Changes in serum cobalamin by supplementation route and dosage Across 35 comparisons, the mean percentage increase in serum cobalamin following supplementation was approximately 293%, confirming the overall effectiveness of vitamin B12 interventions (Supplementary Table S4)
If youre on the fence, consider your day-to-day: Do you deal with fatigue that doesnt match your sleep, recurring brain fog, or a pattern of good day, crash day
Reference: Neelakantan H, Vance V, Wetzel MD, Wang HY, McHardy SF, Finnerty CC, Hommel JD, Watowich SJ (2018)
Clinical research shows comparable total drug exposure regardless of site
Capable to facilitate red blood cells formation: Improves Red Blood Cell Formation-Picture Courtesy: Firstvet Abundant formation of red blood cells keeps the cat frisky and energetic
Information here is drawn from the published trial record, FDA regulatory documents, and animal studies