After an initial loading phase of six injections over two weeks (or more frequently if neurological symptoms are present), maintenance injections are given every two to three months for life to prevent deficiency recurrence
Individuals at risk of vitamin B12 deficiency include older adults, people with gastrointestinal disorders, those who have had gastrointestinal surgeries, individuals on a strict vegan diet, individuals who take metformin for blood sugar control, and people taking proton pump inhibitors for chronic heartburn
Once reconstituted, store the liquid solution in a dark refrigerator at 28C and complete your testing timeline within 21 to 30 days to prevent potency drops [verify with brand/source]
Mild side effects, such as redness or swelling at the injection site, may occur but typically resolve quickly
Weekly injections are common, but the schedule can vary based on your goals.