I think we are talking past each other actually - I read your question "how did it make you healthier?" as in "how did it act to make you healthier?" and now I

I think we are talking past each other actually - I read your question "how did it make you healthier?" as in "how did it act to make you healthier?" and now I think you were saying "how did you determine it made you healthier?". Ambiguity of English strikes again...