Tech
The Best Juicer Is a Slow Juicer
Frequently Asked Questions
How We Tested and What We Tested
We put each juicer through the paces, funneling a mountain of vegetables and fruit through each device, testing especially its ability to handle both tough and fibrous veggies and softer produce such as greens and berries. We taste-test a classic green juice (apples, carrots, celery, cucumber, leafy greens) and a carrot-apple-ginger. We also compare both the yield and frothiness of the juice among different juicers, from the same recipe or the same fruit.
As of the most recent round of testing (January 2025), we also subjected each device to “torture tests” by intentionally not following instructions: loading produce in the wrong order, failing to chop ginger or pineapple, and leaving lemon in its peel, to see which devices spin fruitlessly or jam up sadly with fiber and pulp.
We test each device with a decibel meter, noting when it’s much louder or quieter than the 65 decibels one might reach during polite conversation. And we assess each device for ease of cleaning.
Some cocktails were also created, all in the name of research.
What Are the Different Types of Juicers?
Most all-purpose juicers fall into one of two types. Centrifugal juicers or masticating slow juicers that are also known as “cold press.”
A centrifugal juicer offers speed and a lot of power. In essence, it operates a bit like a blender with an added mesh screen to separate juice from pulp. A fast-rotating blade shreds fruit and produce and grinds them up against a mesh screen, often at a speed of thousands of revolutions per minute. Whatever passes through the mesh is the juice.
The power and speed mean centrifugal juicers are often whizzes at processing roots, pineapples, and other harder or dense-fibered produce that might pose difficulty for a slow-press auger. Softer fruits such as berries or leafy greens won’t do so well here, offering lower juice yields or even clogging up the mesh screens. Centrifugal juicers also tend to produce frothier juice, given the high agitation. That said, rotating quickly also makes them quick.
A masticating juicer—sometimes called a “slow” or “cold press” juicer—is both the newest trend in juicing and a much older technology. Basically, slow juicers operate on the same principle as an old-fashioned cider mill, slowly “chewing” and pressing fruit at a much lower rate, which some believe subjects fruits and vegetables to less oxidation and heat and thus preserves more of their essential character.
More verifiably, slow juicers tend to net higher juice yields and less waste than centrifugal juicers and are more effective in particular on leafy greens, soft fruits, and berries. They also add less froth and aeration to the resulting juice and produce more evenly textured results.
Masticating juicers were once loaded into a horizontal grinder and chute, which took some effort and required you to attend to juicing during the whole process. More recently, the advent of vertical masticating juicers from South Korea changed all that—with big hoppers one can load up, shrug, and depart from as the juicer does its work. The majority of juicers we’ve included in our guide, and all of our top picks, are now slow, masticating juicers.
We’ve also included a classic citrus juicer for simple orange, lemon, and lime drinks. These are quite simple devices and mostly the same as each other aside from style and ergonomics. Basically, you press a halved citrus fruit onto the ridged dome of a reamer and turn on the device. The reamer will twirl till the juice is juiced.
Masticating and centrifugal juicers can, of course, juice unpeeled citrus—and the added zest can be quite flavorful in lemon and lime juice. (Actually, this is my preference.) But to avoid such zestiness, you’d otherwise have to peel your citrus before loading into a juicing chamber. The easiest way to juice an orange will always be to halve it and press it against the ridged dome of a citrus juicer.
Are Juicers Good for Your Health?
Juicing is an easy way to add more fruit and vegetables to your diet, but it’s not a magic fix. There area few easy ways to maximize the health benefits and minimize drawbacks like blood sugar spikes.
WIRED contributing reviewer Emily Peck talked to Kylie Jane, nutritionist and founder of UK wellness brand SANA Wellness (unrelated to Korean juicer brand Sana Products), for her advice on healthy juicing. These are the five ways to ensure that juicing is a healthful addition to your life and avoid sugar overload.
- Balance fruit with vegetables: Fruits can contain a lot of sugar, so to combat this, make vegetables the base of your juices. Aim for a ratio of 80 percent vegetables to 20 percent fruits. Try spinach, kale, cucumber, celery, ginger, and beetroot. When adding fruits, go for those with a lower glycemic index like green apples, berries, and pears.
