Chronic inflammation in the body responds to a combination of dietary changes, better sleep, regular movement, and reducing the hidden sources that keep your immune system on alert. Unlike acute inflammation from an injury or infection, the low-grade kind simmers quietly for months or years, driven by what you eat, how you sleep, how much visceral fat you carry, and how well your gut lining holds up. The good news: each of these drivers is modifiable, and changing even one can start shifting your inflammatory markers downward.
What Low-Grade Inflammation Actually Looks Like
Chronic inflammation doesn’t announce itself the way a swollen ankle does. It shows up as persistent fatigue, joint stiffness, brain fog, skin issues, or digestive problems that don’t seem to have a clear cause. Internally, your immune system is producing signaling molecules at levels that are too low to make you feel acutely sick but high enough to damage tissues over time. This process is linked to heart disease, type 2 diabetes, fatty liver disease, and cognitive decline.
If you want to measure it, the most common blood test is high-sensitivity C-reactive protein (hs-CRP). A result below 2.0 mg/L is associated with lower cardiovascular risk, while 2.0 mg/L or above signals higher risk. A standard CRP reading of 8 to 10 mg/L or higher points to significant inflammation, though ranges vary by lab. Knowing your baseline number gives you something concrete to track as you make changes.
Shift Your Diet Toward Anti-Inflammatory Foods
A Mediterranean-style eating pattern, built around vegetables, fruits, whole grains, legumes, nuts, olive oil, and fatty fish, is the most studied dietary approach for lowering inflammation. Observational studies consistently find that higher adherence to this pattern correlates with lower levels of inflammatory signaling molecules in the blood. Clinical trials have shown trends toward reduced CRP, with the strongest results coming from trials conducted in Spain where participants followed the diet most closely.
The practical version is straightforward. Build most meals around plants and use olive oil as your primary cooking fat. Eat fatty fish like salmon, sardines, or mackerel two to three times a week for their omega-3 content. Replace refined grains with whole grains. Minimize added sugar, processed meats, and refined seed oils, all of which tend to push inflammatory markers in the wrong direction. You don’t need to overhaul everything at once. Swapping one meal a day toward this pattern and expanding from there is a realistic starting point.
Fiber deserves special attention because it feeds the beneficial bacteria in your gut, which plays a direct role in controlling inflammation (more on that below). Aim for a wide variety of plant foods rather than eating the same few vegetables on repeat. Diversity in your diet translates to diversity in your gut microbiome, and that diversity is protective.
Fix Your Sleep Before Anything Else
Sleep deprivation is one of the fastest ways to spike inflammatory markers. In controlled studies, a single night of total sleep deprivation increased levels of interleukin-6, a key inflammatory signaling molecule, by more than 1.5 times compared to a normal night of sleep. That’s a dramatic jump from just one bad night. Repeated partial sleep loss, the kind most people actually experience, produces a similar effect over time.
The threshold for trouble appears to be consistently getting fewer than six hours. Your body performs critical immune regulation and tissue repair during deep sleep, and cutting that short leaves your inflammatory response chronically elevated. If you’re doing everything else right but sleeping poorly, you’ll struggle to see improvement in how you feel or in your blood markers.
Improving sleep quality often matters as much as quantity. A cool, dark room, a consistent wake time (even on weekends), limiting screens for an hour before bed, and avoiding caffeine after early afternoon all help. If you snore heavily or wake up feeling unrefreshed despite adequate hours, sleep apnea could be quietly fueling inflammation and is worth investigating.
How Your Gut Drives Whole-Body Inflammation
Your intestinal lining is a selective barrier, designed to absorb nutrients while keeping bacteria and their byproducts contained. When that barrier breaks down, fragments of bacterial cell walls called lipopolysaccharides (LPS) leak into the bloodstream. Your immune system treats these fragments as a threat and mounts an inflammatory response that affects tissues far from the gut itself. This process is well-documented in fatty liver disease, where gut-derived LPS triggers inflammation in liver tissue through a specific immune signaling pathway.
The factors that weaken this barrier include a low-fiber diet, chronic stress, excessive alcohol, frequent use of certain pain relievers, and an imbalanced gut microbiome. Rebuilding gut integrity involves feeding beneficial bacteria with diverse fiber sources (vegetables, legumes, whole grains), including fermented foods like yogurt, kefir, sauerkraut, or kimchi, and reducing the things that damage the lining in the first place.
