Dr. David Nathan

Dr. David Nathan Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Dr. David Nathan, Doctor, 10 Saint Marks Road, Auckland.

I am Dr. David Nathan, Professor of Medicine at Harvard Medical School and Director of the Diabetes Center at Massachusetts General Hospital, specializing in diabetes and obesity, dedicated to advancing treatment and improving patient care worldwide.

11/07/2025

“Weight stigma hurts more than it helps.”
Obesity is not a choice. It's a complex, chronic medical condition influenced by biology, environment, and social factors.
As a doctor and researcher, I’ve spent over two decades studying the role of hormones like GLP-1 in appetite regulation and weight management.
We must stop blaming individuals and start offering them effective, evidence-based tools — including behavioural support, pharmacotherapy, and where appropriate, metabolic interventions.
🧠 Let’s treat obesity with the same empathy and science as any other chronic condition.

The Hidden Reason You Feel Tired, Bloated, and Stuck.Ever wonder why it feels so hard to lose weight as you get older?It...
26/05/2025

The Hidden Reason You Feel Tired, Bloated, and Stuck.

Ever wonder why it feels so hard to lose weight as you get older?
It’s not just about age — it’s about what happens inside your cells.

As we age, NAD+ levels decline.
NAD+ is like the spark plug of your metabolism. Without it, your energy drops, fat-burning slows, and everything feels harder.

Understanding your body’s natural biochemistry can help you make smarter choices — and stop blaming yourself.

Because lasting weight loss isn’t just about calories — it’s about supporting your body from the inside out.

Cravings Aren’t a Lack of Willpower – They’re a Biological Signal.Let’s clear something up:You’re not “weak” for craving...
26/05/2025

Cravings Aren’t a Lack of Willpower – They’re a Biological Signal.

Let’s clear something up:
You’re not “weak” for craving sweets or snacks.

Low GLP-1 levels in your body can disrupt your appetite signals, making you feel hungry even when your body doesn’t actually need food.

Add in poor gut health and declining NAD+, and your system is practically wired to store fat — no matter how hard you try.

The key isn’t to fight cravings — it’s to understand them.
When you work with your body’s natural processes, sustainable weight loss becomes possible.

26/05/2025

Let’s Be Honest: Diets Don’t Work Long-Term.

I’ve seen it over and over in my clinic:
You go on a strict diet, lose a few pounds, feel great…
But then?
You gain it all back. Sometimes more.

It’s not your fault.
Diets often fail because they don’t address the real issues:
✔️ Hormonal imbalances (like low GLP-1)
✔️ Sluggish metabolism (from declining NAD+)
✔️ Chronic inflammation from processed foods

That’s why I focus on science-based solutions that support your body naturally—like activating GLP-1 and restoring NAD+.
It’s not about punishment or restriction. It’s about working with your body, not against it.

Combining GLP-1 & NAD+: A Smarter, Science-Backed Approach to Weight LossSo, what happens when you support both GLP-1 an...
26/05/2025

Combining GLP-1 & NAD+: A Smarter, Science-Backed Approach to Weight Loss

So, what happens when you support both GLP-1 and NAD+? You get a synergistic effect that helps your body:

✅ Control appetite and cravings
✅ Burn fat more efficiently
✅ Boost energy levels naturally
✅ Improve overall metabolic health

That’s why I’m excited about 𝐏𝐄𝐀𝐊𝐀® 𝐆𝐋𝐏-𝟏 𝐒𝐥𝐢𝐦𝐦𝐢𝐧𝐠 𝐋𝐢𝐪𝐮𝐢𝐝 𝐏𝐞𝐚𝐫𝐥𝐬.

It’s a unique formula that combines GLP-1 activators like moringa and peppermint with NAD+ boosters, offering a holistic solution for weight management.

No harsh chemicals. No crazy restrictions. Just natural, science-backed support.

Meet NAD+: The Unsung Hero of Fat Burning & EnergyLet’s talk about another key player in weight management: NAD+.NAD+ is...
26/05/2025

Meet NAD+: The Unsung Hero of Fat Burning & Energy

Let’s talk about another key player in weight management: NAD+.

NAD+ is a molecule that helps your cells create energy. It’s essential for metabolism, fat burning, and even healthy aging. But here’s the catch: NAD+ levels decline as we age — starting as early as your 30s!

Low NAD+ = sluggish metabolism, less fat burning, more weight gain.

Supporting NAD+ isn’t just about weight — it’s about whole-body health. Think better energy, sharper focus, and even anti-aging benefits.

Why Losing Weight Feels So Hard (It’s Not Your Fault!)Ever wonder why it feels almost impossible to lose weight — even w...
26/05/2025

Why Losing Weight Feels So Hard (It’s Not Your Fault!)

Ever wonder why it feels almost impossible to lose weight — even when you eat healthy and exercise?

It’s not just about willpower. Your body has built-in systems designed to hold onto fat. One of the biggest factors is a hormone called GLP-1.

GLP-1 helps regulate appetite, slow digestion, and control blood sugar. But if your GLP-1 levels are low (which happens with age, stress, and processed foods), your body fights back when you try to lose weight. You get hungry, your metabolism slows, and fat sticks around.

The good news? Science has found ways to support GLP-1 naturally — and that’s a game-changer for weight loss.

Why Quick Fix Diets Don’t Work (and What Does)I get it — it’s tempting to try the latest fad diet that promises rapid we...
26/05/2025

Why Quick Fix Diets Don’t Work (and What Does)

I get it — it’s tempting to try the latest fad diet that promises rapid weight loss. But the reality is, most of these diets aren’t sustainable, and they often backfire.

The science is clear: the most effective weight management comes from long-term changes in habits, not temporary restrictions.

Focus on whole, nutrient-dense foods. Move your body regularly. Prioritize sleep and stress management.

That’s how you build a healthy life — not a short-term solution.

Sleep & Weight: The Missing Link You Can’t IgnoreWhen patients ask me why they’re struggling to lose weight despite eati...
26/05/2025

Sleep & Weight: The Missing Link You Can’t Ignore

When patients ask me why they’re struggling to lose weight despite eating well and exercising, I often ask, “How’s your sleep?”

Most are surprised to learn that poor sleep directly impacts metabolism, hunger hormones, and even how your body stores fat. Studies show that sleeping less than 7 hours a night increases cravings, lowers your ability to burn fat, and can lead to weight gain over time.

If you’re on a weight-loss journey, don’t underestimate the power of quality sleep. Your body — and your health — depend on it.

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10 Saint Marks Road
Auckland
1050

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