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escalating concentrations produce seizures, coma, and respiratory arrest
The National Institutes of Health shares the following recommended dietary allowances (RDAs) in micrograms (mcg) when it comes to vitamin B12: Teens and adults more than 14 years old: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Food is also a great source of nutritional goodness, and many people are able to fulfill all of their B12 needs through diet alone
The frequency may be adjusted based on individual response and symptom control
International variations in regulatory status can create confusion and may limit access to these therapies in certain jurisdictions
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