- Incorporate fiber: Juicing removes most of the fiber from fruits and vegetables, but it’s crucial for slowing down the absorption of sugar, aiding digestive health, and keeping you feeling full. Consider blending some of your juice with whole fruits or vegetables to keep some of the fiber intact. Alternatively, add a fiber supplement or incorporate some pulp in cooking or baking to ensure you’re getting enough.
- Add healthy fats: To stabilize blood sugar levels and increase satiety, incorporate sources of healthy fats into your juicing routine, such as avocado or coconut oil.
- Enhance with “superfoods”: Matcha and collagen are popular supplements that can easily be added to juices for an extra health boost. A teaspoon of matcha is rich in antioxidants and provides a gentle energy boost without the jitters of caffeine. Collagen may help with skin elasticity and hydration, as well as healthy hair, nails, and joints.
- Choose the right time to juice: Drinking juice on an empty stomach can sometimes cause blood sugar levels to spike more quickly. It’s often better to drink juice as part of a meal or after you’ve eaten some solid food, especially foods high in fiber, protein, or fats, to help slow down the absorption of sugar.
What Juicer Accessories Are Important?
Once you’ve decided what ingredients you want to put in your juicer—be it hard fruit or leafy vegetables—it will be easier to choose between a masticating “slow” juicer or a faster centrifugal design. Either way, it’s important to look for a juicer that comes with the relevant accessories you need. For tasks other than juicing—such as making nut milks and butters or ice creams and sorbets—you’ll need a juicer with the relevant food processing parts.
Also consider how much you’re willing to prep your ingredients. While there are regulations on the size of the feeding chute you can find due to safety reasons, some juicers are equipped to take a whole apple in one, which means less chopping. To make it even simpler, the most modern slow juicers, like those from Nama and Hurom, have self-feeding hoppers.
Dishwasher-safe parts are practical and save scrubbing time, but please be aware, even the easiest-cleaning juicers will take time and attention to clean. Pith, rind, pulp, and juice are sticky and messy. That’s just how it is.
A Reverse button is another useful feature to look for, especially with slow juicers. This allows you to reverse the juicing process should you overeagerly stack your juicer and ingredients gets stuck.
Other Juicers We Liked
Photograph: Matthew Korfhage
Tribest Slowstar AI Vertical Hopper Juicer for $600: I’m still testing the full capabilities of this brand-new device from Tribest—perhaps the most interesting new juicer of the past couple years. While the rest of the kitchen went smart, most juicers have remained resolutely analog. But this Tribest is a touchscreen device with preset spin speeds for individual vegetables and an AI-controlled function that modulates spin speed depending on the resistance of each produce item. This seems to work, making this thing an absolute beast for pitching through tough lemon peels or ginger. So far, so good! But there are compromises, including a smaller hopper size and a lower continuous operating time than my top picks. And while its screen-free hopper and feeder design is easy to clean, it’s still not as simple to clean and reassemble as the Hurom H70, and there are more parts to keep track of. And so upon initial testing, it remains just below the top-pick threshold, as I continue to suss out the device’s performance.
Photograph: Emily Peck
Kuvings AUTO10 Juicer for $730: The Kuvings AUTO10 is the original big-big-big juicer, a 3-liter hopper meant for large batches without ever having to load an extra carrot or an extra batch of spinach. The extra liter of space over the J2 will matter to some power users. The stainless steel blade and added strainers on the AUTO10 Plus upgrade are also nice touches. But this size comes at the expense of bulk and height—making this a difficult fit for most kitchen counters. While this Kuvings is a slightly higher-watt machine than the Nama J2, the versatility of the J2’s multiple hoppers and accessories, and its US-based customer service, gives the Nama a slight edge. But if you know you’re a big-batch juicer, you will not go wrong with this Kuvings.
Photograph: Emily Peck
Omega Juicers VSJ843RR for $399: WIRED contributing reviewer Emily Peck tested and recommended this juicer in previous versions of this guide, praising its excellent juice and high yield. But the device is less intuitive than the current generation of high-end juicers, leafy greens required a bit of fiddling to push through the feeder tube, and the device struggled with fibrous vegetables such as pineapple and broccoli.
Photograph: Emily Peck
Sana 707 Cold Press Juicer for $200: This is a classic horizontal juicer, the style in vogue for much of the previous century. It offers a lot of versatility, with attachments for anything from coffee to pasta. And it’s economical, as compared to hopper-style juicers. But as with other skinny-mouth feeders, you’ll find yourself hand-feeding carrots and celery and little apple wedges to make a juice batch.
