Tuesday 6 September 2022

Herbs and Supplements for Menopause


 

Menopause is the natural decline of female reproductive hormone production and the conclusion of a woman’s menstrual cycles. It usually begins during your 40s or 50s.

Common menopause symptoms include hot flashes, vaginal dryness, chills, night sweats, weight gain, irregular periods, labile moods, decreased sex drive, poor sleep, bone loss, headaches, anxiety, and depression.

Since it’s an entirely natural process, treatments focus primarily on symptom management. A variety of pharmaceutical drugs are available, but the risk of side effects leads many women to use alternative therapies either alongside — or instead of — conventional treatments.

Remember to consult your healthcare provider before adding any supplements to your routine.


Here are a number of herbs and supplements commonly used to manage menopause symptoms, plus the evidence behind them and relevant safety information.


Black cohoshBlack cohosh (Actaea racemosa) is a flowering plant native to the eastern regions of North America.

Long used in Native American herbal medicine to treat a variety of illnesses, it’s currently most often taken to alleviate night sweats and hot flashes associated with menopause.

Two reviews that included data on over 8,000 perimenopausal, menopausal, and postmenopausal women concluded that insufficient evidence exists to determine whether black cohosh is any more effective than a placebo at treating menopause symptoms.

However, the authors noted that more research may be warranted.

Black cohosh isn’t recommended if you have a history of liver disease, and some reports note adverse reactions from contaminated supplements. Thus, it’s best to choose supplements that have been tested for purity by a third party.

Adverse effects are relatively rare, but the most reported are mild nausea, upset stomach, and skin rashes.


Red clover

Red clover (Trifolium pratense) is an herbaceous flowering plant in the legume family.

It’s a rich source of isoflavones. These compounds function similarly to the hormone estrogen and may help alleviate symptoms associated with the decline in estrogen production that occurs with menopause.

Red clover is frequently used to treat or prevent various menopause symptoms, including hot flushes, night sweats, and bone loss.

A review of 11 studies in menopausal women found red clover more effective at alleviating hot flushes than a placebo.

Nonetheless, this evidence is weak, and more research is needed.

Two small older studies showed that supplemental doses of red clover isoflavones may slow bone loss in menopausal women, compared with a placebo.

No serious side effects have been reported, but mild symptoms like headache and nausea are possible. Due to a lack of robust safety data, you shouldn’t take red clover for longer than 1 year.

Note that this flowering plant may not be safe for children, pregnant or breastfeeding women, or women who have breast cancer or other hormone-sensitive cancers.


Dong quai

Dong quai (Angelica sinensis), also known as female ginseng, is an Asian herb that’s closely related to celery, carrot, and parsley. It grows in the cooler regions of China, Korea, and Japan.

Dong quai is frequently used in traditional Chinese medicine to support women’s health and treat symptoms associated with premenstrual syndrome (PMS) and menopause.

Despite its popularity, there’s very little human research to support dong quai’s efficacy for menopause symptoms.

One study in 71 women that compared dong quai and a placebo revealed no significant differences in hot flashes or vaginal dryness.

However, two separate studies using dong quai in conjunction with other herbs, including red clover, black cohosh, and chamomile, found that hot flashes and night sweats were significantly reduced.

Ultimately, more research is needed.

Dong quai is generally safe for most adults but may increase your skin’s sensitivity to the sun. It may also have a blood-thinning effect, so its use is discouraged among people who take blood thinners.


Evening primrose oil


The seeds of evening primrose (Oenothera biennis) are used to make evening primrose oil (EPO).

This flowering plant is native to central and eastern North America, and its seed oil is frequently used to treat menopause symptoms like hot flashes and bone loss.

Yet, study results are mixed.

One older study concluded that EPO was no more effective than a placebo at mitigating hot flashes. However, a more recent study noted that EPO was approximately 10% more effective at reducing hot flash severity than a placebo.

Another older study compared a calcium supplement and combined EPO, calcium, and omega-3 supplement for stopping bone loss in pre- and post-menopausal women. Both groups retained bone mineral density, but the EPO supplement wasn’t more effective than the calcium.

The short-term use of EPO is generally safe for most adults. Reported side effects are mild but may include nausea and stomach pain.

EPO may interact negatively with certain HIV drugs. You should talk to your healthcare provider before taking EPO, especially if you’re on any other supplements or medications.


