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This product is intended for use in controlled research environments where accurate reconstitution and repeated vial access are required.
I don't see how you are getting that only 5mcg is lost daily: if you have injected say 1000 mcg of B12, most of it is peed out within a few days
How Quickly Do You Notice Results and How Long Do They Last
For example, if its 1000 mcg/mL, then 1 mL has 1000 mcg (or 1 mg) of Vitamin B12
Studies have explored its potential to support nerve repair and protect brain cells, with research examining its effects on the dopamine and serotonin systems
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