Even though cobalt is a major component of an essential vitamin, about 2% of the general population is allergic to it, according to DermNetNZ
And again, it rests largely on the animal data for which, yes, there's some interesting studies showing suppression of age-related ocular diseases
While capsules and other forms may offer convenience, they cannot guarantee the same efficacy and reliability critical for scientific inquiry
After the B12 receptors are saturated, the excess methyl-B12 not bound to receptors will be filtered from the blood by the kidneys and excreted into the urine within 30-45 minutes after the injection
However, leading a healthy lifestyle helps the injections work better
Let the water trickle down the glass wall and pool at the bottom beneath the powder cake