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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
car seat base for britax Britax Willow SC Infant Car Seat with Alpine BaseTravel with confidence with the Willow SC infant car seat. This travel car seat includes the Alpine car seat base for secure attachment in your vehicle. First time jitters? Gone. Britax is the only brand with ClickTight technology, so you know it can be installed securely on the first ride and beyond. The RightSize system provides adjustment points at the hips, shoulders, and between the legs to help you find the perfect fit from the start. The
Travel with confidence with the Willow™ SC infant car seat. This travel car seat includes the Alpine™ car seat base for secure attachment in your vehicle. First-time jitters? Gone. Britax is the only brand with ClickTight® technology, so you know it can be installed securely on the first ride and beyond. The RightSize™ system provides adjustment points at the hips, shoulders, and between the legs to help you find the perfect fit from the start. The ReboundReduce™ stability bar on the Alpine car seat base helps minimize movement in a crash for peace of mind while you’re on the move. Made for multitasking, this Britax infant car seat features an aluminum carry handle that easily adjusts with one hand to keep the other hand free. The lightweight design makes transport a breeze, and the SpaceSaver™ design frees up backseat space while giving your child plenty of room for the ride. Plus, the removable car seat cover is washer and dryer-friendly, which means no more hand-washing or waiting for fabrics to air dry. When it's time to cruise, you can attach this car seat to the Britax Brook™, Brook+, or Grove™ stroller in both parent-facing and forward-facing modes.
- Infant Car Seat and Base: The Willow™ SC infant car seat includes the Alpine™ car seat base
- Comfortable Fit: Designed for rear-facing use only for 4 to 30 pounds and up to 32 inches
- Install Confidently: Britax is the only brand with ClickTight® technology, so you know it can be installed securely on the first ride and beyond
- ClickTight Indicator: Helps provide a visual guide while installing the base. *Indicator window may vary by model. Refer to user guide for specific instructions.
- Find the Perfect Fit: The RightSize™ system provides adjustment points at the hips, shoulders, and between the legs to help you find the perfect fit
- Ultra-Portable: This baby car seat features an aluminum carry handle that adjusts easily with one hand
- Easy to Clean: StayClean™ and SafeWash® fabrics resist stains, moisture, and odors and are safe for the washer and dryer
- No Added FR Chemicals: Fabric is naturally flame-retardant with no added FR chemicals
- SafeCell® Technology: Manages energy and minimizes the force transferred to your baby
- Side Impact Tested: Helps protect your child’s head, neck and torso for peace of mind
- ReboundReduce™ Stability Bar: Helps minimize movement in a crash
- Quick-Push LATCH Connectors: These connectors help you lock it into place securely with a click and release with the push of a button
- Easy Recline: Spring-assist recline lets you find the perfect installation angle with level indicators as a guide
- Plush Comfort: Extra cushioning on the harnesses and infant insert pillows offer safe, comfortable rides
- Infant Insert Pillows: Designed to provide a more customized fit for newborns under 11 lbs; made with plush fabrics for premium comfort
- Base-Free Stability: Extra belt path on the back of the seat for added security when installing without the base
- Easy In-and-Out Design: The harness holders and flip-forward belly pad make it easy to get your baby in and out
- SpaceSaver™ Design: The slim design saves space in your backseat while leaving enough room for your little one to ride comfortably
- Sun Protection: A UPF 50+ canopy and flip-out sun visor shield your baby from the sun
- Peek-a-Boo Window: Check on your little one through the peek-a-boo window with the quiet magnetic closure
- Compatible with Our Strollers: This 5-point harness car seat is compatible with the Britax Brook™, Brook+, and Grove™ strollers
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 554 reviews
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Product Reviews
★★★★★ 4
Simple Magnesium Powder That Is Easy Enough to Take
I just started taking this Magnesium Citrate powder, so it is too early to know if it will help with things like muscle support, heart health, bone health. Magnesium is an important mineral for the body and it plays a role in muscle function, nerve signaling, and overall balance, so I like the idea of adding it to my routine.
The citrus berry flavor is not too horrible, which is a pleasant surprise because some magnesium powders can taste pretty rough. This one is easy enough to drink without feeling like you have to force it down. I also like that it is third party certified and comes with a full sixty servings.
I will need more time to see if it makes a noticeable difference, but so far the experience has been simple and the taste is manageable.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
2 months supply, tasty berry bubblegum flavor, no morning cramps.
I've been taking Magnesium supplements for a long time, usually in capsule form. Starting from about age 45 I kept getting these awful morning calf cramps. Especially stretching, or on cold morning. The sudden agony was unexpected and concerning. Magnesium is the answer and this water-soluble magnesium from Thorne is no exception.
For this particular problem, calf cramps. The results are noticable within a couple of days. If I stop taking magnesium for 3-5 days the cramps come back.
Thorne powder has a berry flavor that is very similar to bubble gum. It dissolves easily without leaving any lumps. Is great to help you take your other supplements. I've been taking this for about 3 weeks with no cramps. Price is a little higher than capsules typically are. This works for me and the tub should last two-months if you follow the directions.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Easy Way to Add Magnesium Support
Magnesium is one of those supplements many people find helpful as part of their wellness routine. The powder format makes it easy to adjust serving sizes and mix into drinks.
One thing I liked was the citrus berry flavor, which made it more pleasant than many unflavored supplements. Overall, a convenient magnesium option from a well-known brand
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Great Taste and Mixes in Water Well
I’ve been using this magnesium citrate powder for a little while now, and overall it’s been a positive experience. One of the standout aspects is how well it mixes. It dissolves easily in water with minimal residue, which makes it much more convenient compared to some other powdered supplements I’ve tried. The citrus berry flavor is also quite good: light, slightly sweet, and easy to drink without being overpowering. The powder format makes it simple to adjust how you take it (more or less water, etc.), and I didn’t notice any strong aftertaste. From a general usability standpoint, this checks the boxes I look for in a supplement: good taste, easy mixing, and consistent quality. Thorne also has a strong reputation, and this product feels in line with that in terms of formulation and overall experience. As with any supplement, individual experiences can vary, but from a taste, mixability, and convenience perspective, this has worked well for me. Overall, this is a solid option if you’re looking for a magnesium citrate powder that’s easy to take on a regular basis.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Great Magnesium Blend That Actually Works
Size: 100 Count (Pack of 1), Size: 100 Count (Pack of 1)
I’ve been taking Life Extension Magnesium Caps (500 mg) for a few weeks now, and I can really feel the difference. It’s a blend of magnesium oxide, citrate, and succinate, and I’ve noticed improved sleep quality and fewer muscle cramps at night. The capsules are easy to swallow and don’t upset my stomach, which has been an issue with other magnesium supplements I’ve tried. Plus, I like that they’re vegetarian-friendly and come in a 100-count bottle, which lasts a good while.
What I appreciate most is how balanced this formula feels. I take it mainly for sleep, muscle support, and overall well-being, and I genuinely notice I feel more relaxed, especially in the evenings. For the price and quality, it’s a great value. I’ll definitely keep this one in my daily routine.
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Reviewed in the United States on June 18, 2025