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Geneva, Switzerland: World Health Organization
Oral supplements: can work for mild deficiency and maintenance in people who absorb B12 normally, but tend to take longer and are less reliable when absorption is impaired
When combining peptides, start with conservative doses and monitor response carefully
This product is intended for use by qualified researchers, laboratories, and research institutions conducting in vitro or analytical studies
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However, pernicious anemia, in which the body is unable to properly absorb B12, affects some people
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