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That is a little different from: Getting B12 from foods like meat, fish, eggs, or dairy Taking B12 by mouth in a pill or liquid form Using sublingual B12 that dissolves under the tongue None of these options is always better for everyone

Individual variability in glycine metabolism, baseline dietary intake, and genetic factors likely influence response

Since my medical insurance will not cover the cost of the medication because I am only overweight and not obese

Prior to your appointment ensure you are fully hydrated, this helps when finding a vein to canulate, also wear clothing with loose or short sleeves so arms are accessible

Lets examine this issue in light of scientific data