Conversely, if you are a vegetarian or vegan, you might need to rely more on B12 shots or supplements to maintain adequate B12 levels
Exceptions to this rule are if supplements are stored in wet, hot, or humid areas and produce mold
Oral supplements might not work well for some because of absorption issues or severe conditions
Migraines Although there is no concrete research forging a direct link between migraines and B12 injections, those with migraines can benefit from Vitamin B12 injections since high Vitamin B12 levels can help with high levels of homocysteine, and thus, reduce the intensity of the migraine
An untreated cobalamin deficiency can cause anemia, muscle weakness, fatigue, memory loss, nerve damage, intestinal issues, confusion, depression & mood swings, heart palpitations, pale skin, constipation, diarrhea, vision loss, numbness in hands or feet, dizziness, problems with balance, dementia, etc 2.4 micrograms is the recommended dose of vitamin B12 an adult should get every day
We used a Mendelian randomization design to test whether this relation might be causal