3 Ways Chlorine in Drinking Water is Harming Your Health

3 Ways Chlorine in Drinking Water is Harming Your Health

Nearly every day we read how a new chemical, toxin, pharmaceutical drug, radioactive residue or parasite is contaminating our water supply, and especially our drinking water.

In fact, a 3-year Environmental Working Group study found that 85% of the U.S. population’s water is laced with over 300 contaminants. But what you may not expect is that the very substance added to purify your water, chlorine, is actually causing the most harm of all.

It’s gotten to the point where every time you turn on your faucet, you’re committing an act of faith!

If you’re one to buy bottled water by the case, you have different issues like the BPA-ridden plastic bottles, the lack of strict regulations, and even heavy metals in some of the most popular brands. And some bottled water is actually just tap water, so you’re still not escaping the chlorine in your drinking water.

In the early 1900s when chlorine was first added to make drinking water safe for consumption, it was deemed a miracle. It killed bacteria and viruses that had previously made water-borne illnesses a constant problem for drinking and bathing.

Unfortunately what has long been overlooked are the potential (and very dangerous) health risks that everyday exposure to chlorine can have on our health.

Here are the top three ways chlorine in your drinking water is harming your health:

1. Chlorine Kills Good Gut Bacteria

Flash forward to today and bacteria in our drinking water has become smarter. Many of the water-borne parasites once prevented by chlorination like Giardia and Cryptosporidium have developed varying levels of resistance to chlorine and it’s become much less effective.

As a disinfectant meant to kill bacteria in the water, consuming chlorine does exactly that in your GI tract, wiping out good gut bacteria like lactobacilli. Without these beneficial bacteria the immune system suffers and many studies have now linked poor gut health to mental health problems in children.  One recent study found a correlation between temperament and the presence of good bacteria, in addition to attributing poor gut health to illnesses like bowel disease, asthma, obesity and allergies. To keep your gut in balance, we suggest not only avoiding chlorine in your drinking water, but also using a high quality probiotic powder consisting of at least 10 billion beneficial bacteria daily. Repopulating your GI tract with probiotics can help to ward off bacteria and parasites (both water-borne or otherwise), yeast overgrowth and allergies.

2. Chlorine Acts as an Estrogen Mimic

What’s worse is the hormone scramble chlorine performs in your body; whether chlorine is absorbed through your skin in the shower, or from drinking water. When it’s in our bodies, chlorine becomes a xeno (or false) estrogen. Xenoestrogens contribute to estrogen dominance which can result in both female and male cancers and many other health concerns like hair loss, fatigue, lack of libido, hypothyroidism, hypoglycemia, insomnia and PMS.  It also leads to vitamin deficiencies like zinc, magnesium and B vitamins (which have their own lengthy list of health problems).

3. Chlorine Causes Weight Gain

Drinking or showering in chlorinated water can play a part in weight gain on several fronts. As a toxic chemical, chlorine displaces the iodine in your thyroid leading to hypothyroidism and unwanted side effects like weight gain and hot flashes. And since your liver is busy eliminating excess estrogens, it is less likely to do a good job performing other integral functions like burning fat. Chlorine also kills antioxidants like vitamins E and A that normally protect your good fats from damage. Without this protection, you can become deficient in essential fatty acids omega-3, 6, and 9 which then contributes to, you guessed it, more weight gain!  In order to help support your liver, you may want to add a natural liver support supplement like Liver-Lovin Formula to your daily regimen. Ingredients like artichoke and chlorophyll can help the liver clean out heavy metals, chlorine, and other toxins that may be stuck in your system.

And, that’s not all.

As chlorine reacts with water’s natural organic compounds, it creates even bigger problems for our health. Disinfectant byproducts (DBP) like trihalomethanes (THMs) and haloacetic acids (HAAs) are linked to reproductive problems, like stillbirths in animals and humans, and pose a great risk through skin exposure from pools and showers in addition to your drinking water.  One form of THMs is chloroform—the chemical used to knock people out—so it shouldn’t seem like a stretch when we say exposing yourself every day to chlorine can cause kidney, liver and nervous system damage!

Protect Yourself From the Dangers of Chlorine in Your Drinking Water

While water treatment alternatives like ultraviolet and ozone do exist, chlorine is a “necessary” evil that most of us here in the US simply aren’t able to avoid in our drinking water.

But, the good news is, a basic filter in your home is all it takes to protect your family from chlorine and its harmful effects. A high quality ceramic filter can remove more than 99% of chlorine and 95% of chloramines, chloroform and byproducts like THMs.

If you do nothing else, start in the shower first. Chlorinated water is most toxic when you’re taking a shower as you breathe the toxic fumes into your lungs. A shower filter takes seconds to install and is extremely affordable. Bathtub filters can protect the water you and your family soak in as well.

The best way to ensure your tap water is drinkable is with an under the counter or countertop filter. Not only will it eliminate chlorine and its byproducts, it will also protect your family form parasites and heavy metals like lead.

Adding adequate water filtration to your home is the safest and most cost efficient way to remove chlorine and enjoy pure, clean water whether you’re cooking, drinking, bathing or showering.

Do you have a water filter in your home? Post a comment to share how it has helped protect you from the dangers of chlorine.











