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even minor impurities can lead to skewed data
Proceedings of the National Academy of Sciences of the United States of America
Mapping these pathways allows researchers to gain a deeper understanding of cellular resilience and structural preservation over multi-day periods
As we age, our stomachs produce less acid, which makes it harder to absorb B12 from food
For example, a common plan is to give 1000 mcg daily for a week
However, increasing oral supplement doses (within safe limits) while awaiting medical review is generally considered safe, as B12 has very low toxicity and excess is excreted through the kidneys
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