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Oral formulations exist, though most clinical protocols use subcutaneous injection because it delivers more predictable dosing
Quality varies significantly between sources, and independent testing for purity and potency is not consistently available
As B12 is essential for the production of red blood cells and proper nervous system function, its deficiency can disrupt these processes and lead to symptoms like gastrointestinal discomfort and poor appetite, which may contribute to unintended weight loss
It does not directly stimulate muscle growth the way anabolic hormones or growth hormone-releasing peptides are intended to
Therapeutic Goods Administration
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