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Below is a list of common drinks consumed in the United States along with their pH values.  A lower pH signifies a more acidic drink.  A pH of 7 is deemed to be neutral.  When the pH of a drink or food drops below 4.0 it causes a chemical change in the tooth, which can lead to loss of enamel and an increase in tooth decay.  Certain acids such as citric acid, phosphoric acid and malic acid are added to a large number of beverages which decreases their pH.  Acids are added to beverages for several reasons including enhancing their flavor and freshness.

If you do choose to drink an acidic beverage, do so in one sitting.  Do not sip on it over a long period of time, because this will increase the amount of time that your tooth is exposed to the acid in the drink.  At the completion of consuming the beverage, wait at least thirty minutes before brushing your teeth.  This will allow the acidity of the mouth to rise back to a safe level so that you have strong enamel to brush.  If you brush right after consuming an acidic beverage, your mouth is still very acidic which leads to weakened tooth structure.  When you brush and your tooth structure is weakened, you will brush away tooth structure leading to what is called erosion.  If you do have to brush right after consuming an acidic beverage, rinse your mouth with either milk or water to help neutralize the pH in your mouth.

Although not all beverages on the market are listed below, we have tried to include well known beverages from different categories.  If the beverage you are consuming is not listed below, find one that is similar and it will give you a good estimate of the pH.

Drink

Tap water
Milk
Sprite Zero
A&W Root Beer
Lemon Juice
Rockstar Energy Drink
Coca-Cola Classic
Monster Energy
Pepsi
Redbull
Gaterade Orange
Arizona Diet Green Tea + Ginseng
Powerade Orange
Starbucks Medium Roast
Powerade Zero Grape
Mug Root Beer
Dasani Grape
Diet Coca-Cola
Propel Grape
Pepsi
Vitamin Water Zero
Dr. Pepper
Dasani Regular
Coca-Cola Zero
Perrier Carbonated Mineral Water
Coca-Cola Classic
Ocean Spray Cranberry
Fuze Strawberry Banana
Minute Maid Orange Juice
Bug Juice Fruity Punch
Tropicana 100% Apple Juice
Tropicana Lemonade
Welch’s 100% Grape Juice
Sunny D Tangy Original
V8 Vegetable Juice
Hi-C Tropical

pH

7.20
6.90
3.14
4.27
2.25
2.84
2.37
3.48
2.39
3.43
2.99
3.29
2.73
5.11
2.97
3.88
3.05
3.10
3.10
2.39
3.10
2.88
5.03
2.96
5.25
2.37
2.56
3.54
3.82
3.09
3.50
2.70
3.38
2.86
4.23
2.81

Reddy, Norris, Momeni, Waldo, Ruby; The pH of Beverages in the United States; The Journal of the American Dental Association; April 2016; p. 255-262