References
Tandon R, Thacker J, Pandya U, Patel M, Tandon K. Parenteral vs oral vitamin B12 in children with nutritional macrocytic anemia: a randomized controlled trial. Indian Pediatr. 2022;59:683–87.
Devi S, Pasanna RM, Shamshuddin Z, et al. Measuring vitamin B-12 bioavailability with [13C]-cyanocobalamin in humans. Am J Clin Nutr. 2020;112:1504–15.
Andres E, Dali-Youcef N, Vogel T, et al. Oral cobalamin (vitamin B12) treatment. An update. Int J Lab Hematol. 2009;31:1–8.
Vidal-Alaball J, Butler C, Cannings-John R, et al, McDowell I, Papaioannou A. Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency. Cochrane Database Syst Rev. 2005;3:CD004655.
Tudhope GR, Swan HT, Spray GH. Patient variation in pernicious anaemia, as shown in a clinical trial of cyanocobalamin, hydroxocobalamin and cyanocobalaminzinc tannate. Br J Haematol. 1967;13:216–28.
Krzywañski J, Mikulski T, Pokrywka A, et al. Vitamin B12 status and optimal range for hemoglobin formation in elite athletes. Nutrients. 2020;12:1038.
Sezer RG, Akoðlu HA, Bozaykut A, Özdemir GN. Comparison of the efficacy of parenteral and oral treatment for nutritional vitamin B12 deficiency in children. Hematology. 2018;23:653–7.
Indian Council of Medical Research/National Institute of Nutrition. Nutrient Requirements for Indians. A Report of the Expert Group. Department of Health Research, Ministry of Health and Family Welfare, Government of India; 2020.
Comprehensive National Nutrition Survey (CNNS). CNNS National Report 2016–18. Ministry of Health and Family Welfare, Government of India, UNICEF and Population Council, 2019.
Sarna A, Porwal A, Ramesh S, et al. Characterisation of the types of anaemia prevalent among children and adolescents aged 1–19 years in India: a population-based study. Lancet Child Adolesc Health. 2020;4:515–25.
Funding
Funding: HSS, AVK: recipients of the Wellcome Trust/Department of Biotechnology India Alliance Clinical/Public Health Research Centre Grant (IA/CRC/19/1/610006).
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Competing interests: none stated.
Rights and permissions
About this article
Cite this article
Devi, S., Sachdev, H.S. & Kurpad, A.V. Mysteries of Dosing Vitamin B12 and Much More!. Indian Pediatr 59, 677–678 (2022). https://doi.org/10.1007/s13312-022-2591-5
Published:
Issue Date:
DOI: https://doi.org/10.1007/s13312-022-2591-5