Testing of beverage bottle cap liners reveals widespread use of toxic phthalates and PVC

In collaboration with our partners at Defend Our Health, the Healthy Stuff Lab has discovered that the gaskets lining caps or lids of glass-bottled beverages are frequently made of vinyl containing high levels of phthalates. "Vinyl" is short for polyvinyl chloride or PVC and "phthalates" is short for ortho-phthalate esters, a class of hazardous plasticizers added to vinyl plastic. Phthalates are not bound to the plastic, and we know from prior research that the chemicals migrate into food or liquid. 

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The good news is that several beverage companies have already taken quick action after we communicated our findings to them, and we continue to engage with companies. 

Phthalates have been phased out of many food-contact materials due to concerns about their links with health impacts including abnormal genital development and asthma. To determine their frequency in bottled beverages (non-alcoholic), we collected 273 caps from glass-bottled beverages and 10 caps from plastic-bottled beverages around the United States and Canada and tested the gaskets. 

Individual sample listings are below.** Results for gaskets from the 273 glass-bottled beverages are also aggregated as an Excel spreadsheet downloadable here.

**Due to our engagement, some companies have switched to different materials for their cap gaskets since their products were tested. Test results provide a snapshot of cap gaskets purchased in late 2019 and throughout 2020. 

Published on July 13, 2021

Sample Listing

Izze Sparkling Apple Juice
Phthalate plasticizer, PVC
Izze Sparkling Blackberry Juice
Phthalate plasticizer, PVC
Izze Sparkling Clementine Flavored Juice Beverage 12 fl oz
DOTP plasticizer, PVC
Izze Sparkling Clementine Flavored Juice Beverage 12 fl oz
DOTP plasticizer, PVC
Izze Sparkling Grapefruit flavored juice beverage 12 fl oz
DOTP plasticizer, PVC
Izze Sparkling Grapefruit flavored juice beverage 12 fl oz
DOTP plasticizer, PVC
Izze Sparkling Pomegranate Juice
DOTP plasticizer, PVC
Izze Sparkling Pomegranate Juice
Phthalate plasticizer, PVC
Jarritos Lime Soda
Polystyrene copolymer
Jarritos Mandarin Natural Flavor Soda with Real Sugar
Polystyrene copolymer
Jarritos Mango Soda
Polystyrene copolymer
Jarritos Mineragua Sparkling Water
Polystyrene copolymer
Jarritos Mineragua Sparkling Water
Polystyrene copolymer
Joe Tea Half Lemonade Half Lemon Tea
ESBO plasticizer, PVC
Joe Tea Low Sugar Green Tea
ESBO plasticizer, PVC
Joe Tea Peach
DOTP plasticizer, PVC
Joe's Classic Lemonade
ESBO plasticizer, PDMS, PVC
Jones Soda Co. Cane Sugar Soda Green Apple Soda
PEVA
Kater Wingman Original Lime Sparkling Water
Phthalate plasticizer, PVC
Kevita Master Brew Kombucha Ginger
PEVA
Kevita Master Brew Kombucha Lavender Melon
PEVA
Kevita Master Brew Kombucha Pineapple Peach
PEVA
Kevita Master Brew Kombucha Pineapple Peach
PEVA
Kevita Master Brew Kombucha Pineapple Peach
PEVA
Kevita Sparkling Probiotic Drink Lemon Cayenne
PEVA
Kimino Ringo Sparkling Apple Juice
Polyethylene
Kist Mango Cordial
Phthalate plasticizer, PVC
Kuii Pineapple Flavor Coconut Milk Drink
Polystyrene copolymer
Lakewood Organic Juice Pure Lime
ESBO plasticizer, PVC
Lakewood Organic Pure Lemon Juice
ESBO plasticizer, PVC
Lakewood Organic Pure Pineapple Juice
ESBO plasticizer, PVC
Live Kombucha Lemon Lime
Phthalate plasticizer, PVC
Looza Mango Juice Drink from Concentrate 33.8 fl oz
ESBO plasticizer, PVC
Lucky Jack Nitro Cold Brew Coffee Old School
Phthalate plasticizer, PVC
Maaza Lychee Juice Drink
ESBO plasticizer, PVC
Maine Root Root Beer
Phthalate plasticizer, PVC
Maine Root Root Beer
Phthalate plasticizer, PVC
Maine Root Root Beer
Phthalate plasticizer, PVC
Manzana Lift
Polystyrene copolymer
Martinelli's Gold Medal Cider
ESBO plasticizer, PVC
Martinelli's Organic Apple Juice 10 fl oz
ESBO plasticizer, PVC
Martinelli's Organic Apple Juice 10 fl oz
ESBO plasticizer, PVC
Martinelli's Organic Sparkling Apple Juice
Phthalate plasticizer, PVC
Martinelli's Organic Sparkling Apple Juice
Phthalate plasticizer, PVC
Martinelli's Sparkling Apple Grape Juice
Phthalate plasticizer, PVC
Martinelli’s Apple Juice
ESBO plasticizer, PVC
Martinelli’s Sparkling White Grape
Phthalate plasticizer, PVC
Matchabar Hustle Matcha Tea Mint
Phthalate plasticizer, PVC
MD Passion Fruit Cordial Fruit Drink
Phthalate plasticizer, PVC
Me & the Bees Lemonade with Prickly Pear
Phthalate plasticizer, PVC

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