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What Does Gut Health Have to Do with Hair Loss? The Surprising Connection


Woman touching her stomach, symbolizing the connection between gut health and hair loss

When people think of hair loss, they usually consider hormones, stress, or genetics. But there's another key player that often gets overlooked—your gut. That’s right. Your digestive system may be influencing the health of your hair more than you realize.


This blog will explore the science behind gut health and hair loss, how they’re connected, and what you can do to support both.


How the Gut and Hair Are Connected

Your gut is home to trillions of microbes—bacteria, fungi, and other organisms that help with digestion, immunity, and nutrient absorption. This is known as the gut microbiome.

When your gut is healthy, your body is better able to absorb nutrients like iron, zinc, vitamin D, biotin, and B vitamins—all of which are essential for healthy hair growth.

However, if your gut is out of balance (a condition known as dysbiosis), it can lead to:

  • Chronic inflammation

  • Poor nutrient absorption

  • Autoimmune responses

  • Hair thinning or excessive shedding


Signs That Gut Imbalance May Be Causing Hair Loss

Many people don’t realize their gut health may be affecting their hair. Watch for these common symptoms:

  • Digestive problems like bloating, constipation, or diarrhea

  • Fatigue or brain fog

  • Weak immune system or frequent infections

  • Skin concerns such as acne or eczema

  • Unexplained hair shedding or thinning

These may be signs that your gut is not absorbing nutrients efficiently, leading to disruptions in the hair growth cycle.


Key Nutrients from the Gut That Impact Hair Growth

A healthy gut helps deliver these vital nutrients to your hair follicles:

  • Iron – Helps deliver oxygen to your scalp and follicles

  • Zinc – Maintains scalp tissue and supports follicle health

  • Biotin (Vitamin B7) – Plays a key role in keratin production

  • Vitamin D – Regulates the hair growth and shedding cycle

  • Protein – Hair is made of keratin, a protein that needs constant replenishment

If your gut isn't absorbing these nutrients well, your hair will likely reflect it.


Tips to Improve Gut Health for Better Hair

1. Eat More Fiber-Rich Foods

Dietary fiber supports beneficial gut bacteria. Include fruits, vegetables, legumes, and whole grains.

2. Include Probiotics and Prebiotics

  • Probiotics (e.g., yogurt, kefir, fermented foods) help populate the gut with healthy bacteria.

  • Prebiotics (e.g., onions, garlic, bananas, oats) feed those good bacteria.

3. Reduce Sugar and Processed Foods

Sugar can feed harmful microbes and yeast, leading to imbalance and inflammation.

4. Stay Hydrated

Water supports digestion and helps the body absorb nutrients more efficiently.

5. Manage Stress

Chronic stress impacts both gut and hair health. Relaxation techniques like meditation or light exercise may help.

6. Get a Scalp and Gut Health Evaluation

Restore Hair Loss and Scalp Clinic offers holistic assessments to identify nutritional deficiencies and gut-related imbalances that could be contributing to your hair loss.


Treatments That Support the Gut–Scalp Connection

At Restore, we focus on personalized care to improve your scalp, hair, and gut. Some of our treatment options include:

  • Clinical scalp therapy

  • Hair supplements that support nutrient absorption

  • Nutrition therapy to correct deficiencies

  • Lifestyle guidance to support long-term wellness

This whole-body approach helps us address hair loss at its source—not just the symptoms.


Frequently Asked Questions

Can fixing my gut help with hair regrowth?

Yes. A balanced gut improves nutrient absorption, reduces inflammation, and can support healthier hair regrowth over time.

Do probiotics help with hair loss?

Probiotics may promote hair growth by balancing the gut microbiome and improving nutrient absorption, especially of vitamins and minerals essential to hair health.

How do I know if my hair loss is related to my gut?

If you have digestive problems, fatigue, and hair shedding at the same time, it’s worth having both your scalp and gut health evaluated by a professional.


Book Your Free Discovery Call Today

At Restore Hair Loss and Scalp Clinic, we understand that hair loss is more than just a surface issue—it can be deeply connected to your internal health, including your gut.

If you're noticing hair thinning along with digestive symptoms or nutrient concerns, it may be time to look deeper.

Schedule your free discovery call today to learn how our personalized scalp and wellness solutions can help you feel your best—starting from within.

We’ll guide you step-by-step through your options and create a plan that supports both your hair and your health.



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