If you’ve ever eaten Eastern Asian or Middle Eastern cuisine, there’s a good chance that you have encountered turmeric. Turmeric is a yellow-colored powder that is often used as a food-coloring agent and as a spice in a variety of foods. It belongs to the ginger family and has been used for centuries in Chinese medicine to treat inflammation, infections, and various gastrointestinal ailments.
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Health Benefits
The medicinal properties of turmeric's active ingredient, curcumin, have been recognized for centuries. Turmeric is used to treat a wide range of medical conditions. There is evidence to support some, but not all, of the medicinal uses for turmeric.
Cancer
There are ongoing studies to investigate how turmeric affects certain kinds of cancer. Animal studies have shown that it may prevent the disease in rats exposed to colon, stomach, and skin cancers. However, results have been inconsistent, and more evidence is needed to confirm this benefit.
Infections and Inflammation
More evidence is needed to know for sure if turmeric can reduce infections or inflammation in humans. Preliminary animal and laboratory studies have suggested a possible benefit. And a clinical trial showed that turmeric does not help lower viral load in HIV-positive patients, according to Memorial Sloan Kettering Cancer Center.
Cholesterol
A 2017 review and meta-analysis of seven randomized controlled trials of turmeric or curcumin found it lowered low-density lipoprotein (LDL) cholesterol and triglyceride levels.
A 2023 review and meta-analysis of 64 randomized controlled trials of turmeric or curcumin found significantly improved levels of total cholesterol, triglycerides, LDL, and high-density lipoprotein (HDL) cholesterol but no improvement in apolipoprotein A or B. However, the authors noted that the evidence was assessed as low or very low for outcomes.
There are other popular uses for turmeric that are not supported by scientific studies. They include the treatment of:
- Stomach and intestinal gas
- Alzheimer's disease
- Eye inflammation
- Bypass surgery
- Crohn's disease
- Diabetes
- Irritable Bowel Syndrome
- Joint Pain
- Psoriasis
- Rheumatoid arthritis
Selection, Preparation, & Storage
If you are interested in using turmeric in your cooking, there are many recipes available. Some call for fresh turmeric and you can purchase the whole root in the produce section of your local market. Many recipes call for ground turmeric, which you will find in the spice aisle of almost any supermarket.
Because its lipid-lowering ability is still being studied, there is no recommended amount of turmeric to consume. Therefore, you should follow the directions of your favorite recipes.
If are thinking about including high levels of turmeric in your diet or wish to consume it as a supplement, you should make sure that you consult your healthcare provider first. High amounts of this spice may aggravate certain medical conditions, including certain gastrointestinal conditions, diabetes, kidney stones, and bleeding disorders.
Possible Side Effects
Turmeric—when consumed in moderation as a food spice—usually does not cause significant side effects. But some people have reported experiencing stomach upset, nausea, dizziness, or diarrhea.
Turmeric may lower blood sugar, might slow blood clotting, and may prevent the body from absorbing iron.
Turmeric may interfere with several medications including (but not limited to):
- Medications for treating diabetes
- Medications metabolized by the liver
- Medications that slow blood clotting
It can interact with many others as well.
Using turmeric as a medicinal aid may make certain medical conditions worse, including (but not limited to) gallbladder problems, kidney stones, bleeding problems, GERD, and hormone-sensitive cancers.
It is important that you discuss using turmeric with your healthcare provider if you are taking medication or if you are managing a medical condition.
Turmeric is likely unsafe when consumed in medicinal amounts by women who are pregnant or breastfeeding.
Common Questions
Frequently Asked Questions
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Blend a small amount of turmeric into your morning smoothie, or add a teaspoon or two to your favorite soup recipe. Many people also add it to tea, to macaroni and cheese recipes, or to rice or other grain dishes.
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Since turmeric is a member of the ginger family, you may notice a familiar warmth (similar to ginger) when you consume this spice. It pairs well with chicken, fish, and beef and also with squashes such as pumpkin.