What kind of juice is the least acidic?

December 10, 2025 •

3 min read

Over 60 million Americans experience acid reflux at least once a month, making the search for soothing, low-acid beverages a priority for many. Finding out what kind of juice is the least acidic can significantly help manage symptoms and promote digestive comfort without sacrificing flavor.

Quick Summary

This guide explores the best low-acid juice options, examining their pH levels and health benefits to help you make informed choices for a sensitive stomach. Understand how juices like watermelon, pear, and certain vegetable blends offer hydration and nutrients while minimizing the risk of irritation.

Key Points

Watermelon Juice: With a pH of 5.2–5.6, watermelon juice is one of the lowest-acid fruit juices and can help dilute stomach acid.
Carrot Juice: This vegetable juice is very low in acidity (pH 6.0–6.5) and is considered alkaline-forming in the body.
Pear Juice: Pears are a low-acid fruit (pH 3.5–4.6), and their juice is a gentle, high-fiber option for sensitive stomachs.
Aloe Vera and Cabbage Juice: Both are excellent for soothing the digestive tract and can be consumed for their beneficial, low-acidic properties.
Avoid High-Acid Juices: Citrus, cranberry, and pineapple juices are highly acidic and should be avoided if you suffer from acid reflux or GERD.
DIY Low-Acid Smoothies: Blending low-acid fruits and vegetables with plant-based milk offers a nutritious and gentle beverage option.

The Importance of pH: Understanding Juice Acidity

Acidity is measured using the pH scale, which ranges from 0 to 14. A pH of 7 is neutral, while values below 7 are considered acidic and those above 7 are alkaline. When it comes to juices, most are naturally acidic, but the degree varies dramatically depending on the fruit or vegetable. Highly acidic juices like lemon and cranberry have very low pH values, often triggering discomfort in individuals with acid reflux, GERD, or sensitive teeth. Low-acid alternatives, on the other hand, have a pH closer to neutral, making them much gentler on the digestive system.

The Juices with the Lowest Acidity

Watermelon Juice

Watermelon is renowned for its high water content and mild, refreshing flavor, which translates into a very low-acid juice.

pH Level: Typically ranges from 5.2 to 5.6.
Benefits: Watermelon juice's high water content helps dilute stomach acid and its natural alkalinity can be calming to the esophagus. Freshly juiced, unsweetened watermelon is the best option.

Carrot Juice

Carrot juice stands out among vegetable juices for its very low acidity, often being described as neutral or slightly basic.

pH Level: Generally ranges from 6.0 to 6.5, but is often considered alkaline-forming in the body.
Benefits: Rich in antioxidants and vitamins, carrot juice is extremely gentle on the stomach and provides essential nutrients without any risk of irritation.

Pear Juice

Pears are among the least acidic fruits, making their juice an excellent choice for a low-acid diet.

pH Level: Ranges from 3.5 to 4.6.
Benefits: Pears are naturally sweet and high in fiber, which aids in digestion. When purchasing, ensure it is 100% pear juice without added citric acid or sugars.

Aloe Vera Juice

Known for its soothing properties, aloe vera juice is a traditional remedy for digestive issues, including acid reflux.

pH Level: Typically alkaline, though can vary slightly.
Benefits: Aloe vera helps calm and soothe irritation in the esophagus and stomach lining. It can be consumed on its own or mixed with other low-acid juices.

Cabbage Juice

Though perhaps less conventional, cabbage juice is known for its ability to help heal stomach ulcers and reduce acidity.

Benefits: The phytonutrient compounds in cabbage are effective for managing acidity symptoms. It can be consumed juiced, blended, or as part of a smoothie with other low-acid ingredients.

Comparison Table: Low-Acid Juices


Juice	Typical pH Range	Primary Benefits	Notes
Watermelon Juice	5.2–5.6	Hydrating, dilutes stomach acid	Best when freshly juiced and unsweetened.
Carrot Juice	6.0–6.5	Rich in nutrients, very low acid	Often considered alkaline-forming in the body.
Pear Juice	3.5–4.6	High in fiber, gentle digestion	Ensure 100% juice without additives.
Aloe Vera Juice	Alkaline	Soothes irritation, calms lining	Can be combined with other juices.
Cabbage Juice	Varies	Helps heal ulcers, reduces acidity	Can be made at home from fresh cabbage.

Making Your Own Low-Acid Smoothie

For an extra boost of nutrients, creating a low-acid smoothie at home is an excellent option. Combining low-acid fruits and vegetables with a low-fat or plant-based milk can create a satisfying and soothing drink. A simple recipe could include frozen banana slices for a creamy base, a handful of spinach or kale for vitamins, and some slices of cucumber. Adding a small amount of grated ginger can also aid digestion. The key is to avoid high-acid fruits like citrus or high-fat dairy, which can trigger reflux symptoms.

Conclusion

When considering what kind of juice is the least acidic, options like watermelon, carrot, and pear juice are among the best choices for those with sensitive digestive systems. They offer hydration and valuable nutrients without the high acidity found in many popular juices. By understanding the pH levels of different juices and prioritizing whole, fresh ingredients, you can find delicious and soothing options to support your digestive health and minimize the discomfort of acid reflux. For more information, consulting with a healthcare professional or gastroenterologist is always recommended for persistent issues.

Frequently Asked Questions

For acid reflux, the best fruit juices are those made from low-acid fruits. Good options include watermelon juice, pear juice, and freshly-prepared juices from melons like cantaloupe and honeydew.

Yes, all fruit juice is acidic to some degree, meaning it has a pH of less than 7. However, the level of acidity varies greatly. Citrus juices are highly acidic, while juices from fruits like watermelon and pears are much less so.

Yes, pear juice is often recommended for those with acid reflux because pears have a relatively low pH (3.5–4.6) and are gentle on the digestive system.

Carrot juice typically has a pH level ranging from 6.0 to 6.5, which is close to neutral. It is considered a slightly acidic to neutral beverage, but its minerals can have an alkalizing effect on the body.

Orange juice is highly acidic with a pH typically between 3.3 and 4.2 and is a common trigger for acid reflux and GERD symptoms. It is best to avoid it if you have a sensitive stomach.

Excellent low-acid vegetable juice options include carrot juice, cucumber juice, and cabbage juice. These are gentle on the stomach and can help reduce acidity.

While most fresh vegetable and fruit juices fall on the acidic side of the pH scale, some, like carrot juice and watermelon juice, have a pH closer to neutral. Many low-acid options are also considered 'alkaline-forming' in the body, which helps to balance the body's pH.