The Foundation of Organ Function Starts at the Capillary Level
GlycoCheck® Vascular Health Assessment)
At James Clinic, we use the GlycoCheck® vascular health assessment to evaluate the health of the endothelial glycocalyx, the delicate, protective layer lining your capillaries that governs blood flow, oxygen delivery, inflammation, and cellular exchange. This is where cardiovascular, cognitive, renal, and peripheral health quietly rise or fall.
Chesterfield, MO · Ankeny, IA · Chariton, IA · Virtual visits available
What the Glycocalyx Actually Is (and Why It Matters)
The endothelial glycocalyx is a microscopic, gel-like layer that coats the inside of your blood vessels.
It is responsible for:
- Regulating blood flow at the capillary level
- Protecting the vessel wall from inflammation
- Controlling oxygen and nutrient delivery
- Preventing abnormal clotting and leakage
- Supporting nitric oxide signaling
When the glycocalyx is healthy, organs receive what they need.
When it is damaged, dysfunction follows long before traditional disease is diagnosed.
This damage is invisible on standard labs.
What GlycoCheck Measures
Using advanced optical technology, GlycoCheck® non-invasively assesses:
- Glycocalyx thickness and integrity
- Capillary density and perfusion
- Microvascular flow quality
- Endothelial function
This allows us to see early vascular dysfunction that precedes:
- Cardiovascular disease
- Cognitive decline
- Kidney dysfunction
- Peripheral circulation issues
This is not guesswork.
This is objective microvascular data.
Why Capillary Health Is Whole-Body Health
Every organ system depends on capillary integrity.
Brain & Cognitive Function
The brain is one of the most capillary-dense organs in the body.
Glycocalyx damage is associated with:
- Brain fog
- Cognitive slowing
- Neuroinflammation
- Increased dementia risk
Healthy capillaries mean better oxygenation, nutrient delivery, and waste removal in neural tissue.
Heart & Cardiovascular Health
Long before blockages appear in large arteries, dysfunction begins in the microvasculature.
Glycocalyx impairment is linked to:
- Endothelial dysfunction
- Hypertension
- Atherosclerotic progression
- Reduced exercise tolerance
This assessment helps identify risk before overt cardiovascular disease develops.
Kidney Function
The kidneys rely on finely tuned microvascular flow to filter blood effectively.
Capillary dysfunction contributes to:
- Reduced filtration efficiency
- Progressive renal stress
- Worsening metabolic and blood pressure control
Microvascular health is renal health.
Extremities & Peripheral Circulation
Cold hands and feet, numbness, delayed healing, and exercise intolerance often reflect capillary dysfunction, not nerve or muscle disease alone.
The GlycoCheck allows us to evaluate circulation at the level that actually matters.
Why This Test Is Different From Traditional Vascular Screening
Most vascular tests look at large vessels. GlycoCheck looks where disease begins.
This test:
- Is non-invasive
- Takes only minutes
- Requires no contrast or needles
- Provides immediate, actionable insight
It fills a critical blind spot in traditional medicine
This Is Not Static Information
One of the most important principles at James Clinic:
Microvascular health is modifiable.
Glycocalyx integrity can improve with:
- Reduced inflammation
- Improved metabolic control
- Optimized sleep and recovery
- Targeted nutritional and supplement support
- Hormone optimization when appropriate
- Vascular and mitochondrial therapies
GlycoCheck gives us a baseline and a way to track real physiologic improvement over time.
How We Use GlycoCheck at James Clinic
GlycoCheck is never used in isolation.
Results are integrated with:
- Metabolic and cardiovascular assessment
- Hormone optimization
- Cognitive and neurologic evaluation
- VO₂ max and performance data
- Inflammatory and longevity strategies
This allows us to connect symptoms across systems instead of treating them separately.
Who Benefits Most From GlycoCheck Testing
This assessment is particularly valuable for individuals who:
- Want early insight into cardiovascular risk
- Experience brain fog or cognitive decline
- Have metabolic syndrome or insulin resistance
- Have kidney or blood pressure concerns
- Experience poor circulation or exercise intolerance
- Are focused on longevity and prevention
You do not need diagnosed disease to benefit.
This test is about seeing earlier and acting smarter.
What You’ll Learn With CGM at James Clinic
The GlycoCheck assessment is:
- Non-invasive
- Comfortable
- Performed in-office
- Completed in minutes
A small sensor evaluates capillary flow under the tongue, providing immediate insight into endothelial health.
Simple to experience. Powerful in implication.
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Dave GreeneTrustindex verifies that the original source of the review is Google.
The entire staff is very friendly and sincerely interested your health. I have had blood tests done that my insurance primary has never heard of and that revealed issues that he was unaware of. James clinic diagnosed the cause and cured tge problem. They are the best!Posted on Google![]()
steven marchantTrustindex verifies that the original source of the review is Google.
The James Clinic is like stepping into a different world,they care about their patients! I've been with them several years, it's a five hour drive for me. They seem more like family That's hard to find! I would suggest the James Clinic 100 percent.Posted on Google![]()
Deanna MartinTrustindex verifies that the original source of the review is Google.
I love the James Clinic and everyone there! I have learned so much about how to improve my health and not just how to treat my symptoms. They are so real there. They talk to you. They engage on a personal level and really care about my health and wellness. I feel very in control of my healthcare rather than being controlled by the provider or insurance company. I highly recommend this clinic and its providers!!Posted on Google![]()
Maria CTrustindex verifies that the original source of the review is Google.
Exceptional from the staff at the front door, throughout the clinic, the advance practice HCPs and Dr. James herself! Do yourself a favor and make the investment in your OPTIMAL state of health. Come educated. Come curious. They love having discussions. The testing and health optimization tools they offer are exceptional.Posted on Google![]()
Brad SmythTrustindex verifies that the original source of the review is Google.
I cannot say enough positive things about Dr James and her entire staff. We work primarily with Sara Taylor, NP, and she has been nothing short of amazing. Our whole family, including my two teenage boys, have been with them for over a year now and we are thankful every day that we found them. One of my teenage sons has ASD, on top of numerous health issues and the attention Sara and the team has given to help him has been life changing!Posted on Google![]()
Brett & Connie RobertsTrustindex verifies that the original source of the review is Google.
Sara Taylor is awesome! She has taken care of all my outpatient needs for more than 18 months! 10/10 all the timePosted on Google![]()
Jennifer LymanTrustindex verifies that the original source of the review is Google.
In addition to being incredibly knowledgable, I really appreciate the care Kate takes with her patients. It's very valuable to me that they are functional medicine physicians/NPs at this practice vs those who wear the doctor title without having medical training.Posted on Google![]()
Joanne CurranTrustindex verifies that the original source of the review is Google.
NPs Justina Timms and Sarah Taylor are always incredibly well prepared, knowledgeable and take all the time needed to explain labs and test results to me in ways that I can understand. Their professionalism and expertise continue to astound me. They also check in after procedures or explanations with well documented follow up. In addition, every nurse at the clinic is warm, friendly, personable, knowledgeable and professional to the Nth degree! Theresa, Michelle, Whitney, Lauren, Brenda, Mary and Chelsea all work hard and are extremely timely when completing procedures such as HBOT and MDI treatments. I have nothing but the highest regard for the James Clinic and all who work there including their lead Dr. Mollie James. My gratitude runs deep for their services.
Assess Your Vascular Foundation
GlycoCheck allows us to identify and address vascular vulnerability early, when intervention is most effective and least invasive.
This is how precision medicine protects the brain, heart, kidneys, and extremities at the same time.
Chesterfield, MO · Ankeny, IA · Chariton, IA · Telehealth