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2025 11th edition]
J., & Sarkar, B
Oral supplements (tablets or lozenges): Oral B12 must pass through the stomach and requires a protein called intrinsic factor to be absorbed
doi: 10.1016/j.bbi.2019.11.006
Independent assessments of commercial probiotics consistently reveal discrepancies between label claims and actual contents, including inaccurate strain designations, missing strain-level information, and viable counts that are either lower or higher than declared, especially in food products (567, 568)
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