![Frontiers | Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation? Frontiers | Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation?](https://www.frontiersin.org/files/Articles/972468/fphar-13-972468-HTML/image_m/fphar-13-972468-g001.jpg)
Frontiers | Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation?
![Amazon.com: Nature's Bounty Vitamin B12 1000mcg, Supports Energy Metabolism and Nervous System Health, Vitamin Supplement, 100 Tablets : Health & Household Amazon.com: Nature's Bounty Vitamin B12 1000mcg, Supports Energy Metabolism and Nervous System Health, Vitamin Supplement, 100 Tablets : Health & Household](https://m.media-amazon.com/images/I/71aiKF+G-bL.jpg)
Amazon.com: Nature's Bounty Vitamin B12 1000mcg, Supports Energy Metabolism and Nervous System Health, Vitamin Supplement, 100 Tablets : Health & Household
![Nutrients | Free Full-Text | B Vitamins and One-Carbon Metabolism: Implications in Human Health and Disease Nutrients | Free Full-Text | B Vitamins and One-Carbon Metabolism: Implications in Human Health and Disease](https://www.mdpi.com/nutrients/nutrients-12-02867/article_deploy/html/images/nutrients-12-02867-g001.png)
Nutrients | Free Full-Text | B Vitamins and One-Carbon Metabolism: Implications in Human Health and Disease
![Folate and Vitamin B12 Metabolism: Overview and Interaction with Riboflavin, Vitamin B6, and Polymorphisms | Semantic Scholar Folate and Vitamin B12 Metabolism: Overview and Interaction with Riboflavin, Vitamin B6, and Polymorphisms | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/697896594b2e908beae4f173b0f71a2e182a936d/3-Figure2-1.png)
Folate and Vitamin B12 Metabolism: Overview and Interaction with Riboflavin, Vitamin B6, and Polymorphisms | Semantic Scholar
![Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fejcn.2013.232/MediaObjects/41430_2014_Article_BFejcn2013232_Fig1_HTML.jpg)
Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition
![Disorders of cobalamin (Vitamin B12) metabolism: Emerging concepts in pathophysiology, diagnosis and treatment - ScienceDirect Disorders of cobalamin (Vitamin B12) metabolism: Emerging concepts in pathophysiology, diagnosis and treatment - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0268960X06000397-gr1.jpg)
Disorders of cobalamin (Vitamin B12) metabolism: Emerging concepts in pathophysiology, diagnosis and treatment - ScienceDirect
![PDF] Low Vitamin B12 and Lipid Metabolism: Evidence from Pre-Clinical and Clinical Studies | Semantic Scholar PDF] Low Vitamin B12 and Lipid Metabolism: Evidence from Pre-Clinical and Clinical Studies | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7c447667e691260b209979592a23beb7f33e25e1/3-Figure1-1.png)
PDF] Low Vitamin B12 and Lipid Metabolism: Evidence from Pre-Clinical and Clinical Studies | Semantic Scholar
![Cellular (hepatocyte) uptake and metabolism of vitamin B12 (B12): Cells... | Download Scientific Diagram Cellular (hepatocyte) uptake and metabolism of vitamin B12 (B12): Cells... | Download Scientific Diagram](https://www.researchgate.net/publication/342522513/figure/fig1/AS:907710769930240@1593426520529/Cellular-hepatocyte-uptake-and-metabolism-of-vitamin-B12-B12-Cells-generally.png)
Cellular (hepatocyte) uptake and metabolism of vitamin B12 (B12): Cells... | Download Scientific Diagram
![Disorders of cobalamin (Vitamin B12) metabolism: Emerging concepts in pathophysiology, diagnosis and treatment - ScienceDirect Disorders of cobalamin (Vitamin B12) metabolism: Emerging concepts in pathophysiology, diagnosis and treatment - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0268960X06000397-gr2.jpg)