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Nutrient Deficiencies Vitamin B2, B6, and folate work in combination with Vitamin B12, especially to keep homocysteine levels low

I., Patel, K., Brdak, A., Heffernan, J., & Ahmad, N

10.1038/npp.2010.114 Neuropsychopharmacology 100 SchwabeL.JolsM.RoozendaalB.WolfO.OitzlM

First, sublingual bioavailability consistently exceeds oral bioavailability, often by an order of magnitude

Front Neurosci 2022;16, 1027116, doi:10.3389/fnins.2022.1027116
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