the label also warns that rash, hives, or swelling of the face, mouth, lips, or tongue can signal a hypersensitivity reaction requiring emergency care, though no generalized allergic reactions were documented in the original trials Because current supply comes only from compounded preparations rather than an FDA-verified finished product, potency, purity, and sterility can vary by pharmacy, and unregulated online sources carry added contamination or mislabeling risk
Category 2 preparations, made in full cleanroom suites, can receive longer BUDs
As with any treatment, however, there can be potential side effects to consider
Without a log, you're guessing which compound is doing what
Your body needs intrinsic factor to absorb vitamin B12 from the food you eat