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Injections are perfect for anyone who may have difficulty absorbing B12 through diet or supplements
Netea et al., 2020
Sermorelin (approved 1990, withdrawn 2008 for commercial reasons) and tesamorelin (approved 2010 for a narrow HIV-associated indication) are short-half-life molecules that preserve native pulsatile GHRH signaling by design [12]
If you have too little B12 in your body, your nails might turn brown-gray or bluish
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