K2シロップは添加物が多く副作用が心配だから服用しないほうがいい？

Original review summary

The review says K2 syrup is used to prevent vitamin K deficiency bleeding in newborns and reports that its additives’ safety has been confirmed. It notes two reported cases of serious side effects, while stating that a direct causal link was not sufficiently established and that overall safety concerns remained low. The review also says food or a mother’s diet cannot reliably substitute for the syrup.[S1]