Omega Time-Saving Batch Juicer for $226: WIRED had previously recommended this set-and-forget model from Omega as a budget slow juicer, despite lower performance than top picks that cost twice as much. But we’ve put it back on the testing bench after seeing some consumer feedback about durability, and for now we’re more likely to recommend fast-spinning centrifugal juicers as a budget option.
Omega Juicers Wide Mouth Cold Press Juicer JC4000 for $135: On the one hand, this Omega wide-mouth is quite economical for a slow cold-press juicer. But it’s also a lot of fiddly work to assemble it properly, it leaves a fair amount of pulp unextracted, and despite its “wide-mouth” name, requires a bit of chopping to feed fruits that aren’t carrots or celery through its vertical feeder—at least as compared to newer-model hoppers. It’ll get the job done, for not a lot of money. But you may not fall in love with it, and as a budget cold-press pick I prefer Omega’s batch model.
Gone but not forgotten: The Sana 868 wide-mouth vertical juicer ($300) is still gettable on Amazon, but it’s listed as discontinued on Sana’s site. The 868’s feeder-tube style is not in vogue at the moment, but the utility for this device comes from the low cost and the coarser screens that allow this device to be used for both juicers and smoothies. This said, if you mostly make smoothies in the morning, a blender is a whole lot easier to clean.
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On February 28, United States and Israeli forces launched a series of strikes on Iran, kicking off turmoil in the Middle East.
Pete Hegseth, the secretary of the Department of Defense, said in a recent press conference that the operation could last as long as eight weeks. President Donald Trump himself said in a press conference on March 2 that the administration projected the operation would last four or five weeks but had “the capability to go far longer than that.”
This week Iran has responded in turn, attacking Israel, regional US embassies and military bases, and other sites across the Middle East. Iran has peppered neighboring countries with hundreds of drone and ballistic missile strikes since the operation began. While many of these have been intercepted, over a thousand people have died in the region and multiple buildings have been damaged, including luxury hotels in Dubai, US military bases and embassies, and international airports and marine ports.
Israel has also started bombarding Lebanon, following strikes at the country by the Lebanese militant group Hezbollah.
The Trump administration has given various, and at times seemingly contradictory, justifications for the military action, citing everything from potential “nuclear threat” to unverified claims that Iran attempted to interfere in the 2020 and 2024 US presidential elections. As of March 5, Congress, which in the US has the sole power to declare war, has not done so.
The attacks have already disrupted supply chains, creating uncertainty for the oil and gas and fertilizer industries as key infrastructure has been targeted or shut down out of caution. Shipping traffic has halted along the Strait of Hormuz, a critical route.
As the conflict continues to escalate and expand, WIRED is tracking which countries have been affected and how. This article was last updated on March 5.
Iran
As of March 4, Iranian state media estimates that over 1,000 people have died in the country since the US-Israeli attacks began. Several schools and hospitals have been hit, according to Al Jazeera. The Israeli Air Force says it has struck Iran with over 5,000 munitions since the beginning of the operation.
Israel
Israel has faced retaliatory strikes from Iran. As of March 4, at least 11 people have died and over 40 buildings have been damaged in Tel Aviv, according to Al Jazeera.
Azerbaijan
On March 5, Azerbaijan said drone attacks launched from Iran had crossed over the country’s borders and damaged an airport building and two civilians. President Ilham Aliyev of Azerbaijan said that the country’s military forces “have been instructed to prepare and implement appropriate retaliatory measures,” according to Reuters. Iran has denied responsibility for the attacks, according to Al Jazeera.
Bahrain
Missile and drone strikes have targeted different locations in Bahrain, including a US naval base, according to the BBC. On March 2, Amazon reported that a drone strike occurred in close proximity to one of its data centers in the country. CNBC later reported that Iranian state media said that Iran had targeted the data center because of the company’s support of the US military.
Cyprus
On March 2, a drone strike hit a British air base in Cyprus, according to Reuters. It caused limited damage and no casualties. Greece, the UK, and France have lent defensive support to the country, according to a Bloomberg report.
