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Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 3pm

GrassRoots Functional Medicine

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United States
West Lebanon, NH
GrassRoots Functional Medicine

We help patients uncover the root cause of chronic symptoms through advanced functional testing, personalized protocols, and comprehensive wellness programs.

Located in West Lebanon, NH. Serving NH, VT, and beyond, we help you reclaim your health. Seth Osgood is a Board Certified Family Nurse Practitioner and a Certified Practitioner through the Institute of Functional Medicine. He has helped people from around the world identify the root causes of complex health conditions while working at Austin UltraHealth the clinic of Dr. Amy Myers. His true passion is helping individuals to build a life that revolves about physical, emotional, and spiritual well being. He is blessed with a beautiful wife and four amazing children.

03/03/2026

Cold plunges and breathwork are not wellness trends they are metabolic signals your body expects.

Modern life keeps you comfortable but comfort lowers resilience.

No temperature change, constant food, low movement, high screen stress.

Your biology responds to controlled stress.

It improves mitochondrial function, blood sugar regulation, nervous system balance, and inflammation control.

This is called hormesis and it is one of the most overlooked tools in lifestyle medicine and root cause healing.

The real benefit is not just feeling better it is rebuilding metabolic flexibility.

👉 Explore our Knowledge Hub to learn how to naturally rebuild energy and resilience. Link in comments.

03/02/2026

Most thyroid symptoms don’t come from low thyroid.

They come from blocked thyroid hormone activation.

Your body makes T4, but your cells need T3 for energy and metabolism.

Stress, inflammation, gut dysfunction, and nutrient deficiencies can convert T4 into reverse T3, the metabolic brake.

So your labs look normal while your body feels exhausted, cold, puffy, and foggy.

This is why grassroot functional medicine focuses on root cause healing and hormone balance, not just TSH numbers.

👉 Visit the GrassRoots Knowledge Hub to watch the full Thyroid video – link in comments.

02/27/2026

Your body is not low energy it is under challenged.

Constant comfort lowers mitochondrial function, weakens metabolism, and disrupts blood sugar and stress hormones.

Strategic stress called hormesis activates cellular repair, improves metabolic health, supports nervous system balance, and strengthens resilience.

Most people chase supplements while very few intentionally train their biology.

👉 Visit our Knowledge Hub to learn how to naturally rebuild energy and resilience - link in comments.

02/27/2026

The black box warning on hormone replacement therapy has been lifted.

But here’s the real question:

Is your doctor able to clearly explain:
✔️ The updated risks and benefits?
✔️ Who is an appropriate candidate — and who isn’t?
✔️ How labs should guide dosing?
✔️ Why ongoing monitoring matters?
✔️ How lifestyle and metabolic health change the conversation?

Hormone therapy isn’t reckless.
It requires precision.

Dr. Osgood outlines the red flags to watch for when discussing HRT — because if the conversation lacks nuance, monitoring, or individualized lab work, the ball may be getting dropped.

This isn’t about pushing hormones.
It’s about practicing informed, modern medicine.

Watch. Learn. Advocate.

02/26/2026

Feeling terrible with “normal labs” is more common than you think.

Many autoimmune conditions take years to diagnose. During that time the immune system is not idle. It is slowly losing tolerance and reacting to internal signals influenced by gut health, inflammation, stress hormones, and nutrient status.

Autoimmune dysfunction is not bad luck and not an overactive immune system. It is miscommunication within the whole body network.

If you have seen multiple doctors but still have no answers, there may be early immune imbalance.

Visit our Knowledge Hub to watch the full Lyme Disease video - link in comments.

02/23/2026

Your immune system does NOT create antibodies for no reason.

If you have a positive ANA or other autoantibodies, that is a signal.

Research shows autoantibodies can appear years before an autoimmune diagnosis.

In Grassroot functional medicine, we do not ignore immune markers. We ask why immune tolerance is shifting. Gut health, chronic inflammation, hormone imbalance, nutrient deficiencies, and nervous system stress can all influence immune regulation.

Suppressing symptoms may quiet the alarm.

If your labs were called “insignificant,” there may be more to uncover.

👉 Visit the GrassRoots Knowledge Hub to watch the full Autoimmune video - link in comments.

02/21/2026

You’re NOT supposed to avoid all stress.

Feeling tired, inflamed, and low energy can happen when the body never gets the right signals to adapt.

Short, intentional stress like cold exposure, heat therapy, and intense movement activates hormesis. This process supports metabolism, brain health, hormone balance, and lowers chronic inflammation by training the nervous system to become more resilient.

Comfort all the time can weaken the system.

Comment HORMESIS below and we will DM you how to start safely.

02/20/2026

Most brain decline does NOT start in the brain.

It often starts with everyday habits that quietly create inflammation, blood sugar swings, hormone imbalance, and gut dysfunction.

Poor sleep, chronic stress, toxins, and sedentary living all disrupt the gut brain connection and nervous system signaling.

Over time the brain simply adapts to survival instead of performance.

Curious which of these habits affects you most?

Comment BRAIN and we will DM you the details.

02/20/2026

Most people aren’t looking for more prescriptions.
They’re looking to finally feel understood.

At GrassRoots Functional Medicine, we do things differently:

𝗪𝗲 𝗹𝗶𝘀𝘁𝗲𝗻 — because your story matters.
𝗪𝗲 𝘁𝗲𝘀𝘁 — beyond basic lab ranges.
𝗪𝗲 𝗽𝗲𝗿𝘀𝗼𝗻𝗮𝗹𝗶𝘇𝗲 — no cookie-cutter protocols.
𝗪𝗲 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 — long after the first appointment.

This isn’t about quick fixes.
It’s about understanding what your body has been trying to tell you.

If you’ve been told everything looks “normal” but you don’t feel normal, start here 👇

👉 Tap into the 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗛𝘂𝗯 and take a deeper dive into chronic symptoms, labs, hormones, and immune health - link in first comment

02/19/2026

Your thyroid symptoms may NOT be a thyroid problem.

Fatigue, brain fog, weight resistance, and low mood can show up even when TSH is “normal.”

That is because hormone balance depends on gut health, nutrient status, stress response, and inflammation.

If the body cannot properly convert thyroid hormone, metabolism can slow despite basic labs looking fine.

Grassroot Functional medicine focuses on root cause healing by measuring the full picture, not just one marker.

Most people never test the systems that control thyroid function.

Comment THYROID to start understanding what your body may really need.

02/18/2026

Fatigue may NOT be a thyroid medication problem.

It could be reverse T3.

Chronic stress and high cortisol can block thyroid hormone conversion, pushing T4 into reverse T3 instead of active T3. Under eating, aggressive fasting, nutrient deficiencies, gut dysfunction, and toxin exposure can all slow metabolism and disrupt hormone balance.

When the body feels overwhelmed, it conserves energy. That is a survival response, not a failure.
Grassroot Functional medicine focuses on root cause healing by supporting gut health, stress resilience, nutrient status, and metabolic health together.

Comment THYROID below and we will DM you how to support healthy thyroid conversion.

02/15/2026

More than a job. A role that matters.
Our Operations Lead helps create a calm, welcoming experience for every patient and supports the heart of our clinic. This full-time, in-office position is Monday–Thursday, 8:00–5:00.
If this sounds like you (or someone you know), email a cover letter and resume to office@grassrootsfm.com

Address

West Lebanon, NH
03784

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 3pm

Website

http://www.GrassRootsFunctionalMedicine.com/, https://rootfixstore.com/, https://grassrootsfunctionalmedicine.com/peakst

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