You can also take oral supplements or use IV therapy (our favorite option) to replenish your vitamin levels
Best for: confirmed B12 deficiency, pernicious anemia, energy and fatigue, neurological support, metformin/PPI users, vegans, general wellness
J Appl Pharm Sci 2011:110 Karagiannis ED, Popel AS (2008) Novel anti-angiogenic peptides derived From ELR-containing CXC chemokines
A few, PT-141 among them, can be nasal
For 500 mcg: 500 / 5,000 = 0.1 mL = 10 units
In the field of prescription medications, most medications that small uncontrolled studies have suggested may have some positive effects are later shown to not have significant positive outcomes after being tested in the much larger, more rigorous studies required to attain FDA approval