Main limitation: synergy is shown for GHRH + secretagogue classes in general, not for this exact blend in a human trial
Here are some of the groups who may be more at risk for a B12 deficiency (NIH, 2020): Those with atrophic gastritis: Between 10 and 30% of older adults are afflicted with atrophic gastritis, which results in decreased absorption of foods containing B12
[DOI] [PMC free article] [PubMed] [Google Scholar] 56.Kim S.J., Nian C., Karunakaran S., Clee S.M., Isales C.M., McIntosh C.H
For general supplementation, the differences between these forms are unlikely to be clinically meaningful for most people
You have atrophic gastritis, an inflammation of the stomach lining
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