
Is turmeric good for you?
Revisado por Dr Krishna Vakharia, MRCGPÚltima atualização por Victoria RawLast updated 3 Dez 2024
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Sir Michael Caine takes tablets to keep his mind sharp, and Thandiwe Newton adds powder to her moisturiser, but is turmeric worthy of the hype?
It turns out that this popular spice can do more than add flavour to recipes. Turmeric may benefit your body and brain, and even help prevent and treat several health conditions.
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What is turmeric?
Turmeric is a Southeast Asian plant in the ginger family. Its stem is used as a popular cooking spice, commonly used in curry powders and other Asian and Middle Eastern inspired dishes. You may recognise turmeric for its vivid yellow-orange colour and its ability to dye the foods it flavours.
What is turmeric used for?
Voltar ao conteúdoTraditionally, turmeric has been used as a medicinal herb - Chinese medicine and Ayurveda medicine have both used this spice to cure and prevent illness for thousands of years.
It's been adding flavour and colour to Southeast Asian, Indian, and Middle Eastern meals for just as long, and its popularity as a culinary spice has now spread to kitchens all over the world.
Today, it's often touted as a super food and is also formulated into a dietary supplement that people take in the hopes it will ease a variety of health conditions.
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Turmeric benefits
Voltar ao conteúdoIn recent years, more scientific evidence is supporting the traditional claims reaching back thousands of years - that turmeric may help prevent and treat health problems.
The main active ingredient in turmeric is curcumin.
This compound benefits our health through:
Anti-inflamação - long-term inflammation plays a role in several diseases, and curcumin fights inflammation, although high doses are needed to for medicinal results.
Antioxidation - oxidative damage caused by reactive molecules is believed to be an important mechanism behind many diseases. Curcumin can neutralise these molecules.
Clinical trials have also explored potential turmeric benefits for specific health conditions and diseases.
Infecções virais
Many people sip turmeric tea when they have a cold or generally feel under the weather. Turmeric may indeed help to fight off several viruses, from the resfriado comum e gripe para norovírus. Curcumin could limit the replication of many viruses, bacteria, and fungi in the body - although keep in mind that the amount of curcumin in turmeric tea is unlikely to have a significant effect.
Preventing or treating type 2 diabetes
Curcumin in turmeric may be useful in preventing or treating diabetes tipo 2 in the future. This is because it can keep blood sugar levels steady and reduce inflammation, but more clinical trials with people are needed to determine any meaningful treatment methods.
Protecting heart health
Turmeric and curcumin may help to keep your heart and blood vessels healthy. In particular, it may help people vulnerable to doença cardíaca by lowering blood lipid levels - the amount of colesterol ruim in your blood. This in turn could lower a pressão arterial.
Delaying or reversing Alzheimer's disease
While research is in the early stages, there's some evidence that the benefits of turmeric and curcumin extend to brain health. Curcumin may increase brain levels of BDNF (brain derived neurotrophic factor) - a protein that supports learning and memory. Many brain disorders, including doença de Alzheimer, are linked to decreased levels of BDNF.
Fighting cancer
Turmeric may inhibit the growth and spread of cancerous cells and the growth of new blood vessels in tumours. It may even help to prevent certain tipos de câncer, particularly cancers of the digestive system. However, always discuss with your doctor any supplements you may be using. Turmeric should not be used instead of modern medicine.
Easing depression
The health benefits of boosting BDNF levels in the brain can also be seen in the treatment of depressão. There's also some evidence that turmeric increases serotonin and dopamine. These are hormones in the brain that help us feel happy. These supplements shouldn't be used instead of modern medicine but could help as part of lifestyle changes.
Relieving joint pain
Given that turmeric has anti-inflammatory properties, it makes sense that it could ease the symptoms of artrite - a health condition causing pain and inflammation in your joints. In one study of 45 people with artrite reumatoide, those treated with turmeric extracts experienced the most improved symptoms1.
Turmeric side effects and considerations
Voltar ao conteúdoWhile many studies continue to explore turmeric benefits, the impact of this natural substance in humans remains unclear and requires more research.
Turmeric spice and over-the-counter supplements or creams are generally considered safe in the recommended amounts. However, mild side-effects may occur in some people, particularly when used in large amounts - reported examples include diarreia, náusea, e stomach pain.
Some alternative practitioners administer turmeric and curcumin through IV (intravenous) therapy. This is unsafe, as scientists are yet to understand how high doses affect the human body. Turmeric administered through IV has resulted in one reported death so far.
When consumed in amounts greater than those commonly found in food, turmeric may have adverse effects in pregnant people.
How much turmeric is safe to consume per day?
The recommended daily dose is around 1.5-2 grams of turmeric powder per day, as there have been no reported side-effects at this dosage.
What does this look like?
In food and drinks - this is around one-third to half of a teaspoon per person. So, if you're making a curry for four people, you can add around one and a half to two teaspoons of spice.
As a tablet supplement - never exceed the recommended dose on the label
What about turmeric shots?
Consuming turmeric in liquid form can also make it easier for your body to absorb the nutrients. Ginger and turmeric shots are an increasingly popular health shot - see our recipe and the benefits of ginger in our article, Chás de gengibre que fortalecem a saúde: modinha ou fato?
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About the authorView full bio

Amberley Davis
Escritor sênior
BA (Hons), CPD
Amberley é uma escritora sênior na Patient e escreveu extensivamente sobre uma variedade de tópicos de saúde e bem-estar.
About the reviewerView full bio

Dr Krishna Vakharia, MRCGP
Chief Medical Officer for Health, Optum UK
MBChB, MRCGP(2013), BMedSci (hons), DFSRH, DRCOG, PGDipDerm (Distn)
Dr. Krishna Vakharia é uma médica de clínica geral do NHS. Ela também é examinadora regular do Diploma de Pós-Graduação em Dermatologia Prática na Universidade de Cardiff, além de ser a Diretora Médica de Saúde na Optum UK.
Histórico do artigo
As informações nesta página são revisadas por pares por clínicos qualificados.
Next review due: 6 Dec 2027
3 Dez 2024 | Última versão
24 Nov 2022 | Publicado originalmente
Escrito por:
Amberley Davis

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