866, www.ncbi.nlm.nih.gov/pmc/articles/PMC5579659/
While aging is the most common cause of hair turning gray, there are other factors that can contribute to premature graying, meaning those that start to see gray in their 20s and 30s, says GH Beauty Lab Director Sabina Wizemann
While Vitamin B supplements are generally safe, excessive intake of certain Vitamin B types, like Vitamin B6 and Vitamin B3, can lead to adverse effects
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