Nick Coetzee

Red light therapy news, studies, and real-world insights - backed by 5+ years helping people use it for pain, sleep, recovery, and more.

[Nick Coetzee @_nickcoetzee]

Skin healed smoother, with measurably higher collagen density after 84 days of consistent red light therapy use, according to clinical data reviewed in a 2025 study on LED photobiomodulation in cosmetic dermatology.

Most anti-ageing products sit on the surface of your skin. Red light goes into the dermis - where collagen is actually produced - and triggers the cells that build it.

84 days of consistency. A measurably younger complexion.

📄 Source: Guo et al., Photodermatology, Photoimmunology & Photomedicine, 2025 (DOI: 10.1111/phpp.70041)

#RedLightTherapy #AntiAging #SkinCollagen #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Wound healing in diabetic foot ulcers was improved by red light therapy through three mechanisms: reducing neuropathic pain, enhancing nerve conduction, and boosting microvascular blood flow to the affected tissue.

Diabetic wounds heal slowly because poor circulation means cells are starved of energy. Red light restores that energy delivery at a cellular level.

Diabetic complications don't have to be permanent.

📄 Source: Ubie Health, red light therapy for diabetic foot and neuropathy, physician review 2026

#RedLightTherapy #DiabetesCare #WoundHealing #Neuropathy #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Photobiomodulation is effective for treating alopecia, ulcers, herpes simplex virus, acne, wounds, and scars - and is noninvasive, cost-effective, and carries a strong safety profile, according to a 2024 CME review in the Journal of the American Academy of Dermatology.

It can be used as a standalone treatment or alongside medication - often reducing how much medication is needed at all.

Fewer side effects. Lower costs. Better outcomes.

📄 Source: JAAD, Photobiomodulation CME Part II, Clinical Applications in Dermatology, 2024

#RedLightTherapy #Dermatology #SkinHealing #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Photobiomodulation improved pain, sensory symptoms, balance, and gait speed in patients with chemotherapy-induced peripheral neuropathy, according to a 2025 study in Supportive Care in Cancer.

Chemo damages nerves as a side effect. Red light helps repair them - reducing numbness, tingling, and pain by restoring mitochondrial function in the nerve cells themselves.

Life after cancer treatment doesn't have to mean permanent nerve damage.

📄 Source: Santamarina et al., Support Care Cancer, 2025 (DOI: 10.1007/s00520-025-09405-w)

#RedLightTherapy #Neuropathy #CancerRecovery #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy alleviated anxiety-like behaviour and restored healthy circadian gene expression in a 2025 study on the effects of chronic LED light overexposure.

Disrupted circadian rhythms - from too much artificial light at night - damage both sleep and mental health. Red light in the evening supports melatonin production and helps recalibrate your body clock.

Better evenings lead to better everything.

📄 Source: Obajuluwa et al., Alzheimer's & Dementia, 2025 (DOI: 10.1002/alz.084765)

#RedLightTherapy #CircadianRhythm #Anxiety #Sleep #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy improved acne in a clinical study where patients received 6 treatments over 12 weeks - reducing breakouts by stimulating healing while lowering the inflammation that causes them.

Unlike blue light therapy which destroys bacteria, red light works differently - it reduces the inflammatory response in the skin so your body stops overreacting to begin with.

Clearer skin from the inside out.

📄 Source: UCLA Health, red light therapy for acne review, 2025

#RedLightTherapy #Acne #SkinHealth #Photobiomodulation #ClearSkin

[Nick Coetzee @_nickcoetzee]

Red light therapy was confirmed as safe and effective for peripheral neuropathy, androgenic alopecia, ulcers, and acute radiation dermatitis by a consensus panel of 21+ specialists, published in the Journal of the American Academy of Dermatology in 2025.

This wasn't a single study. It was a multidisciplinary panel reviewing the full body of evidence and reaching agreement.

The science has arrived. Most people just haven't heard about it yet.

📄 Source: JAAD, Evidence-based consensus on photobiomodulation, 2025

#RedLightTherapy #Photobiomodulation #MedicalResearch #SkinHealth

[Nick Coetzee @_nickcoetzee]

A 2024 meta-analysis of 34 randomised controlled trials found that pre-exercise red light therapy improved muscle endurance and promoted faster recovery from muscle strength loss and injury.

When you apply red light before training, you're pre-loading your cells with energy. Less breakdown during the session. Faster repair after it.

This is why professional sports teams are now using photobiomodulation as a standard recovery tool.

📄 Source: Li et al., Lasers Med Sci, 2024 (DOI: 10.1007/s10103-024-04079-y)

#RedLightTherapy #SportPerformance #MuscleRecovery #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Blood glucose levels rose 27.7% less over two hours when participants used 670nm red light for 15 minutes before consuming glucose, according to a 2024 experimental study.

The proposed mechanism: red light increases mitochondrial ATP production, which drives higher systemic glucose demand - meaning your cells absorb glucose more efficiently instead of leaving it to spike in your bloodstream.

Blood sugar control without medication. The research is early but the direction is clear.

📄 Source: 2024 experimental study on 670nm red light and glucose regulation (Lumara Systems, 2026)

#RedLightTherapy #BloodSugar #Metabolic #Photobiomodulation #Diabetes

[Nick Coetzee @_nickcoetzee]

Red light therapy is now included in clinical guidelines for preventing and treating oral mucositis - painful mouth ulcers caused by cancer treatment - according to a 2025 Scientific American review of photobiomodulation evidence.

It's one of the most well-supported clinical applications of red light, yet only used in around 10% of cancer treatment centres worldwide.

