Theres so much to talk about with that
Because the unit is a single co-formulated fill, one Certificate of Analysis reports identity and purity for each compound in the vial, under one batch number
Semaglutide, meanwhile, is still tagged as being in shortage by the FDAeven if all doses of Wegovy and Ozempic are marked as available on the regulators website

Uses Maintenance treatment of pernicious anemia Vitamin B12 deficiency due to poor absorption Vitamin B12 deficiency in strict vegetarians Deficiency caused by stomach or intestinal disorders Vitamin B12 deficiency after certain stomach surgeries Contraindications If you are allergic to cyanocobalamin or any other ingredient of Naso B12 nasal spray If you have had a severe reaction to cobalt or vitamin B12 If you have early Lebers disease (a hereditary eye condition) Side effects Headache Nausea Runny nose (rhinitis) Dizziness Mild nasal irritation Precautions and Warnings Pregnancy Breast Feeding Driving Alcohol Other General Warnings You have kidney disease, have had a kidney transplant, or have liver disease You are allergic to any component of Naso B12 nasal spray You are taking other medicines or supplements You have nasal congestion, allergic rhinitis, or a cold You have anemia not yet been properly diagnosed You have early Lebers disease You have low potassium levels Directions for Use Use Naso B12 nasal spray exactly as prescribed by your doctor

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Initial symptom improvements, such as reduced pain and burning, may appear within 4 to 8 weeks