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can b12 injections hurt What happens if you inject wrong? How Long Does a B12
Description
B12 deficiency directly causes anemia and reduced VO2 max regardless of training

Knowing the key rules for B12 injections helps doctors give better care to those with a B12 deficiency

doi: 10.1038/s41598-018-22081-7
Side effects are uncommon and usually mild, like brief soreness at the injection site

Alcohol may also interact with muscle relaxants, antibiotics, or anti-inflammatory drugs prescribed around the time of the injection
This means that it takes time and consistency to get results from this supplement