Prebiotic Sodas: The best gut health drink?
In a world where gut health, clean ingredients, and functional foods are trending, traditional sodas are making way for a new generation of fizzy, flavorful, and health-conscious drinks – aka – prebiotic sodas. Â If you’re someone who craves the satisfying fizz of soda but could do without the excess sugar and artificial ingredients, youâve probably come across names like OLIPOP, Poppi, and Halfday.
All three brands claim to support gut health and offer low-sugar alternatives to soda or sweet teaâbut how do they really compare when it comes to fiber, sugar, calories, caffeine, and ingredients?
Letâs break it down.
OLIPOP:
Marketed as a ânew kind of sodaâ that supports digestive health with the help of prebiotic fiber, plant extracts, and botanicals. OLIPOP stands out for its fiber content (9g per can) and botanical ingredients. Itâs a good soda alternative for those looking to support gut health, reduce sugar intake, and enjoy nostalgic soda flavorsâall without artificial sweeteners. It is important to be intuitive with your body and its reaction to high fiber amounts at once, while it may cause bloating and irritability in some individuals.
Nutrition per 12 oz can:
- Fiber: 9 grams
- Sugar: 2â5 grams
- Calories: ~45
- Caffeine: Varies by flavor (Vintage Cola, Cherry Cola, Doctor Goodwin, and Ridge Rush have 50 mg)
Key Ingredients:
- Sparkling water
- Cassava root fiber
- Chicory root inulin
- Jerusalem artichoke
- Nopal cactus
- Marshmallow root
- Kudzu root
- Calendula flower
- Stevia
- Fruit juices
- Natural flavors
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Poppi:
Compared to similar prebiotic sodas, Poppi blends fruit-forward flavor with the benefits of apple cider vinegar (ACV), a popular natural remedy believed to support digestion and immune health. Poppi offers a refreshing soda alternative that combines real fruit flavor with gut-supporting ingredients like prebiotic fiber and ACV. With minimal sugar and no artificial sweeteners, itâs an option for those seeking a flavorful, low-calorie beverage that aligns with a balanced lifestyle.
Nutrition per 12 oz can:
- Fiber: 2â3 grams
- Sugar: 4â5 grams
- Calories: 20â30
- Caffeine: 0â32 mg (caffeinated in Classic Cola, Cherry Cola, and Alpine Blast only)
Poppi Ingredients:
- Sparkling water
- Organic apple cider vinegar
- Organic cane sugar
- Organic agave inulin (prebiotic fiber)
- Fruit juices
- Stevia
- Natural flavors
- Natural caffeine (in select flavors)
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Halfday:
Brings a unique spin to the better-for-you beverage scene by offering prebiotic iced teas rather than traditional sodas. It combines tea’s natural antioxidants with prebiotic fiber for a functional and refreshing drink. Halfday offers a tea thatâs rich in antioxidants, fiber, and flavorâmaking it a great option for those who love a little caffeine without the sugar crash. Itâs especially great for iced tea fans looking to make a switch.
Nutrition per 12 oz can:
- Fiber: 8 grams
- Sugar: 3 grams
- Calories: 30â40
- Caffeine: 30â50 mg (varies by tea type)
Key Ingredients:
- Brewed black or green tea
- Soluble vegetable fiber (corn fiber)
- Natural flavors
- Citric acid
- Stevia
- Monk fruit extract
Side-by-Side Comparison
| Brand | Fiber (g) | Sugar (g) | Calories | Caffeine (mg) | Best For… |
| OLIPOP | 9 | 2â5 | ~45 | 0â50 | Gut health + nostalgic soda flavors |
| Poppi | 2â3 | 4â5 | 20â30 | 0-50 | Light, fruity flavor + benefits of ACV |
| Halfday | 8 | 3 | 30â40 | 30â50 | Iced tea lovers who want fiber & antioxidants |
If you would like more information on prebiotic fiber, click this link here to read my other blog post to learn all about fiber and how to incorporate it in your diet!
References
Dahl, W. J., & Stewart, M. L. (2015). Position of the Academy of Nutrition and Dietetics: Health Implications of Dietary Fiber. Journal of the Academy of Nutrition and Dietetics, 115(11), 1861â1870. https://doi.org/10.1016/j.jand.2015.09.003
Halfday Iced Tea. (n.d.). Halfday Iced Tea. Retrieved April 16, 2025, from https://drinkhalfday.com/
Poppi. (n.d.). Poppi. Retrieved April 16, 2025, from https://drinkpoppi.com/
The OLIPOP Story. (n.d.). OLIPOP. Retrieved April 16, 2025, from https://drinkolipop.com/pages/our-story


