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Most of our B12 comes from meat in our diet
The hair literature contains several interesting positive findings, but the gap between mechanism and proven treatment is particularly wide
2000;19:V3539
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Vitamin B12 injections can benefit those feeling constantly tired, those with certain nutritional deficiencies or conditions like pernicious anemia, and individuals seeking to boost their overall wellness
Published research has confirmed this hypothesis specifically for hair follicle biology: AHK-Cu has the most direct published evidence for hair follicle effects, while GHK-Cu has the broader regenerative biology across multiple tissue types
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