Metabolic & Regenerative Medicine · Patient Education
Nutrition, Inflammation & the living fascial system
Fascia is an organ system — and like any organ, it can be measured, inflamed, and optimized. It is largely fluid, richly immune-active, and exquisitely sensitive to what you eat and how you metabolize it. Here’s the science of how nutrition and inflammation shape your fascia, and how we use lab testing, genomic screening, and our metabolic programs to change it.
Jacques Courseault, MD, CAQSM, FAAPMR · The Fascia Institute and Treatment Center®
· Inflammation · Nutrition · Genomics / FIT GPS · Lipedema / FLIP
01 · Fascia Is an Organ System
Not inert packing — a living, tunable tissue
Fascia is the continuous connective-tissue network that wraps and links every muscle, nerve, vessel, and organ. It deserves to be treated and optimized like any other organ system. Conventional medicine reaches first for drugs, but a great deal of fascial health is metabolic: it responds to inflammation, body composition, and nutrition.
That responsiveness is measurable. Even weight loss alone shifts the body’s chemistry toward healing — lowering pro-inflammatory molecules and raising anti-inflammatory ones (Forsythe et al., Lipids, 2008). In other words, the right adjustments to your diet and metabolism can improve fascial health — and, with it, reduce pain and restore better biomechanical function.
02 · The Fluid Truth
Your fascia is mostly moving fluid
In 2018, researchers described the interstitium — a body-wide network of fluid-filled spaces running through the skin, the gut, the vessels, and, notably, the fascia between muscles. The finding, reported in Scientific Reports and covered by The New York Times, reframed tissue once thought to be dense and solid as interconnected, fluid-filled compartments supported by collagen and elastin.
This matters for pain. The interstitium acts like a shock absorber and a highway for moving fluid — and the researchers noted it may help explain the spread of cancer and the progression of fibrotic, sclerotic, and inflammatory diseases. When that fluid environment turns inflammatory, fascia loses its glide, thickens, and hurts. Restore a healthy fluid-and-chemical environment, and fascia can move — and feel — the way it should.
Why we emphasize this
If fascia is a fluid system, then what fills that fluid — inflammatory or anti-inflammatory signals — is a lever we can actually pull. That’s the bridge between the food on your plate and the tissue under the ultrasound probe.
03 · The Mechanism
How inflammation injures and sensitizes fascia
When fascia is injured, the body launches an inflammatory response: white blood cells and other immune cells rush in. In the short term this is protective. But those cells also release signaling molecules and enzymes that break down muscle, fascia, and other soft tissue. One cytokine in particular — interleukin-6 (IL-6) — drives both painful signaling and continued inflammation, alongside partners like TNF-α and C-reactive protein.
The full inflammatory cascade is complex, with many cell types talking to one another. Most drug strategies work by nudging one of these signals up or down to change the pain response. The important insight for patients is this: the same signals can be influenced by food and metabolism — which is why nutritional intervention is a legitimate, evidence-supported strategy for lowering inflammation and pain, not a fringe idea.
04 · Food Is a Signal
Eating to turn inflammation down
Different diets send different chemical messages. In a systematic review and meta-analysis of randomized trials, a Mediterranean-style pattern produced pronounced reductions in IL-6, IL-1β, CRP, IL-8, and TNF-α — the very molecules that keep fascia irritated (dietary patterns & inflammation meta-analysis, 2022).
Tends to Inflame
Refined carbohydrates & added sugar · ultra-processed foods · excess omega-6 seed oils · high intake of red / processed meat · alcohol in excess
Tends to Calm
Olive oil & monounsaturated fats · omega-3s (fatty fish) · vegetables, fruit & polyphenols · nuts, seeds, legumes · whole, minimally processed foods
No single food is magic, and this isn’t about a crash diet. It’s about steadily lowering your inflammatory load so your fascia has a calmer environment in which to heal. For many patients, that alone reduces pain and improves how they move.
05 · Your Genetic Baseline
Genes set the terrain — and we can screen for it
How efficiently you metabolize nutrients, clear inflammation, and build connective tissue is partly written in your genes. A leading example is MTHFR, the gene that governs folate metabolism and methylation. Our own research shows just how directly this reaches the fascia: reduced MTHFR activity appears to dysregulate an enzyme (MMP-2) that cleaves decorin, a proteoglycan that organizes collagen — leading to extracellular-matrix disorganization and fibrosis (Courseault et al., Heliyon, 2023).
