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Interestingly, hyperplasia of selected EEC subtypes in response to intestinal infection is probably dependent on immune cells, since serotonin (5-HT)-producing cell hyperplasia associated with Citrobacter rodentium infection was absent in mice lacking adaptive immunity ( + T cells were necessary to increase numbers of 5-HT producing enterochromaffin cells during helminth infection (149)
The European Food Safety Authority (EFSA) further set a conservative acceptable daily intake (ADI) of 322 mg/day for adults
Only about 1% of oral B12 is absorbed passively when intrinsic factor is absent or impaired
Improves Mood & Reduces Stress B12 contributes to serotonin production, improving mood and helping to manage stress
