HSA | FSA CARDS ARE NOW ACCEPTED

Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

How IL6R Gene Variations Affect Inflammation and Immune Health

The immune system is your body’s defense network, protecting you from harmful invaders like bacteria and viruses through processes including inflammation. Inflammation helps heal, but when it is excessive or prolonged it can contribute to symptoms and chronic conditions. The IL6R gene produces the interleukin 6 receptor, which receives signals from the IL-6 molecule and helps regulate immune responses and inflammation. Small variations in this gene can change how the receptor behaves, altering immune signaling and sometimes influencing allergies, sensitivities, and overall inflammatory tone.

Why IL6R Matters

IL-6 is a key messenger in immune communication. It tells immune cells when to ramp up activity and when to calm down. The IL6R gene determines how many IL-6 receptors are present on cell surfaces and how much of a soluble receptor floats freely in the bloodstream. The soluble receptor can change how IL-6 signals are delivered, and certain genetic variants are linked with higher levels of soluble IL-6 receptor. Those changes can produce stronger or longer inflammatory responses when the body is challenged by infection, allergens, or environmental stressors.

What This Means for You

Knowing your IL6R genotype can help explain tendencies toward increased or typical inflammatory responses. This information can guide sensible lifestyle choices that support immune balance and reduce unnecessary inflammation. Below are practical, consumer-friendly recommendations in diet, supplements, lifestyle habits, and monitoring that complement your genetic insight. PlexusDx does not provide medical advice. Always consult your healthcare provider before making changes to medications, supplements, or treatment plans.

Practical Steps to Support Balanced Inflammation

Diet Recommendations

  • Follow an anti-inflammatory pattern centered on vegetables, fruits, whole grains, legumes, nuts, and seeds.
  • Choose healthy fats such as extra virgin olive oil and avocado. Limit processed vegetable oils and trans fats.
  • Increase omega-3 rich foods like fatty fish (salmon, sardines, mackerel), chia seeds, and walnuts.
  • Reduce intake of refined carbohydrates and added sugars that can promote inflammatory pathways.
  • Include colorful phytonutrient sources such as berries, leafy greens, cruciferous vegetables, and turmeric in cooking.
  • Limit or avoid known food triggers and common allergens if you notice symptom flares after eating specific foods.

Supplement Considerations

Consult your healthcare provider prior to starting any supplements. Typical supplements discussed when supporting immune balance include:

  • Vitamin D: Supports immune regulation. Consider testing blood levels before supplementing to reach an appropriate target.
  • Omega-3 fatty acids: EPA and DHA can help modulate inflammatory responses. A healthcare provider can recommend dose based on diet and health needs.
  • Probiotics: Can support gut microbial balance, which influences immune function and inflammation.
  • Antioxidants: Vitamins C and E and polyphenol-rich extracts may provide supportive antioxidant effects.

Lifestyle Habits That Reduce Excess Inflammation

  • Stress management: Chronic stress can amplify inflammatory signaling. Practices such as mindfulness, meditation, breathing exercises, and progressive muscle relaxation can reduce stress-related inflammation.
  • Regular physical activity: Moderate exercise supports immune resilience and lowers baseline inflammation. Aim for a mix of aerobic activity, strength training, and flexibility work most days of the week.
  • Quality sleep: Poor sleep raises inflammatory markers. Target consistent bedtimes and 7 to 9 hours of sleep nightly.
  • Avoid environmental triggers: Reduce exposure to pollution, cigarette smoke, and known allergens when possible.
  • Maintain a healthy weight: Excess body fat, especially visceral fat, produces inflammatory signaling molecules. Weight management through diet and activity can lower inflammation.

Monitoring and Medical Considerations

  • Discuss with your clinician whether testing inflammatory markers such as CRP or IL-6 is appropriate for your situation.
  • Review any chronic symptoms like recurrent infections, persistent allergy symptoms, or unexplained inflammatory conditions with a healthcare provider.
  • If taking immune-modulating medications, share your genetic results with your clinician so they can interpret how this information might integrate into treatment planning.