Maca

Maca (Lepidium meyenii) is a Peruvian vegetable in the Brassica family, alongside broccoli, cabbage, and Brussels sprouts.

It has been used for centuries in traditional folk medicine to treat physical ailments, such as anemia, infertility, hormonal imbalances, and certain menopause symptoms like diminished sex drive, moodiness, and vaginal dryness.

Evidence for maca’s efficacy for menopause is very limited. However, a few small studies indicate that it’s significantly more effective than a placebo for boosting sex drive and reducing psychological symptoms like anxiety and depression.

No significant adverse effects have been documented, but very little safety data is available. It’s unknown whether maca interferes with medications, so it’s best to check with your healthcare provider before taking it.

What’s more, maca’s recent surge in popularity makes it particularly susceptible to contamination and other quality control issues during production.

If you plan on using it, make sure you only purchase it from reputable brands that utilize third-party testing for purity and potency.

 

Soy

Soybeans boast a rich supply of isoflavones, which are structurally similar to the hormone estrogen and may exert weak estrogenic effects in your body.

Many common menopause symptoms are related to a decline in estrogen production. Hence, soy is thought to help alleviate symptoms due to its estrogen-like properties.

Yet, the available evidence is mixed.

Population studies associate high soy intake with a reduced incidence of hot flashes, but very few large-scale clinical trials show any significant benefit.

A recent review of 95 studies in menopausal women found that supplementing with soy isoflavones may favorably affect bone health, as well as the frequency and duration of hot flashes. However, no specific results can be guaranteed.

Soy foods are very safe and generally beneficial, provided you don’t have a soy allergy.

Minimally processed soy foods like soybeans, tofu, and tempeh have the best nutrient profile and highest isoflavone content.

Yet, the safety of supplementing long term with high doses of soy isoflavones is less certain. Common side effects may include stomach pain and diarrhea. Consult your healthcare provider before adding soy isoflavone supplements to your routine.


Flax seeds

Flax seeds (Linum usitatissimum), also known as linseed, are a naturally rich source of lignans.

These plant compounds have chemical structures and functions similar to those of the hormone estrogen. Flax is sometimes used to alleviate menopause symptoms like hot flashes and bone loss due to its supposed estrogen-like activity.

A review of 11 studies determined that flax seeds reduced the frequency and duration of hot flashes, but no more so than in the control groups.

In a small, 3-month study in 140 menopausal women, those who took flax seeds self-reported significant improvements in various menopause symptoms and overall quality of life.

Although the current data is promising, more evidence is needed.

Still, flax seeds are nutrient-dense and considered very safe. They’re a great way to boost your intake of fiber and healthy fats regardless of their effect on menopause symptoms.


Ginseng

Ginseng is one of the most popular herbal medicines worldwide.

Used for centuries in traditional Chinese medicine, it’s said to boost immune function, heart health, and energy levels.

Several types exist, but Korean red ginseng is most frequently studied in relation to menopause.

A 2016 review of 10 studies suggested that Korean red ginseng may bolster sex drive and improve mood and general sense of well-being in menopausal women.

However, the evidence is weak, and more research is needed.

Short-term use of Korean red ginseng appears safe for most adults.

Yet, skin rash, diarrhea, dizziness, difficulty sleeping, and headache are among the most common side effects. It may also impair blood sugar control, so it may be inappropriate if you have diabetes.

Ginseng may interact negatively with certain blood pressure, cholesterol, and blood-thinning medications. Consult your healthcare provider before trying ginseng, especially if you’re taking any such drugs.


Valerian

Valerian (Valeriana officinalis) is a flowering plant whose roots are used in a variety of herbal medicine practices to induce relaxation and a sense of calmness 

Sometimes called “nature’s Valium,” valerian is used to treat menopause symptoms like insomnia and hot flashes. Strong evidence for its efficacy is lacking, but preliminary data is promising.

A small study in 68 menopausal women determined that valerian supplements were significantly more effective at reducing subjective hot flash severity than a placebo. Another small study in 60 menopausal women found similar results.

In yet another study in 100 menopausal women, a combination of valerian and lemon balm was significantly more effective at improving sleep quality than a placebo.

Valerian has a decent safety record but is associated with mild side effects, such as digestive upset, headaches, drowsiness, and dizziness.

