603-277-2199 info@grassrootsfm.com
  • Facebook
  • X
  • RSS
  • Facebook
  • X
  • RSS
  • SCHEDULE/PORTAL
GrassRoots Functional Medicine
  • ABOUT
    • WHAT IS FUNCTIONAL MEDICINE
    • WHY WE ARE DIFFERENT
    • MEET OUR TEAM
    • MEET DR. OSGOOD
    • TESTIMONIALS
    • FAQ
    • CONTACT
  • START HERE
    • OUR PROGRAMS
    • WOMEN’S WELLNESS EXPERIENCE
    • PEAK STATE MEMBERSHIP
    • TESTING THAT GETS RESULTS
    • GRASSROOTS PODCAST
  • SERVICES
    • PNOE METABOLIC ASSESSMENT
    • PEMF
    • HYPERBARIC OXYGEN THERAPY
    • INFRARED SAUNA
    • ZERO GRAVITY MASSAGE
    • BRAIN TAP
    • RED LIGHT THERAPY
    • COLD PLUNGE
    • LOW DOSE IMMUNOTHERAPY (LDI)
    • PEPTIDE THERAPY
  • FREE RESOURCES
    • KNOWLEDGE HUB
    • FREE E-BOOKS
    • FREE MASTER CLASSES
  • IV THERAPY
  • ONLINE STORE
Select Page
Leaky Gut Isn’t a Buzzword: How Excessive Intestinal Permeability Fuels Autoimmune Disease

Leaky Gut Isn’t a Buzzword: How Excessive Intestinal Permeability Fuels Autoimmune Disease

by Dr. Seth Osgood | Feb 4, 2026 | Blog, Featured Post, Latest Articles Category

Autoimmune Disease Rarely Starts Where We Think It Does Most autoimmune diseases don’t begin with abnormal lab work. They begin quietly — with fatigue that doesn’t make sense, joint pain that migrates, brain fog no one can explain, digestive issues that slowly worsen,...
The Blood Tests Your Doctor Isn’t Running: Autoimmune Markers That Get Ignored Every Day

The Blood Tests Your Doctor Isn’t Running: Autoimmune Markers That Get Ignored Every Day

by Dr. Seth Osgood | Jan 29, 2026 | Blog, Featured Post, Latest Articles Category

If you’ve ever been told “your labs are normal” while your body clearly isn’t — you’re not alone. And more importantly: you’re not imagining this. Autoimmune disease is one of the most common categories of chronic illness — and one of the most commonly missed....
Autoimmune Disease Explained: Why Your Immune System Is Turning on You And Why It’s Happening Now

Autoimmune Disease Explained: Why Your Immune System Is Turning on You And Why It’s Happening Now

by Dr. Seth Osgood | Jan 21, 2026 | Blog, Featured Post, Latest Articles Category

The Silent Autoimmune Epidemic Hiding in Plain Sight Fifty million Americans. That is the estimated number of people currently living with an autoimmune disease in the United States 1. Globally, autoimmune diseases affect approximately 5–8% of the population, making...
It’s Not “Just Lyme”: The Polymicrobial Reality Keeping You Sick

It’s Not “Just Lyme”: The Polymicrobial Reality Keeping You Sick

by Dr. Seth Osgood | Dec 31, 2025 | Blog, Featured Post, Latest Articles Category

Why Lyme Is Back in the Spotlight — and Why the Conversation Still Falls Short Lyme disease has re-entered the national conversation. Public discussions — including a widely publicized roundtable involving Robert F. Kennedy Jr. — have brought long-overdue attention to...
SIBO: The Silent Wildfire Destroying Digestion (And Why No One Has Given You the Answers You Deserve)

SIBO: The Silent Wildfire Destroying Digestion (And Why No One Has Given You the Answers You Deserve)

by Dr. Seth Osgood | Dec 23, 2025 | Blog, Featured Post, Latest Articles Category

I didn’t come to functional medicine through textbooks or conferences. I came to it through suffering. Digestive problems shaped my childhood. Five out of the six Osgood family members had what doctors called IBS. Bloating, urgency, pain, unpredictability — that was...
Low Dose Immunotherapy (LDI): A Breakthrough Immune Reset for a World on Fire

Low Dose Immunotherapy (LDI): A Breakthrough Immune Reset for a World on Fire

by Dr. Seth Osgood | Dec 17, 2025 | Blog, Featured Post, Latest Articles Category

The Immune System Is in Crisis—and So Are We We are living through a time of unprecedented immune system instability. Autoimmune illnesses are rising at rates we’ve never seen before. Allergies are everywhere. Food intolerances are now so common they’re practically...
« Older Entries

Contact Us

Recent Posts

  • Leaky Gut Isn’t a Buzzword: How Excessive Intestinal Permeability Fuels Autoimmune Disease
  • The Blood Tests Your Doctor Isn’t Running: Autoimmune Markers That Get Ignored Every Day
  • Autoimmune Disease Explained: Why Your Immune System Is Turning on You And Why It’s Happening Now

CONTACT US

Phone: 888-644-7668
Email:  info@grassrootsfm.com

 89 South Main Street
West Lebanon, NH 03784

HOURS:
Monday–Thursday, 8:00 am–5:00 pm
Closed Friday

  • Follow
  • Follow
  • Follow
  • Follow

YOUR NEXT STEPS

After you have reviewed the information on our website and in our downloadable guides, we’d love to hear from you – to answer more specific questions about our approach and track record. Simply apply for a free discovery consult with our patient coordinator at 888-644-7668 or via our online appointment scheduler.

AREAS SERVED

GrassRoots Functional Medicine  is located in Lebanon, New Hampshire, and serves clients nationwide with a primary focus in Vermont, New Hampshire, New York, Florida, and Texas. These areas include but are not limited to Windsor County, Lebanon, NH, Enfield, NH, Hanover, NH, Claremont, NH, Lyme, NH, New London, NH, Claremont, NH, Claremont, Cornish, NH, Grantham, NH, Orford, NH, Hartford, VT, White River Junction, VT, Fairlee, VT, Hartland, VT, Norwich, VT, Thetford, VT, Woodstock VT, Burlington, VT, Plattsburgh, NY, Austin, TX.

© 2025 GrassRoots Functional Medicine | Privacy Policy | Terms & Conditions | Disclaimer