A simple, safe, inexpensive treatment. Vastly underutilised.

📄 Source: Scientific American, Photobiomodulation research review, April 2026

#RedLightTherapy #CancerCare #OralHealth #Photobiomodulation #MouthUlcers

[Nick Coetzee @_nickcoetzee]

Children using red light therapy for myopia (short-sightedness) showed significantly slower progression over one year in a 2024 randomised clinical trial published in JAMA Ophthalmology - with no safety concerns found.

336 children aged 6-12 used a 650nm device for 3 minutes twice daily. Controls became nearly 1 diopter more short-sighted than the treated group.

Protecting your child's vision early changes the trajectory of their eye health for life.

📄 Source: JAMA Ophthalmology, 2024 RCT, n=336

#RedLightTherapy #Myopia #EyeHealth #ChildHealth #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy reduced symptoms of depression by enhancing cerebral blood flow, reducing neuroinflammation, and promoting neurogenesis, according to a 2025 systematic review published in Theranostics.

Depression isn't just a mindset issue. It's a biological one - driven in large part by mitochondrial dysfunction and chronic brain inflammation. Red light targets both.

Your brain can heal. It needs energy to do it.

📄 Source: Theranostics, 2025;15(2):362-383 - Photobiomodulation for depression review

#RedLightTherapy #MentalHealth #Depression #BrainHealth #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Cognitive improvements - including better memory, attention, and mood - were reported in patients with mild dementia following transcranial red light therapy, according to a clinical trial by Saltmarche et al.

Near-infrared light penetrates the skull and reaches brain tissue. It increases cerebral blood flow, reduces neuroinflammation, and gives neurons the energy they need to fire properly.

Brain fog, poor focus, and memory issues are often energy problems. Red light addresses them at the source.

📄 Source: Saltmarche et al., transcranial photobiomodulation trial, 2017 (reviewed in JAAD, 2025)

#RedLightTherapy #BrainHealth #Cognition #Photobiomodulation #Dementia

[Nick Coetzee @_nickcoetzee]

Red light therapy stimulated measurable hair regrowth in both men and women with androgenic alopecia, according to a systematic review published in Lasers in Medical Science - and was found to be as effective as minoxidil in one study.

Hair loss is often a cellular energy problem. Low-level red light shifts dormant follicles back into the active growth phase by stimulating the stem cells in the follicle bulge.

Your follicles aren't dead. They're just under-resourced.

📄 Source: Liu et al., Lasers Med Sci, 2019; UCLA Health review, 2025

#RedLightTherapy #HairGrowth #HairLoss #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Improved skin collagen density and a measurable reduction in wrinkles and skin roughness were confirmed in a randomized controlled trial published in Photomedicine and Laser Surgery - using 633nm red light over 3 months.

Collagen is the scaffolding that keeps skin firm. Red light energizes the fibroblast cells responsible for producing it - from the inside out, not with creams.

Your skin has the ability to regenerate. Red light gives it the energy to do it.

📄 Source: RCT, Photomedicine and Laser Surgery (cited in Health Highroad, 2026)

#RedLightTherapy #SkinHealth #AntiAging #Collagen #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy reduced muscle soreness by 45% at 24 hours post-exercise in athletes, according to a controlled trial published in Lasers in Medical Science.

Muscle soreness is inflammation - your cells releasing distress signals because they're low on energy. Red light restores ATP production so your cells recover instead of just surviving.

Train harder. Recover faster. Repeat.

📄 Source: Lasers in Medical Science, controlled trial on athletes (cited in 2026 Health Highroad review)

#RedLightTherapy #MuscleRecovery #AthletePerformance #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Faster wound healing is one of the most well-established benefits of red light therapy - with one surgical study showing treated scars healed in half the time compared to the untreated side in the same patient.

Red light accelerates the first phases of wound healing by boosting cellular energy and reducing the inflammatory response that slows tissue repair.

Half the recovery time. Same body. Just better fuel.

📄 Source: Stanford Medicine, Photobiomodulation wound healing review, 2025

#RedLightTherapy #WoundHealing #Recovery #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy significantly improved symptoms of peripheral neuropathy - including numbness, tingling, and pain - according to a 2025 review published in the Journal of Medical Radiation Oncology.

Neuropathy means your nerves aren't getting enough energy to function. Near-infrared light at 850nm penetrates deep enough to reach damaged nerves and restore their energy supply.

Your nerves can heal. They just need the right input.

📄 Source: Noorelahi M., JMRO, 2025 (DOI: 10.53011/JMRO.2025.01.03)

#RedLightTherapy #Neuropathy #NerveHealth #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy reduced C-reactive protein (CRP) - a key inflammation marker - by an average of 38% over just 4 weeks, according to a 2024 meta-analysis of photobiomodulation trials.

CRP is what your doctor tests when they suspect your body is under attack. Chronic elevation is linked to heart disease, diabetes, and accelerated ageing.

Red light doesn't mask the inflammation. It removes the reason it's there.

📄 Source: 2024 Photobiomodulation Meta-Analysis (BetterLife Lab review)

#RedLightTherapy #Inflammation #Longevity #Photobiomodulation

[Nick Coetzee @_nickcoetzee]

Red light therapy reduced joint pain by up to 70% in arthritis patients, according to a 2025 clinical review.

Your joints are inflamed because your cells don't have enough energy to repair the damage. Red light fixes that at the source - boosting mitochondrial output and cutting inflammation fast.

No drugs. No side effects. Just your body doing what it was designed to do.

📄 Source: Quasar MD Clinical Review, 2025

#RedLightTherapy #Photobiomodulation #JointPain #NaturalHealing