The Best Potato Substitute for Gut Health? Why Celeriac Is the Ultimate Low-Carb Comfort Food

Let’s be honest: the first time you see a celery root in the produce aisle, you probably are not tempted to grab it. It’s knobby, rough, covered in tiny root hairs, and honestly looks a little intimidating.

But underneath that rugged exterior the health benefits of celery root is undeniable.

Also known as celeriac, celery root is a nutrient-dense root vegetable packed with fiber, antioxidants, and plant compounds that support gut health, metabolic balance, and inflammation regulation. Better yet, it makes an incredible low-carb substitute for mashed potatoes.

In my latest video, I show you exactly how I turn this humble root vegetable into a creamy, comforting healing meal.

Watch: Making My Garlic-Rosemary Mashed Celeriac

Health Benefits of Celery Root

Celeriac is far more than a trendy vegetable. Research on Apium graveolens L. suggests this root contains bioactive compounds that may help support overall wellness and cellular health.

Here are a few reasons I love incorporating celeriac into a healing lifestyle:

1. Supports a Healthy Gut Microbiome

Celeriac is naturally rich in dietary fiber, which helps nourish beneficial gut bacteria and supports digestive health.

A fiber-rich diet may also help support:

• Regular digestion

• Gut microbiome diversity

• Healthy inflammation balance

• Blood sugar regulation

  
  

2. Naturally Rich in Antioxidants

Celeriac contains plant compounds and antioxidants that may help combat oxidative stress and support a healthy inflammatory response.

3. Supports Bone & Heart Health

Celery root is an excellent source of Vitamin K, an essential nutrient involved in:

• Bone mineralization

• Healthy blood clotting

• Cardiovascular health

What the Research Says About Celery Root

As a pharmacist, I always look for the science behind what we eat. The peer-reviewed research on Apium graveolens L. (the scientific name for celery root) is incredibly encouraging. Clinical trials and systematic reviews suggest that adding this root to your regular routine can be a powerful holistic tool to help support the management of:

1. Metabolic Syndrome: Helping to support insulin sensitivity and overall metabolic balance.

2. Hypertension: Helping to naturally regulate and lower high blood pressure.

3. Glycemic & Lipid Profiles: Assisting the body in keeping blood sugar stable and keeping cholesterol markers in check.

My Garlic-Rosemary Mashed Celeriac Recipe

If you love mashed potatoes but want a lower-carb option with less blood sugar impact, this recipe is one of my favorites.

Ingredients

• 1 large celery root (celeriac)

• 2–3 cloves garlic

• 1 tablespoon butter or ghee

• Fresh rosemary

• Sea salt to taste

• Optional: small piece of hot pepper for extra flavor

Instructions

Step 1: Prep the Celeriac

Use a sharp knife to remove the thick outer skin. Chop the white interior into cubes.

Step 2: Boil Until Tender

Place cubes in salted water and boil for 15–20 minutes until fork tender.

Step 3: Mash & Season

Drain well and mash with garlic, butter, rosemary, and salt.

Serve alongside grass-fed beef, roasted vegetables, or your favorite protein.

It tastes indulgent and comforting while supporting stable energy and metabolic health.

Next time you are walking through the produce aisle, do not overlook the celery root.

Sometimes the most healing foods are the ones hiding in plain sight.

Have you ever tried cooking with celeriac before? How do you like to season your root veggies? Let’s chat in the comments below!

To learn more about using evidence-based nutrition and holistic options to reclaim your health, explore my book Consent to Cure or visit my website at drjudym.com.