The Dempster Clinic - Dr. John Dempster, ND

The Dempster Clinic - Dr. John Dempster, ND Dr. John Dempster, ND - The Dempster Clinic - Facebook

I used to think my sinus infections, colds, and flare-ups were just random. Or that my immune system was simply “weak.”T...
09/26/2025

I used to think my sinus infections, colds, and flare-ups were just random. Or that my immune system was simply “weak.”

Turns out, it wasn’t weak. It was misdirected.

Most people don’t realize that over 70% of their immune system lives in the gut. That means even subtle digestive issues - bloating, heartburn, or no symptoms at all - can be the root cause of major immune dysfunction.

When your gut lining becomes compromised and your microbiome imbalanced, your immune system can’t tell friend from foe. It begins attacking everything, even your own tissues.

This isn’t just theory. It’s immunology. And it’s one of the most overlooked causes behind autoimmune issues, allergies, and chronic infections.

In my latest blog, I unpack how your gut influences your immune system - and how healing your gut may be the most powerful thing you do for long-term immunity.
Click the link in the comment section to read the full post.

09/24/2025

Toxins are everywhere - in our food, water, air, and even the products we put on our skin. Over time, they don’t just burden the body… they change it.

Dr. Elena Villanueva shared at the Gut Reset Summit that nearly all chronically ill patients carry hidden toxins - chemicals, molds, and heavy metals - silently disrupting the gut. The fallout? Inflammation, hormone imbalances, autoimmunity, even “leaky brain.”

The story of gut health isn’t just about food. It’s about an environment stacked against us - and whether we have the tools to fight back.

Watch the full interview through the link in the comment section.

I used to think great skin came from great products.But here’s the truth I’ve learned - radiant, youthful skin doesn’t s...
09/23/2025

I used to think great skin came from great products.
But here’s the truth I’ve learned - radiant, youthful skin doesn’t start on the surface. It starts deep inside your cells.

When patients come to me frustrated by dullness, breakouts, or premature aging, I don’t just ask what cream they’re using. I ask - what’s going on in your gut? Your hormones? Your mitochondria?

Because your skin is more than a beauty statement.
It’s a metabolic signal.
And if your body is under stress, depleted in nutrients, or stuck in survival mode… your skin is the first to show it.

That’s why IV Therapy has become one of my favourite tools. It bypasses the gut and delivers exactly what your cells are craving - right where they need it.
Vitamin C, glutathione, B vitamins, magnesium… all working in real-time to brighten, repair, and restore your glow.

But here’s the key: IV Therapy is powerful, but it works best when paired with a full-body strategy that supports detox, hormones, and cellular energy.

I just wrote a new blog on this - why topical skincare isn’t enough, how IV Therapy fits into the big picture, and what to do if your glow feels like it’s gone missing.

Click the link in the comment section to read the full post.
Let’s rebuild from the inside out. Your skin - and your cells - will thank you.

Feeling worse after starting a detox protocol? It might not be failure; it might be a sign it’s working.Known as the Her...
09/20/2025

Feeling worse after starting a detox protocol? It might not be failure; it might be a sign it’s working.

Known as the Herxheimer Reaction, this temporary flare-up happens when your body starts killing off harmful microbes faster than it can eliminate the waste they leave behind. The result: brain fog, fatigue, mood swings, and more.

It’s not the protocol, it’s the overload. And without proper drainage and detox support, your body struggles to keep up.

Learn how to recognize and manage a Herx reaction in the latest blog - so you can stay on track and heal wisely. Link in the comment section.

09/17/2025

Exhaustion is not a lifestyle. It’s not “just aging.” And it’s not something you should learn to live with.

When your body is constantly tired, it’s waving a red flag - telling you there’s a deeper imbalance in your gut, your hormones, or your detox pathways.

Most doctors stop at surface-level answers. Functional Medicine asks: what’s draining your energy, and how do we unlock it?

If you’ve been dismissed, it’s time to dig deeper. This is where root-cause healing begins.

Your energy is waiting to be reclaimed.

Book your 15-minute complimentary discovery call today: https://app.outsmartemr.com/online-booking/804/8r91x9

I used to think stress was just something I had to live with.The deadlines. The traffic. The pressure to do it all, perf...
09/15/2025

I used to think stress was just something I had to live with.

The deadlines. The traffic. The pressure to do it all, perfectly.

But here's what I didn’t realize until I dove deeper: It's not just the stress itself that wears you down. It's how you see it.

A powerful 20-year study found that people who were most rattled by daily stress were 43% more likely to die early. Not because their lives were harder, but because their mindset made the stress more damaging.

The good news? That mindset can be changed. And in just 15 minutes, too.

