If you’ve ever sipped a tart, refreshing glass of calamansi juice, you know this tiny citrus fruit packs a punch. Known as the “golden lime” in the Philippines and other parts of Southeast Asia, calamansi (also called calamondin) is a small but mighty fruit that’s gaining global attention for its health benefits.
In this post, we’ll explore the top benefits of calamansi juice, how it affects your body, and answer common questions you might have about its acidity, sugar impact, and more.
What Is Calamansi?

Calamansi is a hybrid between a citrus fruit and kumquat, often used in Filipino cuisine for its sour and slightly sweet flavor. The juice is typically made by squeezing the fruit, mixing it with water, and optionally adding honey or a natural sweetener.
Top Health Benefits of Calamansi Juice

1. Boosts Immunity
Calamansi is rich in vitamin C, which helps strengthen your immune system and protect against common illnesses like colds and flu.
2. Aids Digestion
Drinking calamansi juice before meals may stimulate digestive enzymes, helping your gut process food more efficiently and reducing bloating.
3. Supports Skin Health
Its antioxidant content helps fight free radicals, potentially reducing the signs of aging, acne, and improving overall skin clarity.
4. Helps Detox the Body
Calamansi juice is often consumed for its cleansing properties, believed to help flush out toxins and improve liver function.
5. Promotes Weight Management
Low in calories and high in flavor, calamansi juice is a popular drink for those trying to stay hydrated while avoiding sugary beverages.
Frequently Asked Questions About Calamansi Juice
What are the side effects of calamansi juice?
Calamansi juice is generally safe for most people when consumed in moderation. However, its high acidity may cause:
- Tooth enamel erosion if consumed frequently without dilution
- Acid reflux in those with sensitive stomachs or GERD
- Skin irritation when applied topically (always patch test first)
What does calamansi do to your body?
Calamansi:
- Helps alkalize the body once metabolized (despite its acidic taste)
- Promotes collagen production and tissue repair due to its vitamin C content
- Acts as a mild detoxifier, supporting kidney and liver function
- Can aid metabolism and digestion, making it great before meals
Can calamansi lower blood sugar?
While there’s limited clinical evidence, some studies suggest that citrus fruits like calamansi may help regulate blood sugar due to their antioxidant and anti-inflammatory compounds. However, it should not be used as a substitute for diabetes medication.
Is calamansi juice acidic or alkaline?
Calamansi juice is acidic in nature (high in citric acid), but like lemons, it becomes alkaline-forming in the body after digestion. This makes it a popular option for people following an alkaline diet.
Is it OK to drink calamansi juice every day?
Yes — if consumed diluted and in moderation, calamansi juice can be a healthy daily drink. To minimize acidity-related issues:
- Use a straw to protect teeth
- Avoid drinking it on an empty stomach if you’re prone to acidity
- Don’t over-sweeten with sugar
What does citric acid do to your body?
Citric acid:
- Enhances mineral absorption, especially calcium
- Helps prevent kidney stones by reducing calcium buildup
- Acts as a natural preservative and antioxidant However, too much citric acid can irritate the stomach lining or damage tooth enamel, so balance is key.
How to Make Calamansi Juice at Home
Check out my homemade Calamansi Juice recipe as well as the YouTube video on how to make it.
Final Thoughts
Calamansi juice is more than just a refreshing drink — it’s a natural powerhouse that can support your immunity, skin, digestion, and more. Just remember to enjoy it wisely and in moderation, especially if you’re sensitive to acidic foods.
Have you tried calamansi juice?
Tag us in your photos or leave a comment below with your favorite way to enjoy it!