Parents shocked to learn 'BPA-free' baby bottles are loaded with other estrogen mimickers: Born Free, Weil Baby, CamelBak and more

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(NaturalNews) Baby bottles from AVENT, Born Free, Green to Grow, Evenflo and Weil Baby all emit high or very high levels of hormone-altering chemicals, says new research published in the peer-reviewed journal Environmental Health. (1)

"Many PC-replacement-products made from acrylic, polystyrene, polyethersulfone, and Tritan resins leached chemicals with [estrogenic activity], including products made for use by babies. Exposure to various forms of UV radiation often increased the leaching of chemicals with estrogenic activity," write the study authors.

The conclusion of the study will send shockwaves across the baby products industry, stunning many parents who thought "BPA-free" meant "free from all hormone-disrupting chemicals."

The study authors write:

Many BPA-free PC- replacement products still leached chemicals having significant levels of estrogenic activity, as did BPA-containing PC counterparts they were meant to replace. That is, BPA-free did not mean [free from estrogenic activity].

UV rays unlock hormone-disrupting chemicals

An article published by Mother Jones (2) reports the research, revealing that ultraviolet rays (UV) activate and "unlock" hormone-mimicking chemicals in BPA-free bottles made out of polyester (PES) and Tritan, the materials most commonly used in BPA-free bottles.

Over the last several years, the negative press about the hormone-disrupting properties of BPA (Bisphenol-A) led to a wave of new "BPA-free" baby bottles, water bottles and sippy cups. But just because a bottle is free of BPA doesn't means it's free of other hormone-disrupting chemicals.

"Many of the items above are advertised as healthy alternatives to plastics containing BPA and the hormone-altering chemicals known as phthalates," writes Mother Jones. "Born Free markets its baby products as the 'natural choice for moms who want a safe, calm experience every time they feed their baby.' Weil Baby claims that its bottles are made from 'revolutionary new materials' that are 'ultra-safe.' After UV exposure, CertiChem's study found that both companies' products leached potent synthetic estrogens."

UV rays are not only found in sunlight; they're also used by parents to sanitize battle bottles (UV light exposure kills bacteria). According to this research, the very process that parents use to sanitize baby bottles may be releasing hormone-disrupting chemicals that harm their babies.

These brands of bottles showed estrogen-mimicking activity

According to researchers, all the following brands of bottles, baby bottles, sippy cups and water containers tested positive for estrogen-mimicking activity:

Baby bottles: AVENT, Born Free, Green to Grow, Evenflo, Weil Baby
Sippy cups: CamelBak (blue), Weil Baby
Water bottles: CamelBak (black), CamelBak (blue), Nalgene (blue)
Other products: Crate & Barrel acrylic wine glasses (red), Lock & Lock food containers

Hormone-disrupting chemicals linked to cancer; multi-generational effects

What's wrong with BPA and other hormone-disrupting chemicals? They're linked to cancer, for starters. Even at tiny doses -- just parts per billion -- they may cause infertility problems, liver abnormalities, asthma and heart disease, according to scientists.

Even worse, some of these effects appear to be epigenetic and trans-generational, meaning they pass from one generation to the next. So a young mother who feeds her baby with baby bottles containing hormone-disrupting chemicals is not merely potentially harming her own baby; she's may be harming her baby's future babies as well, down through an unknown number of generations.

BPA-free isn't good enough: TOPAS and ZEONOR polymers are the new "green"

This research also revealed that two brand-name copolymers named TOPAS and ZEONOR showed no signs of hormone-disrupting estrogenic activity, even when exposed to UV rays.

TOPAS and ZEONOR are "cyclic olefin polymers" or copolymers developed by materials scientists in Germany and Japan. They are both very expensive compared to the lower costs of Tritan and PES.

"TOPAS is the trade name of a cyclic olefin copolymer (COC) developed by TOPAS ADVANCED POLYMERS GmbH," reports (3)

ZEONOR is a product created by ZEON chemicals, a Japanese company, and is used in medical applications, optical components and barrier films. (4)

To my knowledge, there are currently no baby bottles or water bottles available which are manufactured out of TOPAS or ZEONOR.

Interestingly, Nalgene green bottles made out of Tritan tested negative for estrogenic activity after exposure to UV rays, most likely due to the green dye acting as a kind of internal UV block. So if you're looking for a plastic water bottle that's available right now and shows no estrogenic activity, a green Nalgene bottle seems to be the way to go, based on this research.

Huge market opportunity for someone to launch water bottles made out of Zeonor or Topas

This research opens up a tremendous market opportunity for someone enterprising enough to introduce baby bottles and water bottles made out of cyclic olefin copolymers (COP or COC).

It might turn out to be the world's most expensive water bottle ever, but there's a huge demand for containers that don't leach toxic chemicals into the liquids they're holding.

If anyone reading this is seriously looking into launching COP or COC-based bottles, please contact us here at Natural News so we can help support your product launch.

Sources for this article include:

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About the author:Mike Adams (aka the "Health Ranger") is the founding editor of, the internet's No. 1 natural health news website, now reaching 7 million unique readers a month.

In late 2013, Adams launched the Natural News Forensic Food Lab, where he conducts atomic spectroscopy research into food contaminants using high-end ICP-MS instrumentation. With this research, Adams has made numerous food safety breakthroughs such as revealing rice protein products imported from Asia to be contaminated with toxic heavy metals like lead, cadmium and tungsten. Adams was the first food science researcher to document high levels of tungsten in superfoods. He also discovered over 11 ppm lead in imported mangosteen powder, and led an industry-wide voluntary agreement to limit heavy metals in rice protein products to low levels by July 1, 2015.

In addition to his lab work, Adams is also the (non-paid) executive director of the non-profit Consumer Wellness Center (CWC), an organization that redirects 100% of its donations receipts to grant programs that teach children and women how to grow their own food or vastly improve their nutrition. Click here to see some of the CWC success stories.

With a background in science and software technology, Adams is the original founder of the email newsletter technology company known as Arial Software. Using his technical experience combined with his love for natural health, Adams developed and deployed the content management system currently driving He also engineered the high-level statistical algorithms that power, a massive research resource now featuring over 10 million scientific studies.

Adams is well known for his incredibly popular consumer activism video blowing the lid on fake blueberries used throughout the food supply. He has also exposed "strange fibers" found in Chicken McNuggets, fake academic credentials of so-called health "gurus," dangerous "detox" products imported as battery acid and sold for oral consumption, fake acai berry scams, the California raw milk raids, the vaccine research fraud revealed by industry whistleblowers and many other topics.

Adams has also helped defend the rights of home gardeners and protect the medical freedom rights of parents. Adams is widely recognized to have made a remarkable global impact on issues like GMOs, vaccines, nutrition therapies, human consciousness.

In addition to his activism, Adams is an accomplished musician who has released ten popular songs covering a variety of activism topics.

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