SUMMARY: The Food and Drug Administration (FDA) is issuing regulations requiring the sponsor of any drug, including a biological product, or device marketing application (applicant), to submit certain information concerning the compensation to, and financial interests of, any clinical investigator conducting certain clinical studies.
The B Vitamins are considered to be the âstressâ vitamins, based on the perceptions that these vitamins are more rapidly depleted in people who are more âstressedâ. Multivitamins like Stresstabs trade on this image. Among the B vitamins, B12 is often held out as as an almost miraculous energy booster.
The vitamin B12 blood test isnât always accurate, so itâs important to pay attention to symptoms. If you feel tired all day, then you might require extra doses of vitamin B12 for increased stamina. Popular sources of vitamin B12 supplements for the chronically tired include: Vitamin B12 injections.