I just published a new blog on what science is revealing about stress - and how a simple mental shift can turn it from a threat into a tool for growth, performance, and even better health.

This one change could make you calmer, more focused, and more resilient - without needing to overhaul your life.

Click the link in the comment section to read the full blog. Your breakthrough might be one mindset shift away.

You followed the fasting rules. But instead of fat-burning, energy, and clarity… you’re bloated, foggy, and drained.Here...
09/12/2025

You followed the fasting rules. But instead of fat-burning, energy, and clarity… you’re bloated, foggy, and drained.

Here’s what most people (and many protocols) miss:
If your gut is inflamed, sluggish, or imbalanced, fasting may backfire - releasing toxins your body can’t eliminate, disrupting blood sugar, and stirring up microbial chaos.

Fasting isn’t magic. It’s a tool. And without a healthy gut, that tool can quickly become a stressor.

In my latest blog, I explore why your digestion must be ready before fasting - and what to do if it’s not.

Read the full story in the comment section.

You feel tired before the day even starts.Your belly is bloated.The scale won’t move - no matter what you try.It’s easy ...
09/10/2025

You feel tired before the day even starts.
Your belly is bloated.
The scale won’t move - no matter what you try.

It’s easy to blame yourself.

But here’s what’s really happening:

When your body is in burnout - from stress, inflammation, toxin overload, or hormonal chaos - it hits pause on weight loss.

Why?
Because it’s in survival mode.

The answer isn’t to push harder.
It’s to restore balance - and reset the internal systems keeping you stuck.

Click the link in the comments to watch the training and learn what your body’s been trying to tell you all along.

You’re eating clean, working out, even cutting carbs… but the fatigue lingers, the cravings hit hard, and the scale refu...
09/07/2025

You’re eating clean, working out, even cutting carbs… but the fatigue lingers, the cravings hit hard, and the scale refuses to move.

It’s not your age. It’s not a lack of discipline. And it’s definitely not all in your head.

The truth? Your metabolism may be stuck in survival mode - triggered by unstable blood sugar, gut dysfunction, and inflammation you can’t feel but your body can’t ignore.

Cravings, brain fog, midsection weight, mood swings - these are metabolic messages, not failures.

Let’s unpack how blood sugar swings and gut imbalances quietly hijack your energy, mood, and fat-burning potential - and what to do about it.

Explore the root cause in our full blog. Link in the comments.

You’ve done it all:Restrictive diets. New workouts. Clean eating.But somehow, you keep ending up in the same place: exha...
09/03/2025

You’ve done it all:
Restrictive diets. New workouts. Clean eating.

But somehow, you keep ending up in the same place: exhausted, frustrated, and wondering why your body won’t respond.

It’s not because you failed.
It’s because the approach was never designed for your biology.

This post will show you why treating symptoms isn’t enough - and what actually needs to change for lasting results.

Click the link in the comment section to watch the free training that connects the dots and shows you what your body’s been missing.

“You need a gut reset.” It’s a phrase you’ve likely heard, but do you know what it really means?Because here’s the truth...
09/01/2025

“You need a gut reset.”
It’s a phrase you’ve likely heard, but do you know what it really means?

Because here’s the truth: your gut isn’t just about digestion. It’s your immune system, your energy, your mood, and your metabolism. When it’s inflamed, leaky, or out of balance, your entire body pays the price.

Tired after meals, bloated by evening, moody without warning, and struggling to lose weight despite eating clean? These aren’t random symptoms. They’re messages from your gut.

And the fix isn’t a cleanse or a magic supplement. It’s a step-by-step reset that heals from the inside out.

Let’s explore what a real gut reset looks like and how restoring balance in your gut could change everything from your energy to your waistline.

Read the full blog at the link in the comment section.

You’ve cut calories. You’ve hit the gym. You’ve tried every diet. But the scale won’t budge.What if your body isn’t stuc...
08/29/2025

You’ve cut calories. You’ve hit the gym. You’ve tried every diet. But the scale won’t budge.

What if your body isn’t stuck - it’s protecting itself?

Deep within, your liver and gut hold the keys to your metabolism. When these systems are overwhelmed, toxic, or inflamed, your body switches into fat-storage mode - even when you’re doing everything “right.”

This isn’t about willpower. It’s about biology.

Discover how your liver and gut may be sabotaging your weight and what to do to reignite real fat loss by working with your body, not against it.

Read the full blog at the comment in the comment section.

Address

97 Scollard Street
Toronto, ON
M5R1G4

Opening Hours

Monday 11am - 8pm
Tuesday 10am - 7pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 9am - 1pm

Telephone

+14165519577

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