Notes that high-dose niacin passes into breast milk and that lipid-altering doses could pose risks to nursing infants, recommending caution or avoidance of such doses during breastfeeding)
Quality verification essential: Use reputable vendors, request Certificates of Analysis, consider independent testing for expensive long-term protocols
Not percentage points
Injections are favored for severe deficiency, malabsorption (e.g., postGI surgery, chronic diarrhea), very low B12 levels with neurologic signs, poor adherence, or when rapid repletion is needed
The recommended daily allowance at the minute in the UK is about 2.4 micrograms, but these things do change over time, so always keep an eye on that
This is where the affected tendons attach