But they can occur
10.1159/000346968 19 EFSA NDA Panel (EFSA Panel on Dietetic Products, Nutrition and Allergies) (2015)
Each vial is stored and shipped in a controlled, temperature-safe environment to ensure stability and purity
Response: We appreciate the commenters for their recommendation regarding the attribution and evaluation of beneficiaries at the TIN/NPI level
For example: Fatigue, unexplained weight loss, or abdominal pain may indicate liver disease or cancer Easy bruising, night sweats, or feeling full quickly (early satiety) may suggest a myeloproliferative disorder Swelling in the legs, reduced urine output, or persistent nausea may point to kidney disease In cases of very high B12 from injections (not oral supplements), some people have reported headache, nausea, diarrhea, facial flushing, or skin rash
Its important because vitamin B12 is integral for many functions, including optimized cell reproduction, blood formation, protein, and tissue synthesis