See also Antibiotics (General)

Amoxicillin is a relative of the antibiotic penicillin, but has been modified to have a broader spectrum of effect.

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Bromelain  

Possible Helpful Interaction

According to two studies, the supplement bromelain (from pineapple stems) may increase the absorption of amoxicillin. 1,2 This effect might help the antibiotic work better.

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Vitamin K  

Possible Nutritional Depletion

There are concerns that antibiotic treatment might reduce levels of vitamin K in the body. However, this effect seems to be slight, and only significant, if at all, in individuals who are already considerably deficient in vitamin K. 3–6