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Vitamin B12, for example, can degrade over time if exposed to high temperatures or direct sunlight
These may include confusion, depression, difficulty recalling or remembering information, and tiredness
With ongoing treatment, other, more serious side effects can emerge
Copper also contributes to enzymes involved in connective tissue formation, antioxidant protection, pigmentation, and tissue maintenance
Without ongoing B12 replacement, deficiency and symptoms will typically recur within months to years of discontinuation
Vitamin D status matters for follicle cycling and skin health (we'll cover this in depth in our upcoming D3 + K2 guide)
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