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Serum trace element levels in COPD patient: the relation between trace element supplementation and period of mechanical ventilation in a randomized controlled trial
Animal studies offer more mechanistic detail, showing effects on serotonin synthesis and inflammatory markers, but animal findings do not always translate directly to human outcomes
Wang H, van Spyk E, Liu Q, Geyfman M, Salmans ML, Kumar V, Ihler A, Li N, Takahashi JS, Andersen B (2017) Time-restricted feeding shifts the skin circadian clock and alters UVB-induced DNA damage
It provides the highest bioavailability by bypassing digestion entirely
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