is b12 tablets as good as injections Vitamin for MTHFR: Injection or sublingual B12? – Methyl-Life® Supplements Can you take a B12

Additionally, excessive alcohol consumption can affect vitamin B12 absorption and metabolism, potentially reducing the efficacy of the cyanocobalamin component

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labs looks like this: Normal range: 200 to 900 pg/mL (some labs use 160 to 950 pg/mL) Optimal range: 400 to 600 pg/mL Elevated: above 900 to 1,000 pg/mL (hypercobalaminemia) These ranges come from sources including UCSF Health and WebMD, though your labs specific cutoffs may differ

In summary: This injection covers a broad range of B vitamins but excludes B by design