It depends on the cause of deficiency
Megaloblastic Anemia Due to Severe Vitamin B12 Deficiency
Some US packages can take longer Manufacturer: TP Drug or March Pharma
These include if you are pregnant or breastfeeding, have a disease that affects your intestines and how well you digest your foods, or if you have a strict diet that doesnt give you enough vitamins
Price & Quotation: FOB Shanghai: Discuss in Person Payment Terms: T/T, L/C Loading Port: Shanghai, Guangzhou, Chongqing, Yiwu MOQ(5ml,10ml): 30000 Bottles MOQ(50ml,100ml): 5000 Bottles MOQ(250ml,500ml): 2000 Bottles MOQ: Powder/Bolus: 500 KG Composition Each ml contains: Vitamin B 12 .........1mg Indication The solution is used to prevent stunted growth caused by vitamin deficiency, to complete the vitamin deficiency that occurs in the diet after improper storage conditions and preparation options and to provide the necessary support in such cases, to minimize negative attitudes from suppressive environmental conditions, to achieve the vitamins necessary for high production, and to increase body strength in gestation, lactation, metabolic disorders and other diseases
Drug Interactions Neomycin, colchicine, para-aminosalicylic acid, or excessive alcohol intake longer than two weeks may cause malabsorption of vitamin B12