natural
adjective
uk/ˈnætʃərəl/ usas found in nature, and not involving anything made or done by people:
natural flavourings/foods/ingredients Over 50% of all cosmetics products in the Chinese market are advertised as consisting of natural ingredients.
They are implementing a major economic recovery programme after the country's worst-ever natural disaster.
normal or expected:
Having seen the value of their shares collapse, it was only natural for shareholders to complain.
For the customer, the natural choice is a repayment mortgage, not an endowment.
used to describe an ability or a characteristic that someone was born with:
He was a natural leader.