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Do not flush unused medications or pour down a sink or drain Best, C
Use the actual volume you added in your concentration calculation
document solvent, concentration, and prep date Minimize moisture and airborne contamination during weighing Follow institutional SOPs and appropriate containment Restrictions Laboratory research use only No clinical or veterinary applications No therapeutic or diagnostic claims Technical Specifications Storage & Notes Record lot, solvent system, concentration, and preparation date
For mild, diet-related low levels, tablets can be equally effective
Strength comparison 5mg contains five times the amount of B12 compared with a 1mg ampoule
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