no solid proof that iron supplements alone regrow hair—you need to fix the underlying deficiency first, not just self-treat.
COMMUNITY
- Mixed results: some see real hair growth after supplementing, but others emphasize fixing the root cause and monitoring levels with a doctor matters most.
⚠
SAFETYIron supplements can cause constipation and nausea, and shouldn't be taken without a blood test first—too much iron is also harmful, so work with your doctor to check levels.
WHAT THE RESEARCH SAYS
ALL 15 ON PUBMED ↗02
A supplement containing iron plus amino acids and collagen was tested for hair loss but no controlled efficacy data were available at publication time.
view on pubmed ↗03
Post-bariatric surgery, severe hair loss was associated with zinc deficiency more prominently than iron, though iron status was also assessed.
view on pubmed ↗WHAT PEOPLE SAY
READ THREADS ON REDDIT ↗COMMUNITY SENTIMENT
58% positive
“yes! I've also battled iron deficiency and I get so frustrated when I see people on haircare forums recommend taking an iron supplement. If someone's hair issues are due to iron deficiency, treating iron deficiency is often more involved than just taking a self-prescribed supplement. You need to monitor your ferritin levels and also find out the root cause and address it if possible. NOTE: this is not medical advice, nor is it an invitation for others to advise me. Please work with your doctor to diagnose and treat a health condition like iron deficiency.”
U/VEGLOVE ↗“Thinning temples and crown, I’ve been supplementing iron pillls for about 4 months and see a lot of hair growth. Way thicker then it’s been in years”
U/COMMUNICATIONDEEP558 ↗“I noticed my hairline and temples looked really sparse one day at work two months after Covid. I figured it would come back and after 2 years it didn't, I checked my iron and my ferritin is 10. I've been on iron since Feb and so far the regrowth is minimal but I hardly have any shedding for a while. I'm also getting older and in perimenopause but I'm trying to think positive. I get my ferritin checked again Tues and I'm hoping it has gotten better. I'm tired of obsessing about my hair.”
U/[DELETED] ↗COMMENTS
Add context that might help others — skin type, conditions like PCOS, what you'd tried before. The more specific, the more useful.
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