An intranasal spray solution of B12, also called Nascobal, with the same indications, was FDA approved in January 2005
The practical evidence remains limited
Pickart, Control of fibrinogen biosynthesis: The role of free fatty acid, Journal of Atherosclerosis Research, Volume 8, Issue 1, 1968, Pages 155-166, ISSN 0368-1319, Pickart L, Freedman JH, Loker WJ, Peisach J, Perkins CM, Stenkamp RE, Weinstein B
While oral B12 supplements are available, vitamin B12 injections have advantages including enhanced absorption since it bypasses digestion, a fast-acting energy boost from quick absorption, higher blood levels reached versus pills, lasting benefits between maintenance doses, improved concentration and mental clarity, and often more affordable and convenient long-term
It works for every lyophilised peptide on the market BPC-157, Retatrutide, Tirzepatide, CJC-1295, Ipamorelin, GHK-Cu, Semaglutide, TB-500 and runs entirely in your browser