Think of it as text messages sent to different areas of the body, helping cells to communicate with each other", notes Dr Ahmed El Muntasar, GP and owner of The Aesthetics Doctor
Bottom line: interesting scienceno proven human benefit, and unknown long-term safety
It is important to note that if your body is well-nourished and not deficient in vitamin B12, adding a supplement will not improve the health of your skin, hair, or nails
That supply figure matters for planning a full cycle: an 812 week protocol that steps down in frequency will typically consume less than you would expect, because the maintenance phase uses far fewer doses per week
Any use in humans or animals is strictly prohibited and may violate federal, state, or local laws, including the Federal Food, Drug, and Cosmetic Act
doi:10.4162/nrp.2010.4.3.229