In which states is Geviti available?

Geviti is available in 29 states including AZ, CA, CO, DE, FL, GA, IL, IN, KS, LA, MA, MD, MI, MN, MO, MS, NC, NH, NM, NV, OH, OR, PA, TN, TX, UT, VA, WA, WI.

What free at-home bloodwork option is included with my membership?

As part of your membership, you receive the 'Longeviti Panel' testing twice a year, evaluating over 90 biomarkers.

Are the cost of supplements or prescriptions included in the membership fee?

The membership fee provides access to our range of supplements and prescription services; however, the costs for these items are not included and are priced separately.

Why Standard Labs Aren't Enough: A Guide to Functional Medicine Labs [2025]

In the quest for a longer, healthier life, we often look to exercise, nutrition, and mental well-being as primary contributors to our overall health. While these are undeniably important, there’s another critical piece of the puzzle that often gets overlooked—bloodwork and biomarker testing. This powerful tool can unlock insights into your body’s internal health, helping you optimize your lifestyle and prevent chronic illnesses. Here's why regular bloodwork and biomarker monitoring are essential for achieving longevity.

Topic - Diagnostics

29 Sept 2025 • 10 min read

Why Standard Labs Aren't Enough: A Guide to Functional Medicine Labs [2025]
The problem with standard lab work
Why 'normal' doesn't always mean healthy
How standard labs miss early warning signs
A Different Way to Look at Your Health
What is functional medicine lab testing?
Benefits of functional lab interpretation
The rise of at-home functional lab testing
What Functional Lab Tests Can Reveal
Hidden Nutrient Deficiencies
Hormonal Imbalances and Stress Patterns
Gut Dysfunction and Microbiome Issues
Early Signs of Cardiovascular Risk
Getting Started with Functional Medicine Testing
Finding the Right Tests for You
The At-Home Testing Process
Testing Frequency That Makes Sense
What Sets Geviti Apart
Takeaways
FAQs

Why Standard Labs Aren't Enough: A Guide to Functional Medicine Labs [2025]

You walk out of your doctor's office with "normal" test results, yet something still feels off. Most standard blood tests examine around 20 biomarkers — a narrow window into your health that often misses the bigger picture. Functional medicine labs take a different approach, analyzing 90+ markers to reveal patterns that traditional testing overlooks.

The difference lies in how these tests interpret your results. Standard labs rely on reference ranges based on statistical averages from entire populations, including people with chronic conditions. Functional medicine labs use tighter, optimal ranges designed to catch imbalances before they become problems. Rather than waiting for disease to develop, these tests focus on identifying root causes through personalized analysis.

But functional medicine testing goes beyond early detection. These labs examine multiple body systems at once, painting a more complete picture of how your body functions. They can uncover gut microbiome imbalances that might explain persistent digestive issues like bloating or irritable bowel syndrome. The catch? Comprehensive testing traditionally comes with a steep price tag — often over $2,000 when paid out of pocket at standard labs.

That's where companies like Geviti come in. By making functional bloodwork more accessible, they're helping people get the detailed analysis of 90+ critical biomarkers without the premium cost, opening the door to better health insights for those ready to take control of their wellness journey.

The problem with standard lab work

"Your labs look normal." You've probably heard those words before, yet you still feel exhausted, foggy, or just not right. This disconnect happens more often than you might think, and it's not all in your head.

Why 'normal' doesn't always mean healthy

Here's the issue: normal lab ranges are statistical averages, not optimal health indicators. Standard labs establish these ranges based on what's typical for 95% of the population. But many people in that "normal" group aren't actually healthy. As chronic disease rates climb, these ranges shift to accommodate declining health standards.

Take thyroid function, for example. A "normal" thyroid-stimulating hormone (TSH) range typically spans from 0.5 to 4.5 mIU/L. However, many hormone specialists consider 0.5 to 2.5 mIU/L optimal for wellness. This significant gap between "normal" and "optimal" exists for numerous biomarkers.

Lab results that fall at the extreme ends of the normal range often get overlooked too. A doctor might dismiss borderline high blood urea nitrogen (BUN) values, attributing them to dehydration before testing. Clinicians frequently miss abnormal vital signs that precede patient deterioration.

