![Sthanu on X: "@AaronGoodman33 methylmalonic acid (MMA) Homocysteine and MMA are elevated in B12 deficiency while only homocysteine, and not MMA, is elevated in folate deficiency. https://t.co/QcXv60I02j" / X Sthanu on X: "@AaronGoodman33 methylmalonic acid (MMA) Homocysteine and MMA are elevated in B12 deficiency while only homocysteine, and not MMA, is elevated in folate deficiency. https://t.co/QcXv60I02j" / X](https://pbs.twimg.com/media/Fc_Oh4BaAAEuXfj.jpg)
Sthanu on X: "@AaronGoodman33 methylmalonic acid (MMA) Homocysteine and MMA are elevated in B12 deficiency while only homocysteine, and not MMA, is elevated in folate deficiency. https://t.co/QcXv60I02j" / X
![Methylmalonic acid, vitamin B12, renal function, and risk of all-cause mortality in the general population: results from the prospective Lifelines-MINUTHE study | BMC Medicine | Full Text Methylmalonic acid, vitamin B12, renal function, and risk of all-cause mortality in the general population: results from the prospective Lifelines-MINUTHE study | BMC Medicine | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs12916-020-01853-x/MediaObjects/12916_2020_1853_Fig1_HTML.png)
Methylmalonic acid, vitamin B12, renal function, and risk of all-cause mortality in the general population: results from the prospective Lifelines-MINUTHE study | BMC Medicine | Full Text
![JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency](https://www.mdpi.com/jcm/jcm-09-02335/article_deploy/html/images/jcm-09-02335-g002.png)
JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency
![What's a better test for vitamin B12 deficiency: methylmalonic acid (MMA) or homocysteine? • The Blood Project What's a better test for vitamin B12 deficiency: methylmalonic acid (MMA) or homocysteine? • The Blood Project](https://www.thebloodproject.com/wp-content/uploads/2022/07/image-5.png)
What's a better test for vitamin B12 deficiency: methylmalonic acid (MMA) or homocysteine? • The Blood Project
![Full article: Clinical relevance of testing for metabolic vitamin B12 deficiency in patients with polyneuropathy Full article: Clinical relevance of testing for metabolic vitamin B12 deficiency in patients with polyneuropathy](https://www.tandfonline.com/cms/asset/1e7562bd-f8b0-470f-90ef-c1540cae31de/ynns_a_1985751_f0004_ob.jpg)
Full article: Clinical relevance of testing for metabolic vitamin B12 deficiency in patients with polyneuropathy
Article: Association of vitamin B12, methylmalonic acid, and functional parameters (full text) - February 2020 - NJM
![JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency](https://www.mdpi.com/jcm/jcm-09-02335/article_deploy/html/images/jcm-09-02335-g001-550.jpg)
JCM | Free Full-Text | Diagnostic Performances of Urinary Methylmalonic Acid/Creatinine Ratio in Vitamin B12 Deficiency
![PDF] Myeloneuropathy from nitrous oxide abuse: unusually high methylmalonic acid and homocysteine levels. | Semantic Scholar PDF] Myeloneuropathy from nitrous oxide abuse: unusually high methylmalonic acid and homocysteine levels. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/310dddeec548ba4cfb4ddc4e60d45f5147b22ce6/2-Figure1-1.png)
PDF] Myeloneuropathy from nitrous oxide abuse: unusually high methylmalonic acid and homocysteine levels. | Semantic Scholar
![Relationship between methylmalonic acid, homocysteine, vitamin B12 intake and status and socio-economic indices, in a subset of participants in the British National Diet and Nutrition Survey of people aged 65 y and Relationship between methylmalonic acid, homocysteine, vitamin B12 intake and status and socio-economic indices, in a subset of participants in the British National Diet and Nutrition Survey of people aged 65 y and](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsj.ejcn.1601540/MediaObjects/41430_2003_Article_BF1601540_Fig1_HTML.gif)
Relationship between methylmalonic acid, homocysteine, vitamin B12 intake and status and socio-economic indices, in a subset of participants in the British National Diet and Nutrition Survey of people aged 65 y and
![PDF] Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer | Semantic Scholar PDF] Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/342170743079b86b4fb8b1db90a5686ca20dc64a/9-Table4-1.png)