My Go-To Gut-Healthy Mixed Berry Smoothie

The new year is here, and that means back to work/school, earlier bedtimes, hitting the gym, and not grazing on chocolate all day. If you’re like most people, you probably have a few extra pounds of holiday weight to lose and are looking to start (or restart) a healthy eating plan. What better way to start the new year than with an incredibly delicious, gut-healthy mixed berry smoothie? Rich in antioxidants, vitamin C, probiotics and prebiotic fibre, this smoothie checks all the boxes for your New Year’s resolution. Best of all? It tastes phenomenal. Take a minute to read why you’re going to absolutely love this smoothie—or just jump down to the recipe!

Why Gut Health Matters

With the holidays behind us, it’s time to start prioritizing gut health. Why? While gut health is important all year round, it usually takes a hard hit during the holidays. That’s because sugar, processed foods, and overeating can wreak havoc on our gut microbiome, creating an imbalance known as dysbiosis, where harmful bacteria proliferate and outnumber beneficial bacteria.

Dysbiosis can leave us feeling tired, weak, stressed, and more prone to illness and weight gain. If left unchecked, it can eventually lead to chronic illnesses like rheumatoid arthritis, type II diabetes, and even cancer. How can this problem be corrected? By following a healthy diet and lifestyle that includes adequate rest; exercise; and plenty of fresh water and unprocessed, plant-based foods. Probiotic-rich foods like yogurt, sauerkraut, and kefir can also play a role in repopulating the good bacteria. Prebiotic foods contain fibre that our bodies can’t digest, but that healthy gut flora love.

What Makes This Smoothie Gut-Healthy?

Probiotic-Rich

This mixed berry smoothie uses probiotic-rich non-dairy yogurt, which helps replenish beneficial bacteria like several strains of Lactobacillus and Bifidobacterium species, known to improve digestion, improve immune function, and reduce inflammation.

Prebiotics: Feeding Your Good Gut Bacteria

This smoothie is full of prebiotic foods like chia seeds, berries (blueberries in particular have been well studied for increasing Bifidobacteria)¹, and inulin, a prebiotic powerhouse (more on this below).

What Is Inulin?

Inulin is a natural fibre found in plants like chicory root, onions, and bananas. Unlike other fibres, it isn’t digested by your body. Instead, it nourishes the beneficial bacteria in your gut, helping them flourish.

Why Use an Inulin Supplement?

In addition to being naturally present in certain plant foods, inulin is also available as a supplement. One advantage of supplementing with inulin is that it provides a concentrated source of prebiotic fibre, which nourishes beneficial gut bacteria. This support for a healthy gut microbiome can promote not only better digestion, but also overall immune health.

Furthermore, when inulin is combined with dietary probiotics—such as those found in yogurt or fermented foods—it creates a synergistic effect. Prebiotics and probiotics work together to support a balanced, resilient gut environment.

What Research Says About Inulin Supplementation

I began adding supplemental inulin to my children’s morning drinks after learning about a double-blind, placebo-controlled study in which kindergarten-aged children were given 6 grams of chicory root fibre (one of the richest natural sources of inulin) daily for six months.

The study found that children receiving chicory root fibre had increased populations of bifidobacteria and lactobacilli. They also experienced fewer fevers, fewer episodes of sinusitis, and fewer illnesses requiring medical attention compared with the placebo group.²

I’ve found these findings to hold true in our own home, particularly with my son, who has been more prone to serious infections than his younger sister after receiving several unnecessary courses of antibiotics early in life. While prescribed with good intentions, antibiotics can disrupt the gut microbiome by reducing both beneficial and harmful bacteria, which may leave the body more vulnerable to microbial imbalance, including fungal overgrowth. Since supplementing his diet with inulin, his illnesses have been milder and haven’t required doctor’s visits.

Nutrition Highlights

• High in fibre: Berries, chia seeds, and inulin provide a combination of soluble and prebiotic fibre that supports digestive regularity.
• Gut-friendly: Vegan yogurt supplies probiotics, while inulin and plant fibres help nourish beneficial gut bacteria.
• Antioxidant-rich: Mixed berries are naturally high in polyphenols and vitamin C, which help protect cells from oxidative stress.
• Naturally sweetened: Sweetened only with fruit and orange juice—no added sugars required.
• Plant-based & dairy-free: Suitable for vegan and lactose-free diets.
• Healthy fats: Chia seeds contribute omega-3 fatty acids that support overall wellness.
• Refreshing and hydrating: Orange juice and berries provide fluids and electrolytes, making this smoothie light and energizing.

Tools Needed

• Blender

Ingredients

• Mixed berries – prebiotic fibre, soluble fibre, and antioxidants
• Dairy-free yogurt – adds probiotics and creaminess to the smoothie. Learn how to make probiotic-rich plant-based yogurt here
• Orange juice – vitamin C and natural sweetness
• Chia seeds – soluble fibre and digestion support
• Inulin – prebiotic fibre. Inulin can be found in most health food stores and online.

How To Make a Gut-Healthy Mixed Berry Smoothie

Add all the ingredients to a high-speed blender and blend until smooth.

Adjust juice and yogurt according to desired consistency and sweetness.

Serve cold.

Notes

• Use unsweetened vegan yogurt to keep added sugars low and allow the natural sweetness of the berries and orange juice to shine.
• Frozen berries create a thicker, creamier smoothie without needing ice and help preserve nutrients.
• Start small with inulin. If you’re new to prebiotic fibers, begin with 1 teaspoon and gradually increase to avoid digestive discomfort.
• Chia seeds thicken over time. Let the smoothie sit for 2–3 minutes after blending if you prefer a thicker texture.
• Adjust liquid as needed. Add more orange juice or a splash of water to thin the smoothie to your desired consistency.
• Best enjoyed fresh, but it can be stored in the fridge for up to 24 hours. Stir or re-blend before drinking.
• Kid-friendly tip: Reduce the inulin slightly and blend extra well for a smoother texture.

1. Vendrame S, Guglielmetti S, Riso P, Arioli S, Klimis-Zacas D, Porrini M. Six-week consumption of a wild blueberry powder drink increases bifidobacteria in the human gut. J Agric Food Chem. 2011 Dec 28;59(24):12815-20. doi: 10.1021/jf2028686. Epub 2011 Nov 18. PMID: 22060186. ↩︎
2. Veereman, G. (2001). Pediatric Applications of Inulin and Oligofructose. The Journal of Nutrition, 137(11), 2585S-2589S. https://doi.org/10.1093/jn/137.11.2585S ↩︎