Iraq
Since February 28, there have been reports of multiple Iranian strikes aimed at a US military base near the Erbil International Airport, according to the nonprofit monitoring group Armed Conflict Location and Event Data.
Jordan
Jordan’s armed forces have intercepted dozens of missiles since the start of the conflict. At least one Iranian-backed militant group in Iraq has claimed responsibility, according to the Associated Press. On March 2, the US Embassy in the country announced that all its personnel had temporarily departed.
Kuwait
Kuwait has endured multiple waves of Iranian missile and drone attacks since February 28. On March 2, US Central Command said in a statement that three US fighter jets were accidentally struck down by Kuwaiti air defenses during an attack that included Iranian aircraft, missiles, and drones.
Lebanon
Israel attacked southern Lebanon after the militant Lebanese group Hezbollah launched rocket and drone attacks against them. Lebanon prime minister Nawaf Salam subsequently banned Hezbollah’s military and security activities, according to Al Jazeera.
Oman
Oman’s Duqm commercial port has been hit by several drone attacks, according to Al Jazeera. Omani authorities have said at least one oil tanker off the country’s port of Khasab in the Strait of Hormuz has been attacked.
Qatar
On March 2, QatarEnergy posted on X saying that it would halt production of liquified natural gas following a military attack on its operational facilities in the country. It did not attribute the attack to any particular country. On March 3, it posted again, saying that it would also stop the production of additional products, including urea, polymers, methanol, and aluminum.
Saudi Arabia
Infrastructure in Saudi Arabia has been targeted with projectiles. On March 3, the US embassy in Riyadh, the country’s capital, was damaged following an attack. On March 4, Reuters reported that one of the Saudi Aramco’s largest domestic refineries of Saudi Aramco, the majority state-owned oil company, was targeted by an attempted drone attack.
Syria
Tom Fletcher, the United Nations undersecretary-general for humanitarian affairs and emergency relief, says that civilians and civilian infrastructure were under attack in several countries including Syria.
Turkey
On March 4, the Turkish Ministry of National Defence announced that NATO had intercepted ballistic munitions launched from Iran, and that munition fragments had fallen into Hatay, a province that borders the Mediterranean Sea and Syria. Iran has denied any missile launch towards the country.
United Arab Emirates
As of March 4, UAE Ministry of Defence officials say that the country has intercepted hundreds of drone and missile attacks from Iran. Despite the relatively high rate of interceptions, debris created by the fallout has still damaged areas of the country. In Dubai, the luxury hotel Burj Al Arab was struck by debris, as well as the Palm Jumeirah, a man-made island home to high-end hotels and apartments. On March 2, Amazon Web Services announced that two of its facilities were directly struck in the country, causing “elevated error rates and degraded availability.”
Countries Evacuating Citizens
On March 2, US assistant secretary of state for consular affairs Mora Namdar posted on X urging Americans to depart from several middle eastern countries due to “serious safety risks.” On March 4, Reuters reported that the US military has offered seats on military transport planes to Americans trying to leave the region.
Over a dozen countries have announced that they will be evacuating their citizens from the area or sponsoring repatriation flights, including the UK, Ireland, Germany and Italy.
OpenAI CEO Sam Altman is still in the hot seat this week after his company signed a deal with the US military. OpenAI employees have criticized the move, which came after Anthropic’s roughly $200 million contract with the Pentagon imploded, and asked Altman to release more information about the agreement. Altman admitted it looked “sloppy” in a social media post.
While this incident has become a major news story, it may just be the latest and most public example of OpenAI creating vague policies around how the US military can access its AI.
In 2023, OpenAI’s usage policy explicitly banned the military from accessing its AI models. But some OpenAI employees discovered the Pentagon had already started experimenting with Azure OpenAI, a version of OpenAI’s models offered by Microsoft, two sources familiar with the matter said. At the time, Microsoft had been contracting with the Department of Defense for decades. It was also OpenAI’s largest investor, and had broad license to commercialize the startup’s technology.
That same year, OpenAI employees saw Pentagon officials walking through the company’s San Francisco offices, the sources said. They spoke on the condition of anonymity as they aren’t licensed to comment on private company matters.
Some OpenAI employees were wary about associating with the Pentagon, while others were simply confused about what OpenAI’s usage policies meant. Did the policy apply to Microsoft? While sources tell WIRED it was not clear to most employees at the time, spokespeople from OpenAI and Microsoft say Azure OpenAI products are not, and were not, subject to OpenAI’s policies.
