
Reguardless of the strenth all the packages state the same serving size.
You do the math:
Links
[1] https://pureleafkratom.com/products/opia-skyward-7-hydroxymitragynine-chewable-tablet-wild-berry-130mg.html
[2] https://rethinkpot.org/tags/kratom
[3] https://rethinkpot.org/sites/default/files/opia kratom extract.jpg