Genetic Interpretation: rs2228145 (IL6R)

2 effect alleles — CC genotype

You carry two copies of the effect allele for rs2228145. This genotype is associated with elevated levels of soluble IL-6 receptor in your bloodstream. The soluble receptor circulates freely rather than remaining attached to cell surfaces, which alters immune communication. With this genotype, your immune signaling may be modified so that inflammatory responses are higher or more prolonged when you encounter triggers such as infections, allergens, or environmental stressors. Clinically this can mean more intense symptoms linked to inflammation or increased sensitivity in respiratory or other systems. Focus on strategies that lower chronic inflammation and manage exposures that provoke immune activation.

1 effect allele — AC genotype

You carry one copy of the effect allele for rs2228145. This is associated with moderately elevated soluble IL-6 receptor levels compared to those without the allele. The soluble receptor circulates in the blood rather than staying bound to immune cell surfaces, which changes how IL-6 signals are transmitted. This genotype may subtly shift immune regulation and make you more prone to stronger inflammatory reactions to allergens, infections, or environmental factors. Practical measures to support balanced inflammation and avoid known triggers are recommended.

0 effect alleles — AA genotype

You carry two copies of the non-effect allele for rs2228145. This genotype is associated with standard IL-6 receptor function and a balanced immune and inflammatory response. Your IL6R gene produces typical levels of the receptor, which functions as an antenna on immune cells to receive IL-6 signals. With this genotype your inflammatory processes are more likely to remain within a typical range, supporting appropriate immune signaling during infections, stress, and other challenges. Continue general health practices that support immune balance.

Putting It All Together

IL6R genotype information offers insight into one piece of how your immune system communicates and manages inflammation. Whether your genotype is associated with elevated soluble IL-6 receptor levels or not, lifestyle, diet, sleep, stress management, and targeted supplementation under clinical guidance are powerful tools to support balanced immune function. Keep in mind that genes are one factor among many. Environment, behaviors, and other genetic variants also influence outcomes.

PlexusDx does not provide medical advice. This information is educational and intended to help you understand genetic predispositions. Always consult with your healthcare provider before starting new supplements, changing medications, or making significant lifestyle changes based on genetic information.

If this genetic variant is present in your PlexusDx results, the following tests and reports are commonly used to explore it further:

🧬 Genetic Tests:

🧪 Blood Tests:

📄 Genetic Report:

Frequently Asked Questions About Immune System and IL6R rs2228145

What does IL6R rs2228145 mean for my inflammatory and immune response?

rs2228145 is an IL6R variant that affects how the interleukin 6 (IL-6) receptor behaves. Depending on whether you have 0, 1, or 2 effect alleles (AA, AC, or CC), it can be associated with standard or elevated levels of the soluble IL-6 receptor in your bloodstream. That change can influence how strongly or how long inflammatory signaling runs when you face triggers like infections, allergens, or environmental stressors.

How do effect alleles at rs2228145 (IL6R) relate to allergies or sensitivities?

When rs2228145 is linked with higher soluble IL-6 receptor levels (AC or CC genotypes), IL-6 signals may be delivered in a way that can support stronger or more prolonged inflammatory responses. In practical terms, this may mean you’re more prone to more intense or sensitive symptoms associated with inflammation-related challenges such as allergens, respiratory triggers, or other environmental stressors.

What lifestyle and supplement steps can support balanced inflammation if I have higher-soluble IL-6 receptor risk?

You can support immune balance with an anti-inflammatory diet (vegetables, fruits, whole grains, legumes, nuts, seeds), healthy fats (extra virgin olive oil and avocado), omega-3–rich foods (fatty fish, chia, walnuts), and by limiting refined carbs and added sugars. Lifestyle habits such as stress management, regular moderate physical activity, consistent 7–9 hours of sleep, avoiding pollution/smoke when possible, and maintaining a healthy weight can also help lower excess inflammation. Supplement options commonly discussed include vitamin D, omega-3s (EPA/DHA), probiotics, and antioxidants, but talk with your healthcare provider before starting any supplements or changing medications.

What tests can help me learn more about Immune System and IL6R rs2228145?

The Food Sensitivity & Allergy Genetic Test analyzes over 240 genetic insights related to immune response, inflammation, and dietary tolerance. The Allergies and Food Sensitivities Genetic Report translates your results into personalized, actionable guidance. Your healthcare provider can also recommend targeted blood tests based on your specific pathway results and health history to complement your genetic insights with current biomarker data.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.