B12 is water-soluble, meaning your body excretes what it doesnt use through urine rather than storing excess the way it does with fat-soluble vitamins
They can identify whether vitamin B12 may be contributing or if other factors are involved
Mechanism: B12 is a cofactor for blood cell production and energy-yielding metabolism
When biotin deficiency does occur (for example, due to genetic enzyme disorders or prolonged consumption of raw egg whites), it can lead to symptoms such as thinning hair (alopecia), a scaly red rash around the eyes, nose, and mouth, and neurologic issues like fatigue, depression, or numbness
He acknowledges, though, that the dearth of human research makes it difficult to rule out the placebo effect
As you are technically absorbing lower amounts of B12 over time, you may have to wait for your symptoms to reduce