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A recent analysis using Mendelian randomization showed that genetically predicted homocysteine levels increased the odds of NAFLD.[ref] Related article: NAFLD genes Cardiovascular disease: To answer the question of whether a modestly elevated homocysteine level is causally associated with an increased risk of cardiovascular disease, researchers again used huge genetic data sets and Mendelian randomization to determine causality

Expect a workup: Blood tests and sometimes imaging are part of getting answers

Natural killer cytotoxicity increased two fold in the high-dose group versus placebo at 3 months

Individual factors like age, weight, and baseline IGF-1 guide dose adjustments

After receiving treatment with vitamin B12 lozenges, there was a significant improvement in urinary markers suggesting that the sublingual vitamin B12 was effective in improving vitamin B12 levels

doi: 10.1210/en.2018-00344 323 CohenJPretoriusCJUngererJPJCardinalJBlumenthalAPresneillJet al