Does Traditional Chinese Medicine （TCM） really work？
If you’ve ever tried acupuncture for a sore back, picked up an herbal supplement for better sleep, or wondered if traditional Chinese medicine (TCM) is actually effective — you’re not alone. For millions of people across Europe and the U.S., TCM has become a go-to for issues that mainstream medicine doesn’t always solve well. But it’s also long been mired in debate: some swear by it, while others dismiss it as nothing more than a placebo.
A 2025 study led by Liu and colleagues, published in the peer-reviewed journal Acta Pharmaceutica Sinica B and freely archived in the U.S. National Institutes of Health’s PubMed Central database, offers a fresh, fair-minded take on the conversation. Instead of forcing TCM into the narrow testing rules used for Western prescription drugs, the research team built a new evaluation framework called the Integrated Evidence Chain (Eff-iEC). It looks at the full picture from lab science to real-world clinical use, and the conclusions paint a much clearer picture of what TCM actually does — and doesn’t — do well.
Why we’ve been arguing about TCM for so long
A big reason for the endless back-and-forth is simple: we’ve been judging TCM by the wrong standard.
Western medicine typically tests treatments one way: take one specific drug, give it to everyone with the same disease, and see if it works better than a sugar pill. That works great for antibiotics or blood pressure meds, where one target = one treatment.
But TCM doesn’t work that way. Its core idea is that two people can have the same Western diagnosis — say, chronic headaches — but completely different underlying imbalances in the body. One might get acupuncture and herbal formulas for tension, another for poor circulation. Treat everyone identically, and the results will be hit-or-miss.
That’s exactly what the Eff-iEC analysis confirms about decades of mixed research results. Many Western-led studies tested a single herbal formula or acupuncture routine on every patient with a given condition, ignored TCM’s individualized diagnostic logic, and ended up with weak or inconsistent findings. Critics took that as proof TCM doesn’t work — but really, it was proof the studies were poorly matched to how TCM is actually practiced.
To test their framework, the researchers evaluated six widely used Chinese herbal medicines for liver fibrosis (chronic scarring of the liver), using both Eff-iEC and the standard GRADE evidence-rating system used in Western medicine. They found Eff-iEC more accurately reflected the real-world clinical value of the treatments, because it accounted for lab research, clinical trials and long-term practical use together, rather than relying only on randomized trial data.
Putting all the evidence together, three big conclusions stand out — and they match up with what many Western patients already experience:
1. It works reliably for chronic pain, and it’s not just in your head
This is the best-proven benefit of TCM, and it’s no longer controversial in mainstream medical guidelines.
A landmark 2012 analysis published in JAMA (Archives of Internal Medicine) pooled individual patient data from 29 randomized trials and nearly 18,000 patients across the U.S., UK, Germany, Spain and Sweden. It found that true acupuncture consistently produced greater pain relief than both sham (placebo) acupuncture and standard medical care for chronic back pain, neck pain, osteoarthritis and frequent headaches. The difference between real and sham acupuncture was small but statistically consistent — meaning there is a real physiological effect beyond just the placebo response.
In 2017, the American College of Physicians officially updated its clinical guidelines to list acupuncture as a first-line treatment for chronic low back pain — recommending it before opioid painkillers. The UK’s National Institute for Health and Care Excellence (NICE) followed suit in 2021, recommending acupuncture for chronic primary pain to reduce reliance on analgesic medications.
2. It shines where Western medicine runs out of answers
TCM rarely outperforms Western medicine for clear-cut, acute problems: if you have a bacterial infection, you need antibiotics. If you need your appendix removed, you need a surgeon. No debate there.
But for slow, chronic conditions where Western medicine mostly just manages symptoms — things like ongoing fatigue, digestive issues, mild metabolic problems, chronic lung or kidney disease — TCM’s whole-body approach often fills a gap. The Eff-iEC study confirms that for chronic progressive conditions like liver fibrosis, properly prescribed herbal regimens can slow disease progression and improve organ function, with a better safety profile for long-term use than many pharmaceutical options. It doesn’t just mask symptoms; it aims to gradually shift how your body functions.
3. It makes cancer treatment easier to tolerate
One of the fastest-growing reasons Western patients seek out TCM is to get through chemotherapy and immunotherapy more comfortably.
TCM doesn’t cure cancer, and no serious practitioner claims it does. But a large body of research supports its role as supportive care. A widely cited 2006 meta-analysis in the Journal of Clinical Oncology reviewed 34 randomized trials covering 2,815 patients with advanced non-small-cell lung cancer. It found that adding astragalus-based herbal formulas to standard platinum chemotherapy reduced the risk of death at 12 months by 33% and increased tumor response rates by 34%, compared to chemotherapy alone. Patients also had fewer severe side effects like bone marrow suppression and fatigue.
