How to Choose the Healthiest Kettle to Boil Water In

This post is about how to choose the healthiest kettle to boil water in.

healthiest kettle to boil water in

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When choosing the healthiest kettle to boil water in there are several things you need to look for and other things you need to avoid. If the kettle you use to boil water has unsafe components that touch the water then there is the chance that chemicals and toxins will be leached into the water you are drinking. The risk of this increases greatly since the water and materials will be heated. Here are the guidelines I suggest for choosing the healthiest kettle to boil water in.

Materials to Choose

Stainless Steel: Healthiest Kettle Material to Boil Water In

Stainless steel is a wonderful material to choose for a tea kettle. You will want to choose a 304 or 316 stainless steel as these are the safest types of stainless steel for cooking/food. Beware of cheap stainless steel because it might rust easily or involve a really thin layer of stainless steel over a metal like aluminum. Another great thing about stainless steel is that it’s very durable.

Glass: Healthiest Kettle Material to Boil Water In

The glass used to make kettles is called borosilicate glass. It is very heat stable and doesn’t leach chemicals. It also doesn’t leave any taste in the water. The drawback is that it could shatter if dropped to the floor. You can read more about borosilicate kettles here.

Materials to Avoid


Plastics are known to leach chemicals into water, especially when heated to the temperatures that a kettle is heated to. I strongly advise choosing a kettle with no plastic touching the water. Any plastic touching the water is a no-go for me but anything with BPA or phthalates is especially toxic.

Metal Alloys

Any metal besides stainless steel is also a no-go for me. Heavy metal poisoning is so serious and so real. It should be obvious that metals like aluminum are very dangerous and have been linked to diseases like Alzheimer but higher-end metals like copper have also been linked to mental health disorders.

Stove Top Kettle or Electric Kettle

There is one more thing to consider when choosing the healthiest kettle to boil water in. You need to decide if you want to use an electric kettle or a stove top kettle. When it comes to which is more non-toxic/healthier the real difference will be that the electric kettles will have bases that almost always contain some plastic. This plastic never touches the water but it is heated and there’s a chance it could give of VOCs if you choose a cheap model. On the other hand, the electric kettles almost always have safety mechanisms that keep them from over-boiling and auto-shut offs which can prevent fires. It is easy to leave a stove top kettle on the stove top and forget it, which could lead to a fire so it’s good to think about both of these things when making a decision.


Choosing the healthiest kettle to boil water in honestly comes down to choosing a kettle made of either stainless steel or borosilicate glass and avoiding plastics and cheap metals. There are some kettles made of porcelain or ceramic but almost all of these contain plastic pieces and there’s always also a concern that ceramics will have toxins in their glazes. Ceramic and porcelain is better used in tea pots as opposed to kettles, which are meant to heat the water and not to actually brew the tea.

This post was about choosing the healthiest kettle to boil water in.

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Last update on 2024-05-22 / Affiliate links / Images from Amazon Product Advertising API

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