Identity and synonyms
Catalog label is recorded; analytical identity and equivalence are not established.
Nonpeptide agent · Vitamin or precursor
Detailed molecular class: Nonpeptide agent; see mechanism for subtype
Supplied sequence or chemical reference
Mechanism
Cobalamin family: cofactor for methionine synthase and methylmalonyl-CoA mutase; not a peptide.
Evidence and critical reading
Reported scientific and empirical uses
Hematologic context · Replacement and nutritional context
Deficiency replacement; energy or weight-loss promises in replete people need independent evidence.
Human evidence
Deficiency can cause anemia and neurological damage. Chemical form, absorption and deficiency cause determine treatment; a B12-containing blend does not inherit replacement efficacy.
Preclinical evidence
Do not equate mechanism, cell culture or animal work with a clinical outcome. The specific level is detailed in the evidence assessment.
Critical reading and limitations
Deficiency can cause anemia and neurological damage. Chemical form, absorption and deficiency cause determine treatment; a B12-containing blend does not inherit replacement efficacy.
Deficiency can cause anemia and neurological damage. Chemical form, absorption and deficiency cause determine treatment; a B12-containing blend does not inherit replacement efficacy.
Source-specific regimens
Descriptive source observations, not individual recommendations.
Regulatory product labeling
No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.
Human-study exposure
No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.
Empirical handbook
No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.
Regulation and safety
Jurisdiction-specific regulatory context
This record does not verify FDA/EMA authorization of the commercial identity. Where a specific medicine/product exists, jurisdiction/indication are detailed in cited sources; they do not transfer to supplier material.
Adverse effects and unknowns
Metformin and acid suppressants can reduce B12 status. Do not convert printed mg in a multivitamin vial into a universal regimen; diagnosis/formulation matter.
Contraindications
A complete list must match the exact authorized product. For experimental materials without verified human labeling, a complete contraindication set is not established here. No list does not mean safety.
Interactions
Separate documented interaction, pharmacologic plausibility and unknown interaction. Absence of a blend trial does not establish compatibility.
Studies and trials
Selected studies
No selected studies are attributed in this record.
Trials attributed in the package
No trials are attributed in this record.
Trial registration does not establish efficacy or validate commercial material.
Query candidates; attribution pending
vitamin B12 · 758 unfiltered query results, not authenticated trials
Query verification: October 16, 2026
Exact phrase intervention query; first three most recently updated records, not exhaustive. Aliases may be missed and heterogeneous products may appear. The total is the unfiltered registry query count, not authenticated trials. Source-integrity holds are excluded from ordinary listings.
View trial registry queryNCT07877948 · Comparative Study of Combination Treatment of Bionerv E+ Versus Vitamin B Complex in Treatment of Diabetic Polyneuropathy in Type 2 Diabetic Patients and Its Effect on Wound HealingRegistry status: RecruitingLast update posted: October 16, 2026Query verification: October 16, 2026
NCT00078078 · Clinical and Laboratory Study of Methylmalonic AcidemiaRegistry status: RecruitingLast update posted: October 16, 2026Query verification: October 16, 2026
NCT07752342 · Exploring Wellbeing Outcomes in Adolescents Using Bifidobacterium Longum, 1714™Registry status: Not yet recruitingLast update posted: October 14, 2026Query verification: October 16, 2026
Source issues and references
References include queries and bibliographic handbook attributions; not all are clinical studies. Human review remains pending.
- ODS-B12
October 16, 2026
- SEARCH-PUBMED-b12
PubMed/MED targeted search: TITLE:"vitamin B12" AND TITLE:randomised
October 16, 2026
- pdf01
PEPNEXA 2.pdf
October 16, 2026
- pdf02
ELLA PEPTIDES.pdf
October 16, 2026
- pdf05
PEPNEXA.pdf
October 16, 2026
- pdf07
US Peptide MangerCorp(1).pdf
October 16, 2026
- pdf09
PeptideFactory.pdf
October 16, 2026