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When taken for a long term, it is associated with a decrease in zinc level and also causes toxicity to the liver

Vegetarians and vegans may also experience B12 deficiency, because animal products are the most common source of dietary B12

The dogs were acclimatized to the housing conditions for at least 7 days prior to the initiation of the experiment

Store tightly closed in a cool, dry place

This origin suggests GHK-Cu peptide may function as an extracellular damage signal, potentially interacting with cell-surface receptors, ion channels, and intracellular enzymes to coordinate repair-associated responses

Many studies have been small, of short duration, or focused on specific patient populations