Visceral Fat as an Inflammatory Organ
Not all body fat contributes equally to inflammation. Visceral fat, the kind stored deep in your abdomen around your organs, behaves differently from the fat just under your skin. Visceral tissue produces inflammatory molecules like interleukin-1 beta at significantly higher levels than subcutaneous fat in obese individuals. It also expresses genes for interleukin-6 and TNF-alpha, though research from bariatric surgery patients shows this varies considerably between individuals. About 30% of obese patients in one study showed no elevated expression of these inflammatory genes in either fat depot, which helps explain why some people carry extra weight without the same metabolic consequences.
The practical takeaway: waist circumference matters more than the number on the scale. If your waist measures above 40 inches (men) or 35 inches (women), visceral fat is likely contributing to your inflammatory load even if your overall weight seems acceptable. Reducing visceral fat specifically responds well to aerobic exercise, reduced refined carbohydrate intake, better sleep, and stress management. It tends to be the first fat depot to shrink when you make these changes, which is encouraging.
Exercise: The Right Amount Matters
Regular moderate exercise is reliably anti-inflammatory. Each session triggers a temporary rise in certain inflammatory markers, but this is followed by a larger anti-inflammatory response that leaves your baseline lower over time. Walking briskly for 30 to 45 minutes most days, cycling, swimming, or any sustained movement that gets your heart rate up without leaving you completely exhausted hits the sweet spot.
Resistance training also helps, partly because it improves insulin sensitivity and partly because building muscle tissue shifts your body’s metabolic balance away from fat-driven inflammation. Two to three sessions per week is enough. The key is consistency over intensity. Someone who walks daily will see more anti-inflammatory benefit than someone who does one brutal workout per week and then sits for the remaining six days.
If you’re currently sedentary, start with 10- to 15-minute walks and build from there. The transition from no exercise to some exercise produces the biggest relative drop in inflammatory markers.
Stress and Its Biological Cost
Chronic psychological stress keeps your body in a state of immune activation. The stress hormone cortisol normally helps regulate inflammation, but when it’s elevated for weeks or months, your immune cells become less responsive to its signal. The result is inflammation that runs unchecked because the brake pedal stops working. This is one reason people under chronic stress get sick more often, heal more slowly, and develop conditions linked to inflammation.
What works for stress reduction varies by person, but the options with the best evidence include regular physical activity (which does double duty), mindfulness meditation, time in nature, strong social connections, and simply building periods of genuine rest into your week. The goal isn’t eliminating stress, which is impossible, but creating enough recovery time that your cortisol levels return to baseline regularly.
Supplements: What’s Worth Trying
Omega-3 fatty acids from fish oil have the strongest evidence base among anti-inflammatory supplements. Clinical trials have used doses in the range of 2,000 to 2,400 mg of combined EPA and DHA daily (the two active forms found in fish). At these levels, some studies show improvements in vascular function and inflammatory markers, though results vary depending on the population studied.
Curcumin, the active compound in turmeric, gets significant attention, but clinical evidence is mixed. In one 16-week trial using 160 mg per day in older overweight adults, curcumin did not affect inflammatory markers, vascular function, or metabolic measures, either alone or combined with fish oil. Higher doses with enhanced absorption formulations may perform better, but the science hasn’t settled on a reliably effective dose yet. If you enjoy turmeric in food, there’s no reason to stop, but don’t rely on it as a primary anti-inflammatory strategy.
Other supplements with some supporting evidence include vitamin D (if you’re deficient, which is common), magnesium, and ginger extract. None of these replace dietary and lifestyle changes, and all work best when layered on top of the fundamentals already described.
How Long Until You See Results
Inflammatory markers can shift faster than most people expect. Improvements in sleep and stress management can influence interleukin-6 and cortisol levels within days to weeks. Dietary changes typically show measurable CRP reductions within six to twelve weeks of consistent adherence, with continued improvement over several months. Visceral fat loss, which has a larger effect on long-term inflammatory load, generally requires three to six months of sustained effort before it meaningfully reshapes your metabolic profile.
The changes you feel, like reduced joint stiffness, better energy, clearer thinking, and improved digestion, often arrive before the blood work catches up. If you get your hs-CRP tested before making changes and again three months later, you’ll likely have a concrete number to confirm what your body is already telling you.