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The short answer is that they do different jobs
This structural distinction underpins its irreplaceable role in ferroptosis control and embryonic development
The weekly total is what your provider titrates, adjusting up or down based on how you respond and tolerate it
This method bypasses the digestive system, making it ideal for people who: Have trouble absorbing B12 due to gastrointestinal issues (like Crohns disease or coeliac disease) Are on medications that interfere with B12 absorption (like metformin or anti-acids) Follow vegan or vegetarian diets Have undergone gastric surgery
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