Excipients such as sorbitol, mannitol (sugar alcohols), lactose (in those with intolerance), and various binding agents or fillers may contribute to gastrointestinal symptoms
The high-dose group (1000 mg/day) achieved a 31% increase in whole blood and a 35% increase in erythrocytes
In practice, that often means: Your provider may be comfortable starting a standard daily vitamin D supplement without ordering labs first if: You are generally healthy You are taking a modest daily dose in the typical range You do not have bone disease or other conditions that raise concern Your provider is more likely to want vitamin D blood work if: You have a history of osteoporosis or frequent fractures You have conditions that affect vitamin absorption You are on medicines that change vitamin D or calcium metabolism You are considering higher dose or long term vitamin D plans beyond typical daily intake Vitamin B12 Vitamin B12 is crucial for red blood cell formation, nerve health and DNA production
It does not provide instructions for human use, dosing, administration, veterinary use, or any non-research application
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Equitable healthcare starts here: Industry takes aim at increasing diversity, equity, & inclusion in clinical trials