A 1989 study published in the International Journal for Vitamin and Nutrition Research revealed that marksmen who received vitamin B shots improved their firing accuracy
Although studies are mixed, vitamin D may make severe flu and COVID-19 infections less likely
Because half-life varies from a few minutes to several days across different peptides, accurate reference data from a reliable peptide half-life chart is essential for experimental design
Conditions include alcoholic liver disease, viral hepatitis, cirrhosis, and primary or metastatic liver cancer Renal dysfunction : Impaired kidney function reduces B12 elimination, causing accumulation even with normal intake Haematological conditions : Myeloproliferative neoplasms, chronic myeloid leukaemia, polycythaemia vera, and hypereosinophilic syndrome increase transcobalamin production, elevating total serum B12 Laboratory interference : Macro-B12 (immunoglobulin-bound B12) and assay interference can cause spuriously elevated results without true excess In clinical practice, unexplained hypercobalaminaemia should prompt investigation for underlying disease, particularly in patients without obvious supplementation history