No. They're the only two vendors. Kuk jeruk was the only one that did anything from them to be honest. I'm quite new to kratom so maybe it's harder for me to tell good from bad but I tried several sample packs from kuk. Kratombirds red maeng da blew them all away. I mean, it wasn't "amazing" but you could definitely feel it and it lasted. I guess it also depends why you're taking it? For me it was purely recreational. It seems strength changes with batches too so when they get some more red maen