12% of 34 verified Ninja Professional BL610owners don't recommend it — based on real owner comments from Reddit, enthusiast forums, and YouTube.
For balance: 76% recommend it. This page collects the complaints so you know what you're signing up for — read the full owner report for both sides. How we score
“The smoothie was chunkier than the milk at my grandmas house”— @samuelvalentine1349 on YouTube
“I tried blending it for like 3-5 mins, it comes out not chunky but still very gritty.”— Snarklord on Reddit
“If you want the best cheese possible using cashews, a Ninja won't quite do. You'll get a smoother result with a Vitamix-teir blender.”— howlin on Reddit
“Finally opened it today, and it died on the first blend. Started emitting toxic rubber-smelling smoke from the motor after 5 seconds.”— stewf on Meh Forum
“After three minutes of blending, the greens were still only partially broken down, making the smoothie come out a little grainy”— Tina Pham, Lap Vo, Nguyen Ntk on Shouldit (affiliate)
“Noise levels are loud on high speed, akin to a jet engine warmup, which might disturb light sleepers or quiet mornings”— anonymous on Tips Elite (affiliate)
“This is overpowering food processor at best. So much big chunks of green, how you call them smoothie?”— @myoti9831 on YouTube
“Lid falls apart so easily and they have cut corners in every part”— narenkk on Slickdeals
“Why is it so chunky . A smoothie needs to be .. well, smooth”— @dant3113 on YouTube
“It breaks pretty soon don’t buy it”— @valentincruz1212 on YouTube