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Thats because its potentially unhealthy to take dietary supplements and injections that contain large doses of B vitamins, especially over the long term
Certain foods contain vitamin B12 and Harvard Health Publishing, part of Harvard Medical School, offers the A list of B12 foods on its website
Sample DSIP Nasal Spray Dosing Protocol For reference, we are including a sample dosing protocol for researchers studying DSIP and using a nasal spray that contains 50mcg of DSIP per dose (spray)
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