Houttunyia source?

As some of you know, I have added Buhner's herbs to my abx.
I am currently on Japanese Knotweed, Cat's Claw capsules from Green Dragon for lyme.
I have recently addeded Sida Acuta tincture from Woodland Essence for Bart, and will be adding the cryptolepis into my schedule today. (It's not in the bart protocol, buy my LLND wants me to take it, as he feels it's good for all infections).

I am now wanting to order the houttunyia (can't spell it) - on the website Buhner recommends 1st Chinese herbs as a source.
I am needing to order more Sida Acuta and I see the Woodland Essence does sell the houttunyia tincture.

Since Woodland Essence is a source Buhner recommends...is it okay for me to get the houttunyia from there?

I also need more Pinella nerve cleanse...but I guess that will have to be a separate order.

I'm thinking there isn't another source for the Woodland Essence products - so looking like two orders.

Thanks all for your replies.

I have been happy with Woodland Essence so far - I guess I will have to order the pinella nerve cleanse by itself.

I just got some Houtt. bulk tea from 1st Chinese herbals.
I am starting to think the herbs in tea form are much more potent than the tinctures and capsules. Of course it depends on how strong you make the tea. The tea tastes good too.