A Ninja smoothie maker, specifically the Ninja SmoothieiQ (model CO750B), is a full-size countertop blender built around one main job: making consistent smoothies with minimal guesswork. I bought mine after years of fighting with a cheaper blender that left chunks of frozen banana floating in every batch. I wasn’t looking for anything fancy, just something that could handle daily smoothies without babysitting it the whole time. Here’s what I’ve found after putting it through regular use.
What Is the Ninja SmoothieiQ?
The Ninja SmoothieiQ is a full-size blender with a large 72-ounce pitcher, built around a single automatic Smoothie program that handles timing and speed for you.
A few core specs worth knowing upfront:
- 1400 peak watts of motor power
- 72-ounce BPA-free pitcher, big enough for family-size batches
- Total Crushing stainless steel blades, designed to break down ice and frozen fruit
- Low, High, and Pulse manual settings, plus the automatic Smoothie program
- Dishwasher-safe pitcher, lid, and blade assembly
It’s a more basic model in Ninja’s overall lineup — no personal cups, no extra attachments, just one solid jar built specifically around smoothies.
How Does It Actually Perform?
In my experience, this is where the Ninja earns its reputation. The Total Crushing blades genuinely live up to the name when it comes to ice and frozen fruit.
Ice and frozen fruit: This is the SmoothieiQ’s strongest area. Frozen banana, berries, and ice all break down smoothly without needing extra liquid or multiple blending rounds.
Leafy greens: Spinach blends in fine. Tougher greens like kale or celery need a bit more patience — I usually run the auto program twice if I’m using a lot of fibrous greens, similar to what I’ve read in other independent testing of Ninja blenders.
Large batches: The 72-ounce pitcher is genuinely useful if you’re making smoothies for more than one person, or prepping a few servings ahead for the week.
Noise: It’s loud, full stop. Most full-power blenders are, so this isn’t unique to Ninja, but it’s worth knowing if you’re blending early in the morning in a house where other people are still asleep.
What I Like About It
A few things that have made this my go-to over cheaper blenders I’ve owned before:
- The auto Smoothie program actually works. Press one button, and it handles the timing without you guessing whether 30 or 60 seconds is right.
- The pitcher size means fewer batches. I make smoothies for two without having to blend twice.
- Cleanup is simple. The pitcher, lid, and blades are all dishwasher-safe, which matters more to me day to day than almost any other feature.
- It feels sturdy. The base has a wide footprint and doesn’t rattle around the counter even on the high setting.
If you’ve read my best blender for smoothies guide, you’ll know I weigh durability and ease of cleaning heavily — this model checks both boxes.
Where It Falls Short
Nothing’s perfect, and a few limitations are worth mentioning honestly.
- Limited versatility. Unlike higher-end Ninja kitchen systems, the SmoothieiQ doesn’t come with food processor attachments or personal cups — it’s built specifically for pitcher-style blending.
- Texture with fibrous greens isn’t café-smooth. If ultra-silky green juice is your priority, this isn’t quite at that level without extra blend time.
- Not designed for hot liquids. This is a cold-blending machine; don’t expect it to double as a soup maker.
- Manual speed control is fairly basic. Just Low, High, and Pulse — fine for smoothies, but less precise than blenders with multiple speed increments.
None of these are dealbreakers if smoothies are genuinely your main use case, which is exactly what this blender is built for.
Is the Ninja SmoothieiQ Worth the Price?
For a blender focused specifically on smoothies, I think it holds up well. It’s priced in the affordable-to-mid range compared to high-end blenders, while still delivering on the one thing it promises: consistent, ice-crushing, frozen-fruit-friendly smoothies without much effort.
If you’re someone who blends primarily smoothies — not soups, not nut butters, not dough — this is a reasonable, no-frills option. If you want a single appliance to replace several others in your kitchen, you’ll likely want to look at a more feature-packed model instead.
Ninja SmoothieiQ vs. Other Ninja Blenders
| Factor | Ninja SmoothieiQ | Higher-End Ninja Models |
|---|---|---|
| Primary focus | Smoothies | Smoothies + food processing, soups, etc. |
| Pitcher size | 72 oz | Often similar, sometimes with personal cups too |
| Attachments | None included | Food processor blades, personal cups, more |
| Price | Lower | Higher |
| Best for | Smoothie-focused households | Multi-purpose kitchens |
If your smoothie habit is the main reason you’re shopping for a blender at all, the SmoothieiQ is built around exactly that use case rather than trying to do everything.
How I Use Mine Day to Day
My typical routine: frozen fruit, a liquid base, and whatever add-ins I’m using that day, all loaded before hitting the Smoothie button. I rarely use the manual settings unless I’m making something thicker, like a pulp smoothie where I want more texture and less full liquefying.
For pigment-heavy smoothies, I’d also recommend rinsing the pitcher quickly after blending — beet and berry smoothies can leave some staining if left to sit, the same issue I cover in my colorful smoothie ingredients guide.
FAQ
How many watts does the Ninja SmoothieiQ have? It runs on a 1400-peak-watt motor, which is enough to handle ice and frozen fruit consistently.
What size is the Ninja SmoothieiQ pitcher? The pitcher holds 72 ounces, making it suitable for large batches or multiple servings at once.
Is the Ninja SmoothieiQ dishwasher-safe? Yes, the pitcher, lid, and blade assembly are all dishwasher-safe.
Can the Ninja SmoothieiQ handle hot liquids? No, it’s designed for cold blending only, not hot soups or liquids.
Does the Ninja SmoothieiQ come with extra attachments? No, this model is focused specifically on smoothie-style pitcher blending, without food processor or personal cup attachments.
Key Takeaways
- The Ninja SmoothieiQ (CO750B) is a 1400-watt, 72-ounce blender built specifically for smoothies.
- It handles ice and frozen fruit very well, with a one-button automatic Smoothie program.
- Fibrous greens may need extra blend time for a fully smooth texture.
- It’s not built for hot liquids or multi-purpose food processing.
- For smoothie-focused households, it’s a solid, low-fuss option at a reasonable price point.