Reverse Gray Hair: 20 Nutrients, Vitamins, Supplements, Herbs, More Comment hair to get free ebook. Grey hair is not always aging sometimes its a vitamin signal! , In one clinical study, 55.8% of people with premature greying had low vitamin B12 levels., Mean B12 Reversing Gray Hair: Inspiring the Development of New Therapies Through Research on Hair Pigmentation and Repigmentation Progress Supplements for Gray Hair ConsumerLab.com 25M and got this much grey hair. I don't want to color them. Any remedy or advice? : r malegrooming 1 in 3 people under 30 have premature greying , Most of them are B12 deficient , Your hair didnt age your mitochondria did., #B12Deficiency Grey hair isnt age, its a signal., Your cells are