It’s common, too. In our hypermobility clinic, about 85% of patients with hypermobile EDS or spectrum disorders carried MTHFR variants, versus roughly 35% of the general population (Courseault et al., ACR Open Rheumatology, 2024). That’s why we look under the hood.
What we actually measure
Our FIT GPS Genomic Performance Screen — paired with targeted lab work like inflammatory markers and folate status — turns “eat healthier” into a specific, personalized plan: the nutrients your genes need more of, the ones you don’t methylate well, and the inflammation you can actually track over time. See our published research →
06 · When Fluid & Inflammation Collect
Lipedema, inflammation, and the FLIP program
Sometimes the fluid-and-inflammation story becomes the whole clinical picture. In lipedema, inflamed, fibrotic fat and fluid accumulate in the connective tissue — painful, resistant to ordinary dieting, and closely tied to the fascial and interstitial system. Encouragingly, the metabolic approach measurably changes the biology: in women with lipedema, dietary change altered cytokines and fibrotic growth factors, not just the scale (cytokine & fibrotic-factor study in lipedema, 2025).
That’s the foundation of our FLIP program — physician-run, connective-tissue-aware GLP-1 and metabolic care built for patients with lipedema, hypermobility/EDS, and mast-cell activation, where inflammation has a metabolic layer. It’s slow, monitored, and paired with the same labs and genomic screening above. Learn more in Dr. Courseault’s clinical commentary on GLP-1, mast cells, and the hypermobile body.
07 · Putting It Together
Measure it, calm it, then free it
Optimizing fascia is a sequence, not a single fix. We measure your baseline, lower the inflammatory and metabolic drivers, and then treat the mechanical restrictions that remain — and we retest to confirm you’re moving in the right direction.
Measure
FIT GPS & Lab Testing
Genomic performance screening plus targeted labs (inflammatory markers, folate / methylation) to find your personal drivers — the terrain we’re working with.
Calm
Nutrition & FLIP
An anti-inflammatory nutrition plan for everyone — and, where it fits, the physician-run FLIP metabolic / GLP-1 program for lipedema, hypermobility, and MCAS.
Free
Fascial Treatment
When restrictions remain, ultrasound-guided Hydrofascia Release™ frees the thickened, adhered fascia that inflammation left behind — restoring glide and flow.
References & Further Reading
1. Forsythe CE, Phinney SD, Fernandez ML, et al. Comparison of Low Fat and Low Carbohydrate Diets on Circulating Fatty Acid Composition and Markers of Inflammation. Lipids. 2008. — Springer
2. Kolata G. Scientists Discover a Previously Unknown Feature of Human Anatomy (the interstitium). The New York Times, Mar 31, 2018. — NYTimes
3. Benias PC, Wells RG, Sackey-Aboagye B, et al. Structure and Distribution of an Unrecognized Interstitium in Human Tissues. Sci Rep. 2018. — Scientific Reports
4. Effects of Dietary Patterns on Biomarkers of Inflammation and Immune Responses: A Systematic Review and Meta-Analysis of RCTs. Adv Nutr. 2022. — PMC
5. Courseault J, et al. Folate-dependent hypermobility syndrome: A proposed mechanism and diagnosis. Heliyon. 2023. — Heliyon
6. Courseault J, et al. Prevalence of MTHFR Polymorphisms in Patients With hEDS and HSD in a US Hypermobility Clinic. ACR Open Rheumatol. 2024. — Wiley
7. Changes in Cytokines and Fibrotic Growth Factors after Low-Carbohydrate or Low-Fat Low-Energy Diets in Females with Lipedema. 2025. — PMC
This page is for general education and is not medical advice, nor does it create a physician–patient relationship. Nutrition and genomic findings should be interpreted with a qualified clinician; do not start or change a diet, supplement, or medication without professional guidance. The Fascia Institute and Treatment Center® · 2520 Harvard Ave, Ste 2B, Metairie, LA 70001 · (504) 704-1254.
