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They may already know that tablets were not enough, or they may have been advised to have injections in the past
Its often recommended to get B12 injections once a month or once or twice a week
Jenner, P
Some people really are more likely to run low on B12: Vegans and vegetarians, since B12 comes mostly from animal foods Adults past about 60, who tend to absorb it less well Anyone with gut or absorption issues, from Crohn's and celiac to weight-loss surgery People on certain medications, including metformin and long-term acid reducers The shot itself takes about a minute
Reviewed by the PeptideMind Team Updated July 28, 2026 GHK-Cu Dosage Calculator, Benefits & Side Effects Use our free GHK-Cu (copper peptide) dosage calculator for mg ranges and injection/topical protocols, plus collagen and skin-healing benefits and side effects to know
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