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Many people with a deficiency describe deep fatigue, including an "afternoon crash." With infrequent dosing, blood levels can peak and then taper before the next visit
Chang and his team also encourage patients to take a few calming breaths beforehand to relax the muscles and make the process more comfortable
For athletes, maintaining optimal B12 levels can mean the difference between a great workout and hitting a wall
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A history of pernicious anaemia
ISSN 1873-0183
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