[2] However, elevated MMA is not conclusive, as it is seen in people with B 12 deficiency, but also in elderly people who have renal insufficiency, [28] and elevated homocysteine is not conclusive, as it is also seen in people with folate deficiency
Medical Conditions, Surgeries, and Medications Lack of intrinsic factor (a protein made in the stomach thats needed for B12 absorption) - this condition is called pernicious anemia Thyroid disease HIV/AIDS (human immunodeficiency virus/acquired immunodeficiency syndrome) Autoimmune diseases like type 1 diabetes, where the immune system in the body attacks its own tissues Gastric bypass surgery (weight loss surgery) Chronic gastritis surgery Certain medications like heartburn drugs (proton pump inhibitors) which reduce stomach acid production Who Is At Risk of Vitamin B12 Deficiency
Also alcohol csn give fatigue as affects blood sugar levels
Monitoring and Follow-up: Its critical to check patients frequently and follow up with a healthcare professional to evaluate the efficacy of the treatment and make any necessary changes
When to seek medical attention Seek immediate medical care for: Any signs of severe allergic reaction Fever with injection site infection signs Chest pain or significant cardiovascular symptoms Severe or persistent neurological symptoms Any symptom that feels like a medical emergency Seek prompt (but not emergency) medical attention for: Symptoms that persist beyond two weeks without improvement Symptoms that progressively worsen rather than improve New symptoms that appear after initial adjustment period Any symptom that significantly impairs daily function Do not let concern about discussing peptide use prevent you from seeking appropriate care
There is not as much evidence regarding long-term efficacy or safety of gel vitamin B12 compared to injections, but at this time it appears B12 gel works similarly to raise blood levels