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In a 2019 study published in NCBI, titled "The Role of Vitamins and Minerals in Hair Loss: A Review," researchers stated that "vitamin B12 [is one] of the vitamins and minerals that may be involved in hair graying/whitening during childhood or early adulthood

Well, there are some common signs that indicate you have nutritional deficiencies and its time for you to bridge the gap

Age Studies show that people who are over the age of 50 may struggle to store vitamin B12 due to a decrease in the production of stomach acid and inflammation of the stomach

The frequency of B12 injections can vary depending on your individual needs and health goals