How standard labs miss early warning signs

Standard testing is designed to detect diseases, not the subtle imbalances that come before them. By the time your biomarkers fall outside normal ranges, significant damage may have already occurred. Insulin resistance, for instance, can develop years before it shows up in routine bloodwork.

Most standard labs provide only a snapshot of your health at a single point in time. They rarely reveal patterns or trends that could indicate emerging problems. What's particularly concerning? Diagnostic errors occur in approximately 0.012% to 0.6% of all tests.

There's another serious limitation: immunoassays (the most common lab testing method) have an analytical error rate of 0.4-4%, considerably higher than other routine tests. These errors lead to both false positives and false negatives, potentially resulting in unnecessary treatments or missed diagnoses.

Functional medicine labs address these shortcomings by using tighter, optimal ranges rather than broad statistical averages. They focus on identifying subtle imbalances before they become full-blown conditions. Geviti's approach examines these markers through a functional lens, making optimal bloodwork interpretation accessible and affordable for those seeking true health optimization.

A Different Way to Look at Your Health

What if your blood could tell a more complete story about how your body actually works? Functional medicine labs shift the focus from simply detecting disease to understanding how well your cells, organs, and systems function together.

What is functional medicine lab testing?

Functional medicine lab testing looks for the why behind your symptoms, not just the what. These tests examine how your body functions in real-time, providing a more detailed evaluation than standard blood work. The key difference lies in the ranges used — functional medicine applies narrower, research-based ranges that help identify imbalances before they develop into full conditions. This proactive approach allows practitioners to spot patterns early, creating opportunities for intervention rather than just management.

Benefits of functional lab interpretation

The advantages extend well beyond what standard testing offers. These specialized tests catch underlying issues that conventional labs frequently miss. More importantly, they enable practitioners to create treatment plans that address root causes instead of masking symptoms. The early detection aspect can actually save money over time, identifying problems before they require expensive treatments or medications. Instead of waiting for disease to manifest, functional testing reveals dysfunction at the cellular level, making prevention possible. By examining metabolic, inflammatory, hormonal, and cardiovascular markers simultaneously, practitioners can identify subtle dysfunctions that traditional testing overlooks.

The rise of at-home functional lab testing

People want more control over their health decisions, and at-home functional testing delivers exactly that. No more waiting weeks for appointments just to get your blood drawn. These tests measure biomarkers across hormones, nutrition, inflammation, and immune function. Users frequently discover issues they never knew existed: digestive problems, hormone imbalances, food sensitivities that standard testing missed. Several companies now offer extensive testing panels with personalized recommendations. Geviti has made this type of detailed analysis more accessible, removing the typical cost barrier that keeps people from getting the insights they need for optimal health.

What Functional Lab Tests Can Reveal

Standard lab ranges only scratch the surface. Functional medicine testing digs deeper, uncovering health patterns that conventional testing routinely overlooks.

Hidden Nutrient Deficiencies

Your diet might look perfect on paper, but absorption tells a different story. Functional medicine blood work examines micronutrient levels inside your cells — not just what's floating around in your bloodstream. These tests reveal deficiencies in essential nutrients like vitamin D, B12, iron, and magnesium. Such shortfalls can explain persistent fatigue, weakened immunity, and increased risk for chronic diseases down the road.

Hormonal Imbalances and Stress Patterns

Hormone testing in functional medicine goes beyond basic panels. These tests assess sex hormones like estrogen, progesterone, and testosterone alongside adrenal hormones including cortisol and DHEA. Functional interpretation evaluates thyroid function more thoroughly, often catching dysfunction even when thyroid markers appear normal. These patterns reveal how daily stress impacts your hormones, frequently explaining those mysterious symptoms like afternoon crashes, mood swings, and restless nights.

Gut Dysfunction and Microbiome Issues

Your gut influences far more than digestion — it affects immunity, mood, and overall health. Advanced blood and stool testing identifies bacterial imbalances, inflammation markers, and digestive enzyme activity. Recent research shows gut microbiome testing can distinguish healthy individuals from those with disease with 80% accuracy.

Early Signs of Cardiovascular Risk

Functional medicine labs can spot cardiovascular trouble years before symptoms appear through tests like high-sensitivity CRP, homocysteine, and detailed cholesterol fractions. These biomarkers reveal inflammation and metabolic dysfunction that contribute to heart disease risk.