A 2025 systematic review of 19 high-quality phase 3 trials in the journal Cancer further confirms that acupuncture and tai chi — two core TCM modalities — significantly reduce common cancer treatment side effects: nausea and vomiting, extreme tiredness, poor appetite, and dry mouth from radiation. For many patients, that difference means they can stick with their full cancer treatment plan instead of pausing early.
Is it all just the placebo effect?
This is the most common question — and the answer is no, not entirely.
Placebo effect is real and plays a role in almost every medical treatment, including TCM. But lab research has documented concrete, measurable biological effects that go beyond placebo.
In a 2010 study published in Nature Neuroscience, researchers at the University of Rochester identified one key molecular mechanism: inserting and rotating an acupuncture needle triggers a local release of adenosine, a natural pain-numbing compound, in the tissue around the needle site. In mouse experiments, adenosine levels at the acupoint rose 24-fold after treatment, and reduced pain sensitivity by roughly two-thirds. When the researchers blocked the adenosine A1 receptor, the pain-relieving effect disappeared entirely.
Many herbal medicines also contain well-studied anti-inflammatory, anti-fibrotic and immune-regulating compounds that have been verified in cellular and animal experiments. When trials are well-designed and patients are properly matched to the right TCM treatment, the benefits consistently outperform placebo. Put simply: the experience of going to a TCM practitioner may feel calming and holistic, but there’s actual biochemistry happening too.
The real limits to keep in mind
None of this means TCM is a cure-all, and the research is clear about its shortcomings:
- Quality varies a lot. Skill of practitioners, purity of herbal products, and standardization of diagnosis are still inconsistent — especially outside of China’s formal hospital system.
- Many formulas aren’t fully mapped out. Unlike a Western pill with one known active ingredient, herbal mixtures often contain dozens of compounds. We know they work, but we don’t always know exactly how, down to every last molecule.
- Big, gold-standard studies are still fewer than for Western drugs. The evidence base is growing fast, but it’s not as deep for every single condition.
At the end of the day, the fairest takeaway is this: TCM is neither a magical cure for everything, nor a useless scam. It’s a separate medical system with real, research-backed strengths in chronic pain management, symptom control, whole-body wellness, and supporting people through treatments like chemotherapy.
This is also why a growing number of Western travelers go to China specifically for medical care: there, TCM isn’t just a standalone wellness clinic down the street — it’s fully integrated into mainstream hospitals, working right alongside Western doctors. Patients get the best of both worlds: surgery or advanced drugs when they need them, plus TCM to speed recovery, manage side effects, and address issues Western medicine can’t always fix.
For most people, the smartest approach is simple: use Western medicine for urgent, clear-cut problems, and consider TCM for the chronic, nagging issues where you’ve already tried everything else. Just go to a qualified, licensed practitioner — and skip anyone promising to cure serious diseases with herbs alone.
Bao Y, et al. (2025). Effects and safety of traditional Chinese medicine approaches in cancer symptom care: A systematic review of phase 3 randomized clinical trials. Cancer.
PubMed abstract: https://pubmed.ncbi.nlm.nih.gov/41217297/
Liu J, et al. (2025). Integrated evidence chain-based effectiveness evaluation of traditional Chinese medicines (Eff-iEC): A demonstration study. Acta Pharmaceutica Sinica B.
Free full text: https://pmc.ncbi.nlm.nih.gov/articles/PMC11959914/
Vickers AJ, et al. (2012). Acupuncture for Chronic Pain: Individual Patient Data Meta-analysis. Archives of Internal Medicine (JAMA Network).
Free full text: https://pmc.ncbi.nlm.nih.gov/articles/PMC3658605/
Qaseem A, et al. (2017). Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain: A Clinical Practice Guideline From the American College of Physicians. Annals of Internal Medicine.
Official guideline: https://www.acpjournals.org/doi/10.7326/M16-2367
NICE (2021). Chronic pain (primary and secondary) in over 16s: assessment and management (NG193).
Official guideline: https://www.nice.org.uk/guidance/ng193
Goldman N, et al. (2010). Adenosine A1 receptors mediate local anti-nociceptive effects of acupuncture. Nature Neuroscience.
Free full text: https://pmc.ncbi.nlm.nih.gov/articles/PMC3467968/
McCulloch M, et al. (2006). Astragalus-Based Chinese Herbs and Platinum-Based Chemotherapy for Advanced Non–Small-Cell Lung Cancer: Meta-Analysis of Randomized Trials. Journal of Clinical Oncology.
Official abstract: https://ascopubs.org/doi/10.1200/JCO.2005.03.6392