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However, NEXAPH distributes this product exclusively through its official store to maintain transparency, quality control, and brand integrity

Unexplained hypercobalaminemia, particularly levels above 1,000 pg/mL, has been associated with liver disease, kidney dysfunction, myeloproliferative disorders, and certain solid cancers in multiple large-scale studies

PMID 12918012

Last reviewed: June 11, 2026 Last updated: June 11, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

When to Prioritize B6 : Vitamin B6 supplementation may particularly benefit individuals experiencing nausea, fatigue, or mood fluctuations while using semaglutide

PMID: 28189172 6 Intramuscular Cyanocobalamin Treatment in Patients with Corpus Atrophic Gastritis and Vitamin B12 Deficiency: Efficacy and Predictors of Increased Requirement-A Monocentric Longitudinal Real-Life Cohort Study