NUK Smooth Flow Bottles are the anti-colic solution for bottle feeding, featuring a unique nipple design that allows baby to control the flow rate for colic-free feeding. This Smooth Flow nipple adjusts the flow based on how your baby drinks, adapting to their suction strength to ensure they will always have the right flow rate. The SafeTemp temperature indicator lets you know when milk is too hot with just a glance. The blue thermometer indicator fades when milk is too hot and reappears when milk has cooled and is safe to drink. Bottle colors may vary. Colors may vary.
Colors may vary
Specifications
Color:White & Blue
Model#:2109343
BPA-free:Yes
Material Type:80% plastic, 20% silicone
Where to Buy
The following link will take you to a site outside of NUK.
Rated 1 out of
5 by
Mamaja from
Dont waste your moneyYou're not able to get replacement nipples, so don't waste your money. You either have to switch to a pro. Nipple or buy nipples 2 for $30.
Date published: 2026-05-28
Rated 5 out of
5 by
RimshaM from
Recommend for those who have colic babyDuarabae quality vise so good material and cool design for baby who has colic problem, my baby feel comfort after I bought this bottle for him overall every quality is excellent.
Date published: 2026-03-04
Rated 5 out of
5 by
AllisonS from
La salud de los pequeños es importanteIt’s an excellent colic-reducing botte for newborns. I Highly recommend this product. I Love it!
It’s easy to wash I Love this product it is very safe for children
Date published: 2026-02-16
Rated 3 out of
5 by
charlenen33_9084 from
Not slow flow bottle, ok for older babiesThese may be anti-colic, but I do not feel they are good for a newborn. I almost threw them out, but kept them and tried again when my baby was 4 mo the old, and he does well with these now. They are not slow flow in my opinion, it was very obvious they had too fast of flow when my baby was 1-3 months old, I could not use them for him. Overall easy to clean and I do put them in my bottle washer.
Date published: 2026-02-04
Rated 5 out of
5 by
rachelz72_7072 from
Comfortable, easy-to-use bottle that helps reduceWe used the NUK Smooth Flow Anti-Colic Bottles and had a great experience. The nipple design feels very natural and allowed for a smooth, steady flow without causing fussiness. I noticed less gas and discomfort compared to other bottles we’ve tried. The bottle is lightweight, easy to hold, and comfortable for both baby and parent. I also appreciate that it doesn’t retain odors after washing and feels durable even with frequent use and sterilizing. Overall, it’s a reliable, well-designed bottle that truly supports comfortable feeding.
Date published: 2026-01-15
Rated 5 out of
5 by
IndieR from
I absolutely love NUK bottles - Thee bestThese bottles are shaped just like a real nipple and are easier to suck for baby. I like them bc I breast feed and she doesn't like normal bottles but the NUK bottles are easier to convince her to use. I rotate between my breast and the bottle and I don't have a hard time at all. Oh! They're anti colic too !!!
Date published: 2026-01-05
Rated 5 out of
5 by
meriahc_3924 from
Amazing!Finding the perfect baby bottle can feel like a quest, especially when trying to ensure a smooth transition between breast and bottle, or simply seeking a design that minimizes fussiness and colic. This bottle (let's call it the "ComfortFeed") delivers on all fronts, quickly becoming the favorite in our nighttime routine.
Design and Ergonomics (A Parent’s Dream)
The bottle’s ergonomic, curved design is a standout feature. It’s incredibly easy to grip, even when you’re half-asleep or juggling multiple tasks. Unlike standard cylinder bottles, this shape sits comfortably in the crook of the arm, allowing for a more natural, supported hold for both parent and baby. The material feels durable and the measurement markings are clearly legible, resisting wear even after numerous sterilization cycles. Crucially, it disassembles into just three easy-to-clean parts (bottle, ring, nipple), making washing a breeze—a major win for tired parents.
Functionality (Baby Approved)
The real test, of course, is how the baby takes to it. The natural-shaped nipple is designed to mimic the breast, which was essential for us as we combination-fed. Our newborn latched immediately with no confusion. The medium flow rate was perfect for their age, ensuring they got enough milk without gulping or choking.
The integrated advanced venting system works exceptionally well. We noticed a significant reduction in post-feed gas and fussiness. The air bubbles are visibly directed away from the liquid, meaning our baby was swallowing less air and more nourishment. This feature alone makes it worth the investment for any parent battling evening colic or discomfort.
Verdict
The ComfortFeed bottle is an investment in better sleep and calmer feeds. It combines smart, parent-friendly design with effective anti-colic technology that babies genuinely accept. For a reliable, comfortable, and fuss-free feeding experience, this bottle is highly recommended.
Date published: 2025-11-14
Rated 2 out of
5 by
Magie from
Don't BuyLove the bottles and so does my baby but can never find replacement nipples! They are always out of stock and no knows when they'll be back in.