Hi guys,

I have a supplement shop, and trying to acquire backlinks by blog comments.
My question is how should i comment on a blog so it doesn't look spammy.
For instance, i wrote high-class content about the hormone testosterone.
I see today a new article about some new research about the hormone on some medical blog. What is an effective strategy to comment on such an article to get a backlink?
please help.
Thanks.

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