Any BHO In the dispensary (depending on state) is allowed up to 800ppms -5000ppms and I'm sure some don't even have a regulation in place for that you can read up on side effects of BHO...
Its probably safe to say it's not life threatening to use BHO... people do it...it's probably safe to take a shot glass of gasoline too
If you want a cleaner form of medicine I would use a food safe ethanol for my extraction
I make these and planned on making some for a friend of mine because he needs them
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Tbh I would make a FSCO syringe and just give that to your friend it's small convenient concealable potent and you just drop a dab in your tea coffee mix it with a food or just put it directly on you tongue and take with a beverage
Saves you a lot of work and time and it has a ml measurement on the side of the syringe so he can dose properly
I'm making a "how to" on these after I harvest you should follow and keep a eye out