Diabetes

What is Diabetes?

Diabetes mellitus is a metabolic disease in which blood glucose is persistently too high.^{[1, 2]} It comes from impaired insulin secretion, reduced insulin action, or both, and the main types are type 1 and type 2 diabetes.^[1]

This page focuses on adults with type 2 diabetes, where most research on complementary care exists. Type 1 diabetes requires insulin and specialist care.^[3]

Common symptoms

Classic symptoms of high blood sugar are frequent urination, excessive thirst and unintentional weight loss. In type 1 diabetes they often start over a short time, and in adults the onset can be more gradual.^[3] Fatigue, blurred vision, slow-healing wounds, frequent infections and numbness or tingling in the hands and feet are also common, and type 2 diabetes can be silent for years.^[2]

Long-term high glucose can damage small vessels, causing retinopathy, nephropathy and neuropathy, and large vessels, raising cardiovascular risk two to four times.^[2]

Causes and risk factors

In type 1 diabetes, the immune system destroys the pancreatic cells that make insulin.^[3] Type 2 diabetes involves reduced insulin action and often follows years of high glucose related to lifestyle, diet and other factors in people with a genetic risk.^{[1, 2]}

Excess weight, physical inactivity, older age and a family history are the best-known risk factors for type 2 diabetes.^[2] Certain medicines, such as steroids, and other hormone conditions can also cause secondary forms.^[1]

How it is diagnosed and treated conventionally

Diabetes is diagnosed by blood tests such as fasting glucose, hemoglobin A1c or an oral glucose tolerance test.^[2] A physician makes the diagnosis and sets the treatment plan.

Type 1 diabetes is treated with insulin, along with self-management education, nutrition support and attention to mental health. Care is best delivered by a team that includes several health professionals.^[3] Type 2 diabetes is managed with lifestyle changes, including diet and physical activity, and with glucose-lowering medicines or insulin as needed. Regular screening for eye, kidney, nerve and heart complications is part of care.^[2]

Why Diabetes calls for a whole-person approach

Diabetes involves more than blood sugar. Weight, insulin resistance, inflammation, blood vessels and nerves are all affected, and the complications show up in many parts of the body.^[2] People often also deal with stress, tiredness and sleep problems that make daily self-care harder.

Supportive care can address some of these day-to-day problems. It does not replace glucose monitoring, medicines or screening.

Insulin resistance and body weight

In type 2 diabetes, tissues respond poorly to insulin, and excess weight is a recognized contributor.^[2] Some research on acupuncture and herbs looks at weight, blood lipids and insulin resistance alongside glucose.^{[4, 5]}

Nerve damage

Neuropathy is one of the most common complications and can cause pain, tingling and numbness, especially in the feet.^[2] Acupuncture has been studied for it in dozens of trials.^{[6, 7]}

Blood vessels and cardiovascular risk

Chronic hyperglycemia increases the risk of cardiovascular disease two to four times.^[2] This is a reason why blood pressure, cholesterol and glucose targets are set by your physician.

Stress, mood and self-management

Successful management of diabetes includes attention to psychological issues and education in self-care.^[3]

Acupuncture as supportive care in Diabetes

What the research shows

Evidence that acupuncture lowers blood glucose in type 2 diabetes is limited. A 2019 meta-analysis of 21 trials with 1,943 people found lower fasting glucose, post-meal glucose and hemoglobin A1c when acupuncture was added to baseline treatment, but the authors said the trials were small and of poor methodological quality, so the evidence was not fully convincing.^[4]

A 2022 meta-analysis of 21 trials with 1,188 people, all comparing acupuncture plus antidiabetic drugs with drugs alone, found a small drop in fasting glucose and in insulin resistance. It found no clear change in hemoglobin A1c, post-meal glucose or insulin, and no data on diabetic complications.^[5] A 2026 network meta-analysis of 139 trials found benefit when acupuncture was added to conventional care, but rated the included studies as low in quality.^[8]

For diabetic peripheral neuropathy, a network meta-analysis of 62 trials with 5,942 participants, all in people also taking mecobalamin, found that acupuncture-related therapies improved nerve conduction velocity. Certainty was low.^[6] Nerve conduction is a test result, not a measure of how patients feel.

How acupuncture may work

For diabetic neuropathy, a narrative review proposes that acupuncture may act on molecules in peripheral nerves and the spinal cord, including inflammatory and pain-related signaling.^[7] These are proposed mechanisms, and the review included only a small number of human and animal studies.

What treatment involves

Treatment uses fine, sterile, single-use needles at points on the body, and sometimes on the ear, usually left in place for about 20 to 40 minutes, with a course of several visits and regular reassessment.

In prospective studies, about 9 in 100 patients had a minor reaction such as bleeding, soreness or bruising, and serious events occurred in about 1 in 10,000.^[9] Reported acupuncture side effects in diabetes trials were mild.^[5] Tell the practitioner first if you have reduced feeling in your feet or hands, slow-healing wounds, a bleeding disorder, take blood thinners, are pregnant, or have a pacemaker (relevant to electroacupuncture). If you take insulin or sulfonylureas, ask your physician how to avoid low blood sugar around a visit.

Ayurvedic medicine as supportive care in Diabetes

The Ayurvedic view

In Ayurveda, a condition with excessive urination and sweet urine is described as Madhumeha, a form of Prameha. The ancient observation of sweet urine is also part of the history of diabetes in medical writing.^[1] In the traditional framework, Madhumeha is linked to Kapha imbalance, heavy diet and low activity, and later to Vata. These are traditional categories, not biomedical diagnoses.

