Xtrema Ceramic Cookware Review

posted in: Cookware | 7

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Last updated on November 7th, 2017

I’d like to share my research into the Xtrema ceramic cookware, the only ceramic cookware I know of that you can use on the stovetop. When I buy ceramic cookware or dinnerware, the first thing I look into is lead and cadmium contamination. I want to stress the word “contamination” because it is unlikely for a reputable company to add lead and cadmium intentionally. However, it is impossible to make ceramics absolutely free of lead and cadmium, because they occur naturally, and ceramics are made with natural materials.

Xtrema ceramic cookware

Luckily, there is a California Proposition 65 test that companies can use to ensure that leachable amounts of heavy metals remain under legal limits.


When I first contacted Xtrema cookware, I asked about the ingredients of their ceramics and whether their materials were tested with the Prop. 65 test to back up their claim that their products are free of lead and cadmium. Unfortunately, they did not disclose the ingredients of their ceramic and I did not feel comfortable simply relying on their word.


After some time, they started disclosing their test reports on their website and you can see them here,  which does not happen often, if ever, and I applaud them for that.


By the way, Dr. Mercola sells the same cookware under his brand name in China.  His company representative sent me a list of ingredients, which include silicon dioxide, aluminum oxide, sodium oxide, potassium oxide, magnesium oxide, calcium oxide, titanium dioxide, zirconium oxide, cobalt oxide, chrome oxide, nickel oxide, and lithium oxide, which are standard earthy minerals that normally go into ceramics – no surprise there.


These minerals are fired at 2500ºF, which is way above the melting points of all of these minerals.  For example, the melting point for aluminum is 1,227ºF. This is probably how this cookware is inert, meaning that any leaching of any metals would be minimized. On the Dr. Mercola website, it states that leaching of aluminum is “0.01,” although it doesn’t specify the units. Assuming it refers to micrograms, this seems insignificant to me, considering that aluminum tolerance level is higher than of lead.

Xtrema ceramic stovetop cookware

Xtrema ceramic cookware is in compliance with stringent California Proposition 65 limits for accessible lead and cadmium.  In fact, Dr. Mercola sent me the actual test report that showed leachable lead and cadmium into 4% acetic acid.  The California Proposition 65 limit for this type of cookware is 0.1 microgram per milliliter of lead and 0.049 micrograms per milliliter of cadmium. The test report shows less than 0.05 for lead and 0.01 for cadmium respectively, which is very good. It is very rare for a company to disclose the actual test reports.


You can access the actual test reports on the Xtrema website here.


Keep in mind that Xtrema ceramic cookware is not non-stick and you have to be careful with it since it is ceramic after all.


We bought two pieces of Xtrema cookware – a skillet with a cover and a tea kettle. I have been using the skillet for over a year now and it has not chipped or been damaged in any way. I like to use this inert cookware for tomato-based dishes as their acidity increases leaching of nickel from stainless steel or iron from cast iron.


As for the kettle, I have to be honest and tell you that we do not use it. The reason is that it takes a long time to boil water and I am always in a hurry. I tend to increase the heat and when I do that the bottom starts chipping away.


All in all, using Xtrema ceramic cookware requires some adjustment and patience but it is a good tool in your journey to reduce exposure to toxins.


Update:  In June 2017, Tamara Rubin tested a Mercola pan with XRF technology (which measures the total amount of lead, not leachable) and found a very high content of lead in the baked on the ceramic label on the bottom of the pan.  She has contacted Dr. Mercola about this issue. The good news is that the total amount of lead on the interior seems to be consistent with the leachable test results described above.  To read more, click here.


Where to Buy

Ceramcor website

Xtrema Ceramic Cookware

For more information on other types of cookware, visit here.


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7 Responses

  1. Steph

    Thank you! This is very helpful as we are going to start replacing all kitchen pans and pots. We were looking into this brand will definitely try it based on the information you gave.
    Thank you for your continued efforts!!

  2. Sherry

    These were literally the worst pans I have ever wasted my money on 🙁 I spent sooooo much money and the handle cracked off one of the fry pans in less than a month. They all chipped and I only have one left.

    • Lisa

      I will have to look again but I know I’ve read less good reviews of this cookware. And from your experience they don’t sound that great to me. I also don’t get why the USA based company doesn’t disclose their ingredients. Not happy about that.

    • Marcy

      I had the same experience. I ordered the Wok, a 10″ skillet and two sauce pans for $350. I only used them a handful of times and the handle broke right off the skillet as I was attempting to wash it due to the stuck-on eggs I had scrambled. Apparently if you put any pressure on the pan it can break. They require a LOT of elbow grease to clean even after soaking. I wrote to the owner and he basically said too bad. He would not replace it or refund my money, Instead his offer was for me to buy another skillet from him at a discount!!? Why would I want to give that company more money. My sauce pan scratched and discolored badly after using a Brillo Pad on it – which is recommended. VERY disappointed with the products AND especially the service.

  3. Martie

    Thank you for this Irina, your blog is such a lifesaver. I am going to buy myself a notebook and start making a list of what needs to be replaced and use your comments and suggestions for products when I start replacing things little by little. I was wondering, what do you think of Le Creuset cookware? I see they have Ceramic, Stainless steel as well as Cast Iron options. It would be nice if one can just get a mixture of everything from one brand, but I would really like your opinion. I do know you love your French Press from this brand which is why I am asking…

  4. Ana

    Thank you for this Irina. I am just looking at replacing all my cookware.
    I wanted to ask if you have checked the company GreenPan? They seem to be good and also really affordable and funny enough that makes me trust them less. If you have any information that would be valuable.
    Btw, the affiliate link on the page with all the posts is not working.

    • Irina Webb

      Hi, Ana:

      Before I could not recommend GreenPan due to the lack of information. I have been getting a lot of questions lately about them so I am in process of getting more information from them including their tests reports and am planning to discuss my findings in a blog post – stay tuned. Update: I just realized this comment by Ana is set to receive no response, which makes me think that this is a fake comment with ulterior motive, unless it was set to no by mistake. ~Irina

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