This could include itchiness, a rash, hives, chest tightness, shortness of breath and swelling of the throat, lips, mouth or tongue
Injections allow for direct absorption when dietary intake or oral supplementation may be insufficient
And so its extremely important that patients life-saving injections are not stopped
Unlike peptides, it does not require freezing
According to the National Academies of Sciences, Engineering, and Medicine (NAP), a safe highest level is called the tolerable upper intake level. Assessment of what amount is too much is based on animal and human studies, published evidence of adverse events, and professional agreement based on a committee of experts
The recommendation is to take between 25100 micrograms per day, as this amount has been shown to maintain healthy levels of vitamin B12 levels in older people