evidencegaps
Primary study · included by 1 review

Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomised trial.

Parry-Strong 2016 · Parry-Strong Amber, Langdana Fali, Haeusler Sylvan, et al. · The New Zealand medical journal · 2016

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 Parry-Strong 2016 · Table 2; References

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

1 including review in total.