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MTHFD1, methylenetetrahydrofolate dehydrogenase 1
Other risk factors for B12 deficiency are stress, excessive alcohol use, and smoking
B12 can be injected underneath the skin or into the muscle
Our internal protocol is being monitored by our clinical team, and we will transition to patient-facing availability only when we are satisfied with our own observations and with the emerging evidence base
A color change in a vial you have been using might indicate storage problems or contamination from repeated punctures
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