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Extra B12 is usually removed from the body within 48 hours, depending on urine volume
By age 60, that concentration has fallen to approximately 80 ng/mL, a 60% decline that correlates directly with reduced healing capacity, collagen loss, and visible aging
These are mechanistic observations from separate preclinical studies, not outcomes confirmed in combination trials
Cost and Accessibility : Oral supplements are generally more budget-friendly and dont require medical appointments
Thats why I like to assess a client's blood work before starting any supplement regimen, she explains
Can I use HSA or FSA funds
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