However, in view of the excellent safety profile of B12, even at high doses, supplementation, ideally as part of a more comprehensive nutritional programme, may still be of value when the clinical picture and/or other factors (e.g
Injections, often involving intramuscular administration, are prescribed for individuals with absorption issues or a diet lacking in vitamin B12 rich foods
Obtain blood tests to check your B12 levels
Indication specific labs are ordered when a clinical question requires them, for example IGF-1 before a growth hormone secretagogue, a metabolic panel before a fat loss peptide, or thyroid markers when symptoms suggest it
Pharmacies with Clinic Services Many local pharmacies are expanding their services to include small clinics that offer basic health services, including vitamin injections