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The Bottom Line Yes, you can receive a B12 injection in many places
This is due to something called bioavailability
State-by-state availability specific to the Longevity service wasn't established in the materials reviewed for this article, either - the brand's Terms only confirm that services are U.S.-only and may be limited by state law or Clinical Partner availability
Sterile water for injection (without benzyl alcohol) is a single-use format once punctured, microbial ingress risk increases with each subsequent withdrawal
Because B12 is water-soluble, any excess is naturally excreted, making it one of the safest injectable nutrients available when performed professionally
Freezer storage (-20 degrees Celsius) Freezing reconstituted peptide can extend usable life to 2-4 months
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