Therapies that may be used

Supportive care is individualized and traditionally includes:

• Diet and daily routine, including regular meal times, less sugar and refined food, and daily walking, which is consistent with standard lifestyle advice
• Herbs traditionally used in diabetes, such as gymnema, fenugreek, bitter melon (karela) and turmeric
• Stress-reducing practices

Panchakarma is not appropriate during pregnancy, acute illness, frailty or uncontrolled diabetes, and it should not be used if blood sugar or kidney function is unstable. Fasting-type regimens can be dangerous for people who take insulin or sulfonylureas.

What the research shows

The research on Ayurveda for diabetes is limited and of low quality, and it mostly concerns single herbs and herbal mixtures, not individualized whole-system care. A Cochrane review found only one trial of whole-system Ayurvedic treatment, which gave no blood glucose data, and six trials of proprietary herbal mixtures, with some lowering glucose and others not. The authors could not draw firm conclusions because of weak methods and small samples.^[10]

A 2022 systematic review covered 199 randomized trials of 98 Ayurvedic medicines in type 2 diabetes. Several herbs lowered hemoglobin A1c compared with control, but the methods were often poorly reported, few studies measured quality of life, and the authors called for high-quality trials. Side effects were mostly mild and digestive.^[11] Individual herbs are described in the herbal section below. Because many Ayurvedic products are herbo-mineral preparations, safety is a particular concern; one review of a lead-based traditional preparation historically used for diabetes noted extremely high lead content and said safety could not be assured.^[12]

Herbal medicine as supportive care in Diabetes

Herbs and formulas that have been studied

Herbs studied for glucose control include turmeric (curcumin), Gymnema sylvestre, fenugreek seed, bitter melon (Momordica charantia) and berberine, a compound found in several Chinese herbs. Chinese medicine practitioners also use individualized formulas.^[13]

What the research shows

Evidence is limited and mixed. A 2024 meta-analysis of 18 trials with 1,382 people found that curcumin lowered fasting glucose, hemoglobin A1c and C-reactive protein compared with placebo, and the authors noted that results varied between trials.^[14] A meta-analysis of 12 trials in adults (not only people with diabetes) found that fenugreek seed lowered fasting glucose, hemoglobin A1c and LDL cholesterol, with high heterogeneity, and that findings should be interpreted with caution.^[15]

A meta-analysis of 10 studies with 419 people found that Gymnema reduced glucose measures, but it compared results with baseline, not with a control group, and the studies varied widely.^[16] A meta-analysis of 37 trials of berberine in 3,048 people found lower glucose and hemoglobin A1c, without a significant increase in hypoglycemia.^[17]

A Cochrane review of bitter melon found only four trials with high risk of bias and no clear difference from placebo. The review judged evidence for its use insufficient.^[18] A review of 108 papers on traditional Chinese medicine concluded that it showed efficacy in lowering glucose and called for further exploration, although it did not grade study quality in its abstract.^[13]

Safety and herb-drug interactions

Herbs that lower blood sugar can add to the effect of diabetes medicines. Garlic caused hypoglycemia when taken with a sulfonylurea drug in one report, and other herbs affect warfarin, aspirin and other medicines.^[19] Do not combine herbs with your diabetes medicines without your prescriber's knowledge, and keep checking your blood sugar.

Popular use of a complementary therapy is not a sign that it is safe or effective. About one fifth of Ayurvedic medicines bought online contained detectable lead, mercury or arsenic.^[20] People with kidney disease, liver disease, pregnancy or breastfeeding should tell us before any herb is considered.

Translating traditional medicine into modern biological language

The links drawn here are interpretation, not equivalence. Chinese medicine historically describes a pattern of thirst and heavy urination as xiaoke, linked to heat and yin deficiency. Modern researchers who study herbs for diabetes look at glucose transport and use, glycogen metabolism, GLP-1 release, protection of pancreatic islets and gut bacteria.^[13]

Ayurveda's Kapha-type Madhumeha overlaps loosely with obesity and insulin resistance, which is one reason diet and activity are central. No study shows that a dosha corresponds to a specific metabolic process.

How this care fits with your medical care

Diabetes needs diagnosis, monitoring and treatment by your physician or care team. For a condition like this, we ask that you are under a physician's care for it and that your treating team knows you are receiving complementary care. We do not diagnose or manage diabetes, prescribe or change medicines, or replace your physician, diabetes educator, eye doctor or podiatrist.

Do not stop or reduce insulin or other diabetes medicines on your own. Please bring your diagnosis, your most recent hemoglobin A1c and kidney test results, a full list of medicines and supplements, and your usual blood sugar readings.

When to seek urgent medical care

Some diabetes symptoms are emergencies.^[3]

• Nausea, vomiting, abdominal pain, fast breathing or fruity-smelling breath with high blood sugar, which can signal diabetic ketoacidosis
• Confusion, fainting, seizure or inability to wake up, which can signal severe low blood sugar
• Very high blood sugar with extreme thirst, dehydration or drowsiness
• A foot sore that is red, swollen, draining or black, or with fever
• Chest pain, sudden weakness on one side, trouble speaking or sudden vision loss

If any of these occur, call 911 or go to the nearest emergency department.