Oral Supplements: A Quick Comparison For people with a confirmed deficiency, especially those with absorption problems, injections generally act faster than oral supplements: Injections: bypass the gut, reliably reach the bloodstream, and often produce noticeable changes in energy and mental clarity within days for those who are deficient
When bound to AHK, copper may be more bioavailable and directed toward processes like extracellular matrix repair, angiogenesis, and follicle stimulation
Many people don't realize they have osteoporosis until they break a bone because of the condition's silent deterioration of bone density, which can lead to bone fractures
Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant
Cyanocobalamin is the most widely used form due to its chemical stability, although it is not active in its original form