Common side effects of B12 injections These B12 effects tend to resolve on their own within a day or two: Injection site reaction, such as mild soreness, redness, or swelling Brief itching or warmth at the injection area A feeling of fullness or pressure in the muscle Mild headache or nausea shortly after the shot These reactions are typically related to the injection itself, not the vitamin
Truth be told, we had a tough time choosing the safety winner, as Life Extension and Quicksilver also perform strongly in terms of quality controls
10.1038/s41580-023-00648-1 44 GanB
However, a recent 12-week multicenter study comparing the efficacy of GLA (320 mg/day) and ALA (600 mg/day) in participants with T2D and painful DPN found that after 12 weeks, both neuropathic symptoms and pain improved, and GLA was shown to be non-inferior (equally effective) to ALA in reducing pain intensity [115]
The length of time you will need to stop your medication depends upon which drug you are taking
The bulk purchasing guide discusses quality indicators that help distinguish reliable sources from unreliable ones
