International guidelines

Rest of the world

Cobalamin (vitamin B12) and folate deficiency[105]

Published by:Guidelines and Protocols Advisory Committee, British Columbia

Last published:2023

ESPEN micronutrient guideline[59]

Published by:European Society for Clinical Nutrition and Metabolism

Last published:2022

Dietary supplement fact sheet: vitamin B12[58]

Published by:Office of Dietary Supplements, National Institutes of Health

Last published:2022

Dietary guidelines for Americans 2020-2025[104]

Published by:US Department of Health and Human Services; US Department of Agriculture

Last published:2020

ESPEN practical guideline: Clinical nutrition in inflammatory bowel disease[94]

Published by:European Society for Clinical Nutrition and Metabolism

Last published:2020

Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient - 2019 update[74]

Published by:American Association of Clinical Endocrinologists; Obesity Society; American Society for Metabolic & Bariatric Surgery

Last published:2019

Nutrient reference values for Australia and New Zealand[106]

Published by:Australian Government National Health and Medical Research Council and New Zealand Ministry for Health

Last published:2017

Diagnosis of B12 and folate deficiency[1]

Published by:British Society for Haematology

Last published:2014

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