Can eating the right minerals turn gray fur black?
Non-Identity of Gray Hair Produced by Mineral Deficiency and Vitamin Deficiency
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Gray hair in rats was reversed—not just slowed or prevented—by mineral supplementation.
Most science assumes hair graying is permanent and genetically driven; this shows it might be biologically reversible in mammals under specific conditions.
Practical Takeaways
Ensure adequate intake of iron, zinc, and copper through diet or supplements.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Gray hair in rats was reversed—not just slowed or prevented—by mineral supplementation.
Most science assumes hair graying is permanent and genetically driven; this shows it might be biologically reversible in mammals under specific conditions.
Practical Takeaways
Ensure adequate intake of iron, zinc, and copper through diet or supplements.
Publication
Journal
Proceedings of the Society for Experimental Biology and Medicine
Year
1940
Authors
A. H. Free
Related Content
Claims (3)
People whose hair turns gray too early often have lower levels of iron, zinc, and copper in their bodies compared to people whose hair grays normally.
Scientists found that when rats were given extra minerals, their gray hairs turned back to black—but rats that didn’t get the minerals stayed gray.
In rats, if they drink less of the kind of milk that doesn’t have many vitamins, their fur might turn gray — it’s like their body isn’t getting enough good stuff, and that could show up as gray hair.