evidencegaps
Primary study · included by 1 review

Efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial.

Schijns 2018 · Schijns Wendy, Homan Jens, van der Meer Leah, et al. · The American journal of clinical nutrition · 2018

Included by

Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis.
Non-Cochrane · intervention · 2025 · cited as Schijns 2018 · Table 2; References

The review does not say which of its outcomes this study informs.

1 including review in total.