The amount varies depending on age, dietary intake, and medical conditions
However, only very small amounts are needed and, although theres limited evidence to suggest what effects high doses may have, you should avoid taking too much as this may be harmful
Although compounded drugs are permitted to be prescribed under federal law, they are not FDA-approved and do not undergo safety, effectiveness, or manufacturing review
PubMed laboratory research record [PMID: 19102506] PubMed record related to this compound for laboratory literature review
And if you've celebrated your 50th birthday, your body naturally becomes less efficient at extracting B12 from food just one of those unwelcome aging "perks" we all look forward to
It explains: This occurs on the edge of the tongue, along one side or the other or at the tip