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Neurological Health Your nervous system relies on B12 to maintain the protective sheath around your nerves, known as myelin

Sources include: avocado, olive oil, nuts, seeds, eggs, and fatty fish Omega-3 fatty acids (found in salmon, mackerel, anchovies, herring, sardines, walnuts, and chia seeds) are especially important Omega-3s are anti-inflammatory and have been linked to improved mood and reduced risk of mental health conditions

However, a few limited studies have raised concerns about the possible side effects of taking vitamin B12: A 2019 study found that taking more than 25 micrograms (mcg) per day or higher was associated with an increased risk of bone fractures in postmenopausal women

They can complement your oral supplements but dont always replace them

Unlike hormones or growth factors that target specific tissues, GHK-Cu operates systemically