“Microsoft has a product called the Azure OpenAI Service that became available to the US Government in 2023 and is subject to Microsoft terms of service,” said spokesperson Frank Shaw in a statement to WIRED. Microsoft declined to comment specifically on when it made Azure OpenAI available to the Pentagon, but notes the service was not approved for “top secret” government workloads until 2025.
“AI is already playing a significant role in national security and we believe it’s important to have a seat at the table to help ensure it’s deployed safely and responsibly,” OpenAI spokesperson Liz Bourgeois said in a statement. “We’ve been transparent with our employees as we’ve approached this work, providing regular updates and dedicated channels where teams can ask questions and engage directly with our national security team.”
The Department of Defense did not respond to WIRED’s request for comment.
By January 2024, OpenAI updated its policies to remove the blanket ban on military use. Several OpenAI employees found out about the policy update through an article in The Intercept, sources say. Company leaders later addressed the change at an all-hands meeting, explaining how the company would tread carefully in this area moving forward.
In December 2024, OpenAI announced a partnership with Anduril to develop and deploy AI systems for “national security missions.” Ahead of the announcement, OpenAI told employees that the partnership was narrow in scope and would only deal with unclassified workloads, the same sources said. This stood in contrast to a deal Anthropic had signed with Palantir, which would see Anthropic’s AI used for classified military work.
Palantir approached OpenAI in the fall of 2024 to discuss participating in their “FedStart” program, an OpenAI spokesperson confirmed to WIRED. The company ultimately turned it down, and told employees it would’ve been too high-risk, two sources familiar with the matter tell WIRED. However, OpenAI now works with Palantir in other ways.
Around the time the Anduril deal was announced, a few dozen OpenAI employees joined a public Slack channel to discuss their concerns about the company’s military partnerships, sources say and a spokesperson confirmed. Some believed the company’s models were too unreliable to handle a user’s credit card information, let alone assist Americans on the battlefield.
Though most people associate the beginning of March with the hopefulness of spring and the indignities of daylight saving time, there’s another important event taking place yards all over the country: hummingbird season.
While many species of hummingbirds can be seen in regions year-round, others are migratory, and this time typically marks their return from wintering grounds in Central and South America. These tiny birds can lose up to 40 percent of their body weight by the time they arrive here after having flown thousands of miles, and since many flowers haven’t bloomed yet, nectar feeders can be a source of essential fuel.
Though I test smart bird feeders year-round, I don’t use hummingbird feeders as often as I should, as it’s imperative that they be cleaned and refilled with new nectar every two or three days (a ratio of 1:4 granulated sugar to water is best, and avoid any dyes or additives) to prevent deadly bacteria and mold, and I don’t always have the time.
But if you are going to invest the energy in maintaining a hummingbird feeder, right now is the best time, as you have a chance to see migratory species you might not otherwise encounter, such as black-chinned hummingbirds. A smart feeder helps you ID them, whether they’re stopping at your feeder on their way north or arriving at their final destination.
Birdbuddy’s Pro is the smart hummingbird feeder I recommend and use myself when I’m not actively testing. The app is easy to navigate and sends cleaning reminders, the built-in solar roof keeps the battery charged, and, unlike other feeders, only the shallow bottom screws off for refilling. No having to pour sticky nectar through a narrow opening, or turn a giant cylinder upside down and risk spilling.
Note that it’s not perfect; the sensor is inconsistent and doesn’t capture every hummingbird that visits, but for the camera quality (5 MP photos, 2K video with slow-motion, 122-degree field of view) and ease of use, it’s a foible I’m willing to put up with. If you already have another Birdbuddy feeder, the hummingbird feeder images and videos will integrate seamlessly into your app feed.
Birdbuddy
Pro Smart Solar Hummingbird Feeder
Right now, the feeder is 37 percent off on Birdbuddy’s website—a deal I usually don’t see outside of shopping events like Black Friday or Amazon Prime Day. Note that the feeder only runs on 2.4 GHz Wi-Fi, and while it is fully functional without a subscription, a Birdbuddy Premium subscription will let you add friends and family members to your account so they can see the birds as well. That’s $99 a year through the app.
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