[gardenfelder]

Best to use ground black pepper when you use turmeric: that increases the bioavailability of the curcumin

[ajb]

I read (I think in a hn comment a while back, that the reason black pepper increases the bio availability of Turmeric is that it broadly increases the bioavailability of everything in your gut at the time. Which is probably not what you want.

(Will now go and look for the comment and edit here if I find it)