Comments (17)

  • Jane November 7, 2016 - 4:04 pm Reply

    Reading stuff on how chlorine in water is harming ones health really frightens me. I’m just really glad that we have a water filtration system at home. It’s a relief very much.

  • may loc nuoc ion kiem May 24, 2017 - 1:34 am Reply

    I’m just really glad that we have a water filtration system at home. It’s a relief very much.

  • dana palmer November 11, 2017 - 1:21 am Reply

    There is a huge issue where I live locally. Chlorine affected my gut flora and created problems I never had before. The local “best” gastroentinologist rolled his eyes when I told him it was the water, so I never went back. Because I couldn’t afford a water treatment system, I researched and discovered that Vitamen C neutralizes Chlorine in bathwater. My intestinal issues resolved in 48 hours. I also discovered there are lists online that tell us which bottled water (even spring) is Chlorinated. I now drink one that isn’t. Yes, it comes in a plastic bottle, and I know there are risks, but my body feels good again. It is also wise to supplement with magnesium and liver support under the guidance of a nutritionist.

  • Hersh November 24, 2017 - 5:58 pm Reply

    Also letting tap water sit for 24 hrs the chlorine will disapate like preparing for your aquarium set up.

  • Mary December 10, 2017 - 8:33 pm Reply

    They just started chlorine to our water system where I live. Our water was from ground water. My throat has been sore and I worry about what it is doing to me. Where is the best place to get filters for shower and house.

    • UNI KEY Health December 11, 2017 - 3:05 am Reply

      Yes! We carry them at http://www.unikeyhealth.com -we have shower, bathtub and filters for your kitchen sink. If you’re interested in a whole house system we can assist you with that as well.

  • Janeen December 19, 2017 - 11:33 pm Reply

    Exactly, that’s what caused my dairy allergy! I now filter my water twice and all is good and well.

  • Michael Adebayo December 23, 2017 - 3:11 pm Reply

    I was curious about the BUC water in bonny,(Rivers State. Nigeria) i drank it as some taste and if boiled sediment u will see, some substance under the pot and on top of water. And nobody is say anything about it. I thank u people for all these information.

    • David April 3, 2019 - 3:22 am Reply

      They use chlorine because is the cheapest tertiary treatment. People should use water filter everywhere at home. Thank for sharing this interesting article.

  • Fred June 29, 2018 - 4:09 pm Reply

    Here in Zambia it’s horrible. The water is heavily chlorinated and the population is innocently using the water.
    My prayer is that something is done about it.

  • Pure DTX July 3, 2018 - 6:13 am Reply

    It is crucial you protect the health of your family and loved ones as chlorine-contaminated water can cause a number of health problems. This is a great website.

  • Brian August 15, 2018 - 12:57 am Reply

    you do realize water filters don’t actually claim to remove choline from water just the choline taste by adding something to the water. If you have a tds tester you’ll notice that the readings actually increase when the water is filtered. So sad.

    • UNI KEY Health August 15, 2018 - 8:55 pm Reply

      Hi Brian – Thanks for your feedback. Are CWR water filters reduce chlorine and don’t add anything to the water. The CWR’s Ceramic MetalGonTM filters are capable of reducing chlorine for over 1,000 gallons, chloramine, and their by-products for over 700 gallons. These products also went through further independent lab testing where 85% reduction of all forms of fluoride is documented, as well as significantly reduced VOCs and heavy metals. For more information check out CWR: https://www.cwrenviro.com/blog/the-truth-about-total-dissolved-solids. Hope this information is helpful!

      – UNI KEY Staff

  • How Do Water Filters Work- Precautions October 19, 2018 - 5:13 am Reply

    […] at killing bacteria in the water. However, recent research suggests that chlorine can also have a negative impact on human health. This is why you’ll want to get rid of […]

  • angie January 3, 2019 - 3:19 pm Reply

    I found this very interesting. Here’s my story.

    49 years old. Started having terrible hot flashes & night sweats (not fun)for approximately 10 months. We purchased water filters for drinking and showering to remove “Chloramine” (Chlorine + Ammonia)which is used in most Canadian cities.

    Here’s what I noticed, literally 2 days later hot flashes completely stopped. It’s been 2 months now… no hot flashes. I don’t believe it’s a coincidence.

    I purchased my filters from CuZn water filters just for overall peace of mind and didn’t know it would alleviate my hot flashes. Once I noticed this benefit, I started searching if Chlorine and Hot flashes were linked in any way… that’s how I found this post.

  • Tracy V March 4, 2019 - 4:21 am Reply

    I am 57 years old and have suffered from heartburn for as long as I can remember. My concern has always been the number of Tums I eat, to relieve it, because they have aluminum in them which is linked to Alzheimers. I don’t use deodorant with Aluminum in it either. My husband and just returned from a 3 week trip to Mexico where we drank bottled water the whole time. Guess what, no heartburn! when we returned I started using our tap water and I had instant heartburn. I immediately stopped and went back to bottled water until we could have a whole house filtration system installed. The other odd thing I noticed was the aching pains in my legs and feet went away. Not sure if the relief from the years of muscle pain has anything to do with not drinking water with chlorine in it. Maybe its a coincidence, maybe not.

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