Possible benefits of fenugreek may include helping to manage blood sugars and raising testosterone levels. However, research is limited and fenugreek may also cause adverse effects.

People use fenugreek seeds, or methi seeds, as a spice, flavoring agent, and supplement. Fenugreek is an herb in the same family as soy. It may be able to help reduce the risk of:

However, using or consuming compounds in fenugreek may cause uterine contractions during pregnancy and worsen hormone-sensitive types of cancer.

Fenugreek may also cause mild gastrointestinal symptoms, such as diarrhea and bloating.

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Fenugreek is present in soaps, cosmetics, teas, and garam masala.

Fenugreek is one of the oldest medicinally used plants, with roots in both traditional Indian and Chinese systems of medicine.

Fenugreek extracts are ingredients in many common products, including:

  • soaps
  • cosmetics
  • teas
  • garam masala, a spice blend
  • condiments
  • imitation maple syrup products

Fenugreek contains many essential nutrients, and these help make it a strong antioxidant.

Some of these nutrients include:

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Consuming fenugreek may help with digestive problems, low testosterone, and arthritis.

Currently, there is not enough conclusive evidence to fully support the use of fenugreek for any medical purpose.

However, people have been using fenugreek in varying forms for hundreds or potentially thousands of years to treat a very wide range of conditions, such as:

Of all the reported health benefits of fenugreek, only a few have been substantially backed by scientific evidence.

Among other benefits, some research suggests that fenugreek may:

Reduce the risk of diabetes

Quite a few studies in animals have shown that at least four compounds in fenugreek have antidiabetic properties. They primarily:

  • reduce intestinal glucose absorption
  • delay gastric emptying
  • improve insulin sensitivity and action
  • reduce concentrations of lipid-binding protein

In a 2017 study, mice fed a high-fat diet with 2 percent whole fenugreek seed supplementation for 16 weeks had better glucose tolerance than those who did not receive the supplementation.

However, the fenugreek did not improve glucose tolerance in the mice who ate a low-fat diet. Also, the authors concluded that 4 days of voluntary exercise on a spinning wheel was ultimately more effective at improving glucose tolerance in all the mice than fenugreek.

Overall, the researchers found fewer benefits from fenugreek than they expected.

Improve milk production and flow

Fenugreek may help stimulate breast milk production and ease the flow. Practitioners of traditional Asian medicine have long recommended fenugreek for this purpose.

In a 2014 study, 25 women who had recently given birth drank three cups of fenugreek tea daily for 2 weeks and saw an increase in milk volume in the first weeks.

Improve weight loss

Fenugreek may suppress the appetite and increase feelings of fullness, which could help reduce overeating and lead to weight loss.

In a 2015 study, nine overweight female Korean participants drank a fennel, fenugreek, or placebo tea before lunch. Those who drank fenugreek tea reported feeling less hungry and more full. However, the tea did not cause the participants to consume less.

Because of the fiber content, fenugreek fiber extract powders may also lead to a feeling of fullness.

Raise testosterone and boost sperm count

Fenugreek may help increase low testosterone and sperm levels.

In a 2017 study, 50 male volunteers took an extract of fenugreek seeds for 12 weeks. About 85 percent of the participants had an increased sperm count.

The results also indicate that the extract consistently improved mental alertness, mood, and libido.

Reduce inflammation

The substantial levels of antioxidants in fenugreek give it great potential as an anti-inflammatory agent.

Results of a 2012 study in mice suggest that the high antioxidant flavonoid content in fenugreek seeds can reduce inflammation.

Reduce the risk of heart and blood pressure conditions

Fenugreek may help regulate cholesterol levels and improve blood pressure, which can reduce the risk of developing heart conditions and improve heart health.

This may be because fenugreek seeds contain roughly 48 percent dietary fiber. Dietary fiber is very hard to digest, and it forms a viscous gel in the intestines that makes it harder to digest sugars and fats.

Pain relief

Fenugreek has long been used for pain relief in traditional systems of medicine.

Researchers think that compounds called alkaloids in the herb help block sensory receptors that allow the brain to perceive pain.

In a 2014 study, 51 women with painful periods took capsules of fenugreek seed powder three times a day for the first 3 days of their periods for 2 consecutive months. They experienced shorter durations of pain and fewer symptoms between the months.

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Side effects of fenugreek can include an upset stomach and dizziness.

Some common unwanted effects of fenugreek include:

  • diarrhea
  • an upset stomach
  • the urine, sweat, or breast milk taking on a maple-like odor
  • dizziness
  • headaches

Some people have had allergic reactions to fenugreek, although this is rare.

Pregnant women should avoid using fenugreek because it contains compounds that can stimulate contractions and may cause birth abnormalities.

Fenugreek can also act similarly to estrogen in the body, so it may negatively impact people with hormone-sensitive cancers.

In general, a person with any health issue should avoid fenugreek or use it cautiously. Talk to a doctor before trying it.

Fenugreek does not negatively interact with many drugs, but some of the herb’s compounds may perform similar functions as medications, so taking both may not be safe.

Understanding the risks of overdosing on fenugreek will require more research. As with any medicinal food or supplement, it is best to add fenugreek to the diet at a slow, steady rate.

People have used fenugreek for hundreds of years to treat conditions ranging from unstable blood sugar to low testosterone.

While it may have health benefits, fenugreek cannot cure any condition. A doctor should assess all symptoms as soon as possible to prevent complications.

People, particularly those with chronic conditions and lactating women, should speak with a doctor before starting fenugreek supplements or significantly increasing their dietary intake.