b12 injection or supplement Vitamin at a Licensed Pharmacy Vitamin B-12 Injection, 3,000 mcg/mL

If your B12 levels are already normal, injections are unlikely to make a meaningful difference

Vitamin D3 You can obtain Vitamin D from sunlight

If left untreated, it can lead to Heart palpitations and shortness of breath Weakness, tiredness, or lightheadedness Pale skin Vision loss Constipation, diarrhea, loss of appetite, or gas A smooth tongue Depression Memory loss Behavioral changes Numbness or tingling Muscle weakness Problems walking not trying to give you the wobbles here!), low levels of B12 can be linked to the development of pernicious anemia, dementia, or osteoporosis

This calculator estimates concentration, dose volume in mL, syringe measurements, and estimated doses per vial

Note any unusual symptoms throughout the day of the shot