Does low-dose naltrexone (LDN) work against inflammation?
LDN shows positive signals as an anti-inflammatory agent in small studies and cell research, but the evidence in humans is still too thin for a firm recommendation. Always consult a doctor, as this is off-label use without long-term safety data.
LDN is attracting attention as an anti-inflammatory agent, but most of the research consists of small studies, cell experiments and animal trials. No large randomised studies have yet convincingly demonstrated its effect in humans. The current findings should therefore be regarded as early, preliminary signals.
The best-described mechanism of action: LDN influences glial cells, the support cells in the brain and spinal cord that also regulate inflammation. In cell studies and small human studies, LDN reduces the release of inflammatory substances from those cells. It is also thought to block an inflammatory receptor and to suppress certain white blood cells. Plausible, but not yet proven in large human research.
The strongest clinical signal comes from small controlled studies in fibromyalgia: participants reported less pain and a better quality of life compared with placebo. In Crohn's disease and multiple sclerosis there are also small studies with positive outcomes. The word 'subjective' matters here: objective measures such as blood values or scans have barely been studied. The groups were always small, so firm conclusions cannot yet be drawn.
For newer applications the evidence is thinner still. A study in 59 Long COVID patients found less fatigue and better sleep, but without a randomised control group. A theoretical article suggested that LDN may reduce blood-clotting problems in COVID-19, but clinical data are entirely lacking. In cell and mouse studies LDN also reduced inflammation and insulin resistance, but that too has not yet been tested in humans.
Regarding safety: several review studies report that LDN is well tolerated and that serious side effects have not been reported. However, long-term data in large groups of people are lacking. In addition, this is off-label use, meaning that doctors prescribe it outside the officially approved indications. Always discuss it with a doctor before considering it.
Evidence based on: preclinical research (cell and animal models), narrative reviews, and small clinical studies (n=59 for Long COVID; several prospective trials for fibromyalgia). No large RCTs or meta-analyses available as direct sources. PMIDs: 32845365, 29885638, 29377216, 37021443, 32943552, 37804660, 35179184, 32074159.
Does turmeric help against inflammation?
Curcumin has a biologically plausible anti-inflammatory effect and shows reductions in inflammatory markers across multiple studies, but the results are not consistent enough for a firm recommendation. If you want to try it, choose a formulation with piperine or a liposomal variant for better absorption, and discuss it with your doctor if you are taking any medications.
What does chronic sleep deprivation do to your inflammation in the long run?
Chronic sleep deprivation demonstrably raises inflammatory markers in your blood and is linked to diseases such as cardiovascular disease and dementia; getting enough sleep is therefore one of the most concrete things you can do yourself to limit chronic inflammation.
Does regular exercise help against that creeping chronic inflammation?
Regular, moderate exercise demonstrably lowers inflammatory markers such as CRP and IL-6; training too intensely can reverse that effect, so moderate exercise three to five times per week is the best-supported choice.
What does excess weight do to your inflammation levels?
Excess weight structurally raises your inflammation levels through multiple biological pathways. Exercise, and strength training in particular, is a concrete tool for partly reversing that effect.
Can long-term inflammation in your body cause cancer?
Prolonged low-grade inflammation is a recognised risk factor for several types of cancer. The evidence is strongest for bowel cancer in inflammatory diseases and for multiple cancer types in obesity.
What is the relationship between high blood pressure and inflammation?
High blood pressure and inflammation reinforce each other mutually, and higher inflammatory values in the blood mean a measurably greater risk of serious cardiovascular disease in people with high blood pressure. Have your blood pressure and CRP checked regularly, especially if you have other risk factors such as diabetes or excess weight.