Getting Started with Functional Medicine Testing

So you're ready to dig deeper into your health. The question now is: which tests should you consider first?

Finding the Right Tests for You

Start with a conversation about your specific health concerns and goals. A well-rounded functional blood panel usually covers inflammation markers like hs-CRP, complete thyroid panels, blood sugar indicators, and liver function markers. Many practitioners begin with essential nutrient testing — checking levels of iron, B12, magnesium, and vitamin D. Your personal symptoms and health history will guide which additional specialized tests might be worth pursuing.

The At-Home Testing Process

At-home functional medicine testing has simplified getting the blood work you need. Companies like Geviti can arrange for mobile phlebotomists to come directly to your home or office. The process works like this: schedule your appointment, a certified professional draws your blood, and samples go straight to the lab for analysis. You'll access your results through a secure online platform.

Testing Frequency That Makes Sense

Your first comprehensive test establishes a baseline — think of it as your health snapshot. After that, follow-up testing every 3-6 months helps track how your body responds to any changes you make. This regular monitoring reveals trends and patterns that single tests can't capture.

What Sets Geviti Apart

Geviti offers something different: testing of over 90 biomarkers twice yearly, paired with personalized care plans based on your specific results . They handle the logistics with convenient at-home draws while keeping costs reasonable, making functional medicine bloodwork accessible without the typical premium pricing.

Takeaways

The gap between "normal" and "optimal" health is wider than most people realize. Standard bloodwork tells you whether disease is present — functional testing shows you how well your body actually works.

Think of it this way: standard labs wait for problems to develop, while functional testing catches them early. This shift in timing can make the difference between managing chronic conditions and preventing them entirely.

Your symptoms often point to imbalances that standard testing misses. Fatigue, brain fog, digestive issues, and mood swings may signal nutrient deficiencies, hormonal disruptions, or inflammatory processes that won't show up in typical bloodwork. Functional medicine labs examine these connections across multiple body systems.

Regular monitoring matters more than one-time testing. Establishing your baseline and tracking changes every few months creates a personal health roadmap. You can see how lifestyle changes affect your biomarkers and adjust course before small issues become bigger problems.

The barrier to functional testing has always been cost — until now. Companies like Geviti have made comprehensive analysis of 90+ biomarkers accessible and affordable, complete with at-home blood draws and personalized care plans based on your results.

Whether you're feeling great and want to stay that way, or dealing with symptoms that standard tests haven't explained, functional bloodwork offers insights that can guide better health decisions. The question isn't whether your body deserves this level of attention, it's whether you're ready to get the answers you've been looking for.

FAQs

Q1. What is the main difference between standard and functional medicine lab tests? Standard lab tests typically examine about 20 biomarkers using broad reference ranges, while functional medicine labs analyze 90+ markers with narrower, optimal ranges. This allows functional tests to detect subtle imbalances and early warning signs that standard tests might miss.

Q2. How often should I get functional medicine lab tests done? It's recommended to establish a baseline with initial comprehensive testing, followed by regular monitoring every 3-6 months. This frequency allows you to track how your body responds to lifestyle changes and treatment protocols, helping identify trends and patterns over time.

Q3. Can functional medicine lab tests reveal issues before symptoms appear? Yes, functional medicine tests can detect underlying health problems before they manifest as noticeable symptoms. They can identify hidden nutrient deficiencies, hormonal imbalances, gut dysfunction, early cardiovascular risks, and toxic exposures that might not be apparent through standard testing or physical symptoms.

Q4. Are functional medicine lab tests accessible for home use? Yes, at-home functional medicine testing has become increasingly available. Some companies offer services where certified phlebotomists come to your home or office for blood draws. The samples are then sent to a lab for analysis, and results are provided through secure online portals.

Q5. How can functional medicine lab tests benefit my overall health? Functional medicine lab tests provide a comprehensive view of your health by examining multiple body systems simultaneously. They can help identify root causes of health issues, allow for earlier intervention, and guide personalized treatment plans. This approach can potentially save money over time by helping you avoid expensive doctor visits and medication costs through early detection and prevention.

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