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That level of precision requires a syringe with half-unit markings, and even small measurement errors translate to significant dosing variations
If you reconstitute a 30mg vial at 10mg/mL and your weekly dose is 2.5mg, you have 12 weeks of product in that vial
Several autoimmune diseases can make it harder for your body to absorb B12, including pernicious anemia
Contamination and unverified purity in compounds sold strictly as research chemicals, since no regulatory body checks their concentration or sterility
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