An IV delivers USP-grade compounds at close to 100% bioavailability, and the effects begin during the infusion rather than hours later
As a result, if one of the alleles entails enzyme deficiency, about half the cells will be G6PD(+) and the other half will be G6PD(), although there is a large range of variation around that average for various reasons, not all of them fully known
For example, if you ate the following, you would consume more than double your daily B12 needs: However, if you have any issues that interfere with vitamin B12 intake or absorption, you may want to consider taking a supplement
PLoS ONE 11 , e0161123, (2016)
It is essential for scavenging free radicals and for detoxification