Red blood cells carry oxygen throughout your body, and a deficiency in B12 can lead to anemia, which causes symptoms such as fatigue, weakness, and pale skin
Kour V, Swain J, Singh J, Singh H, Kour H
Clinical research established that the most commonly effective range is 250-500 mcg (0.25-0.5 mg) administered once daily via subcutaneous injection
"We emphasize that as the clinical investigator, it is your responsibility to ensure that studies are conducted in accordance with the investigational plan, both to protect the rights, safety, and welfare of subjects and to ensure the integrity of study data." FDA noted that two of the nine randomized subjects who received the investigational product were not eligible under the enrollment criteria
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