Crohn’s disease is a chronic inflammatory bowel disease (IBD) that affects millions of people worldwide. Characterized by abdominal pain, severe diarrhea, fatigue, weight loss, and malnutrition, Crohn’s can significantly diminish quality of life. While traditional treatments include anti-inflammatory drugs, immunosuppressants, and even surgery, many patients seek alternative therapies to manage their symptoms.
One emerging treatment that has gained attention is red light therapy (RLT), also known as low-level laser therapy (LLLT) or photobiomodulation. But can this non-invasive, painless light treatment really help alleviate Crohn’s symptoms? Let’s explore the science behind it and how it might offer relief.
Red light therapy, also known as low-level laser therapy (LLLT) or photobiomodulation (PBM), delivers specific wavelengths of red and near-infrared (NIR) light to the body. These wavelengths penetrate deep into tissue without damaging the skin, stimulating cellular repair, reducing inflammation, and enhancing energy production (ATP) at the mitochondrial level.
Crohn’s disease is driven by chronic inflammation in the digestive tract. RLT may support symptom relief through several key mechanisms:
Downregulates pro-inflammatory cytokines (e.g., TNF-α, IL-6, IL-1β)
Promotes anti-inflammatory cytokines like IL-10
Modulates immune cell activity to prevent excessive immune responses
📌 A 2018 study in Scientific Reports showed that red light therapy significantly reduced gut inflammation in colitis models.
Strengthens tight junctions to reduce intestinal permeability ("leaky gut")
Encourages mucosal healing
Stimulates collagen for faster tissue regeneration
Calms overactive pain receptors
Increases circulation and oxygen delivery
Stimulates endorphins for natural pain relief and mood enhancement
Emerging studies suggest RLT may promote a healthier balance of gut bacteria, which plays a key role in Crohn’s management.
Apply red or NIR light (typically 660nm–850nm) over the abdominal region for 10–20 minutes daily. NIR is recommended for deeper tissue penetration.
For systemic benefits, full-body light therapy beds or panels can be used several times a week.
Pair RLT with anti-inflammatory diets, probiotics, and stress-reduction practices like meditation or yoga for optimal results.
Although human trials on RLT for Crohn’s are limited, early findings are promising:
A 2013 study in Lasers in Medical Science found LLLT helped reduce IBD-related inflammation.
A 2020 review in Biophotonics highlighted photobiomodulation’s potential in autoimmune diseases due to its immune-regulating effects.
Yes. RLT is generally well-tolerated, non-invasive, and drug-free. Side effects are rare and usually mild, such as temporary skin warmth or redness.
While red light therapy isn’t a cure, it holds promise as a complementary approach to traditional Crohn’s treatments. With its ability to reduce inflammation, support gut healing, and improve quality of life, RLT may offer meaningful relief to those struggling with chronic IBD symptoms.
Always consult your healthcare provider before starting any new therapy—especially for chronic conditions like Crohn’s.