If you’re plagued by heartburn, you may notice that drinking orange or grapefruit juice makes it worse. That’s because the acidity in the juice may irritate the soft tissue that lines your esophagus. All fruit juices are acidic, but some are less so than others. Read on to learn which juices contain the lowest acidity.
Acidity Fruit Juice Acidity Acidity of food is measured in pH on a scale of 0 to 14, with 0 being the most acidic. Each full step down represents a 10-fold increase in acidity. A pH of 7 or less is considered acidic. All fruit juices are acidic, but some are more so than others. For reference, lemon juice has a pH ranging from about 2.0 to 2.6, making it highly acidic.e60dc2a1-f33c-4a05-9b50-8e3e8e59762934f7085d-48e6-4d98-812a-cedaea6e1e2c Comparatively, black coffee has a much milder pH of around 4.6 or more.e60dc2a1-f33c-4a05-9b50-8e3e8e59762921c7e909-c7bb-4bfd-a6df-05d2940ad6a7 Blood has a relatively neutral pH of around 7.4.e60dc2a1-f33c-4a05-9b50-8e3e8e59762956efc5bc-758c-4e70-ba90-b5aae2bfc7b2
Apple Apple Juice 3.35–4e60dc2a1-f33c-4a05-9b50-8e3e8e597629b3272102-9d85-4df0-92c3-49d24495b67b One cup of unsweetened apple juice has 114 calories and 28 grams (g) of carbohydrates, including 24 g of sugar, and is virtually protein- and fat-free. The juice is not a significant source of any vitamins or minerals, but it can help you meet your daily potassium needs, with 5 percent of the recommended daily value (DV). Some brands may be fortified with vitamin C.
Pear Pear Juice 3.5–4.6 (Bartlett) Pears are slightly less acidic than apples, with a pH of 3.5 to 4.6.e60dc2a1-f33c-4a05-9b50-8e3e8e597629c45c9d95-21ed-4311-98a9-f1dbdf74136a One cup of pear juice has 117 calories; 30 g of carbs, including 18 g of sugar; and 0 g of protein or fat. It’s also a good source of potassium, meeting 7 percent of the DV.e60dc2a1-f33c-4a05-9b50-8e3e8e597629f110b4c1-329d-4f00-ace1-0b0982056014 Pears are also high in vitamin C.e60dc2a1-f33c-4a05-9b50-8e3e8e597629f38e3435-2c91-49c6-9f95-929a68eb73a2
Peach Peach Juice 3.3–4e60dc2a1-f33c-4a05-9b50-8e3e8e597629691a4cd8-2667-42ce-a59a-ae1270020a4e Peaches have about the same pH level as apples, ranging from 3.3 to 4. Peach juice is higher in calories and carbs than apple juice, with 134 calories and 35 g of carbs per cup, including 31 g of sugar, and is also virtually protein- and fat-free.e60dc2a1-f33c-4a05-9b50-8e3e8e5976295fbc3cd8-ac94-4de7-bc37-011457e73cb0 As with apple juice, some brands may be fortified with vitamin C, helping you meet 100 percent of the DV per serving.
Juice to Avoid Juices to Avoid If you’re trying to avoid juices that are higher in acidity, here is a look at which juices to avoid:e60dc2a1-f33c-4a05-9b50-8e3e8e597629d7fd1ca3-52b0-46af-9ae1-d00c5bc9dc1b Lemon (2–2.6) Lime (2–2.8) Cranberry (2.3–2.5) Grapefruit (2.9–3.3) Orange (3.3–4.2) Pineapple (3.3–3.6) Grape (varies, but as low as 2.8)
The Takeaway Acidity is measured in pH. The lower the number, the more acid a juice has. All fruit juices are acidic, but some are more so than others. Apple, pear, and peach juices are among the least acidic fruit juices. Lemon, lime, and cranberry juice are among the most acidic fruit juices.
Resources We Trust Mayo Clinic: Is Juicing Healthier Than Eating Whole Fruits or Vegetables?Cleveland Clinic: Celery Juice Is a Trendy Detox Drink, but Does It Actually Have Benefits?U.S. Food and Drug Administration: Approximate pH of Foods and Food ProductsU.S. Department of Agriculture: Pasteurized JuiceFoodSafety.gov: Fruit and Vegetable Safety
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