The most widespread indicators include unexplained muscle weakness, a constantly sore or swollen tongue, chronic brain fog, tingling sensations or pins and needles in your hands and feet, persistent mood shifts, and a pale or yellowish skin tint
Oral administration of high-dose vitamin B 12 (1 to 2 mg daily) is considered as effective as intramuscular administration for correcting anemia and neurologic symptoms Despite many studies suggesting oral administration of vitamin B 12 to be easy, effective and less costly than intramuscular administration, debate surrounds the effectiveness of the oral route
Critically, AOD-9604 did not produce the metabolic side effects associated with full-length growth hormone, including no insulin resistance or glucose intolerance, no elevation of IGF-1 levels, no fluid retention or joint pain, and no cardiovascular parameter changes
Vitamin B12 is not naturally present in reliable amounts in plant foods (some seaweeds and fermented foods contain B12 analogues that are not bioactive in humans), which means vegans and some vegetarians need to obtain their intake through fortified foods or supplements