Taking valerian is not recommended if you’re on any medications for sleep, pain, or anxiety, as it may have a compounding effect. It may also negatively interact with supplements like kava, melatonin, and St. John’s wort.


Chasteberry

Chasteberry (Vitex agnus-castus) is a medicinal herb native to Asia and the Mediterranean. It has long been utilized for infertility, menstrual disorders, and symptoms of PMS and menopause.

Like many other herbs, research findings on its ability to alleviate menopause symptoms are mixed.

A study in 92 women comparing a placebo and a combination of chasteberry and St. John’s wort found no differences in any menopause symptoms.

However, a more recent study in 52 women taking chasteberry showed significant reductions in anxiety and hot flashes — but no meaningful changes in depression or sexual dysfunction.

Chasteberry is generally considered safe, but mild side effects like nausea, itchy skin, headache, and digestive distress are possible. You shouldn’t try it if you take antipsychotic medications or drugs for Parkinson’s disease.

Source Healthline


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Saturday 7 May 2022

Complete Guide to Cooking Oils: Health Benefits, Best Uses, and More

 


Oils are the basis for many favorite recipes and play a major part in various cooking techniques, from sautéing and frying to roasting and baking.

While many recipes specify which oil to use, some don’t. And believe it or not, you may actually get a superior meal by experimenting with something other than what’s called for.

Here’s an overview of the health benefits and best uses of common cooking oils. Keep scrolling below the image for more in-depth information on health benefits and how to store properly.


1. Extra-virgin olive oil

Quite possibly the most well-known and frequently used of cooking oils, extra-virgin olive oil, or EVOO, has earned its reputation as a healthy, versatile fat. It makes an excellent choice for its antioxidant content, heart-healthy fats, and links to cancer prevention.

Because of these benefits, and its widespread availability, you may find yourself using EVOO for absolutely every type of food prep.

But its low smoke point (the temperature at which it begins to degrade and release damaging free radicals) means it’s not always the best oil to use for cooking — at least not cooking at temperatures above 375ºF (191ºC).

For this reason, EVOO is often recommended for colder dishes like dips, salads, and dressings.

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Store in an opaque container in a cool, dark place.

2. Light olive oil

Extra-virgin may get the most attention in the world of olive oils, but its “light” cousin contains many of the same health-boosting properties.

Light olive oil has a far higher smoke point of about 470ºF (243ºC). Therefore, it’s more ideal for high-temperature cooking, like sautéing, roasting, and grilling.

Light olive oil can also be used in baking, but be aware that its flavor may be overpowering. And don’t be fooled by its name. This olive oil doesn’t contain fewer calories than other varieties. Rather, “light” refers to its more neutral taste.

Store in an opaque container in a cool, dark place.

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3. Coconut oil

Like most other oils, coconut comes in two varieties: refined or unrefined (also known as “virgin”).

Refined coconut oil has a smoke point of 450ºF (232ºC). It works well for sautéing or roasting and has a neutral, light-coconut taste.

Virgin coconut oil, on the other hand, offers more signature coconut flavor and can be used at temperatures up to 350ºF (177ºC). Both are also suitable for baking with a 1:1 ratio for butter or other oils.

Coconut oil has seen its share of controversy over its healthiness recently, so check out our analysis of the evidence around its health benefits.

Store in a glass container in a cool, dark place.

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4. Canola and other vegetable oils

Now a kitchen staple, canola oil was developed in the 1970s by researchers at the University of Manitoba — hence the prefix “can” for Canada.

While other vegetable oils come from a blend of vegetables (which, depending on labeling, may remain a mystery), canola oil is always derived from rapeseed plants.

The refining process of both canola and other vegetable oils leaves them with a neutral taste and medium-high smoke point of 400ºF (204ºC). This makes them useful for stir-frying, sautéing, grilling, frying, and baking.

Health information about canola and other vegetable oils can be conflicting, so check out our guide to their benefits and drawbacks.

Store in a cool, dark place.

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5. Avocado oil

If you know that avocados are chock-full of healthy monounsaturated fats, you won’t be surprised to learn that their oil is, too.

In addition to a high content of these good fats, avocado oil boasts the highest known smoke point of any plant oil — 520ºF (271ºC) for refined and up to 480ºF (249ºC) for unrefined. It’s a rock star for frying, searing, roasting, and grilling.

Though avocado oil is considered a carrier oil that lets other flavors shine, choose the refined version if you prefer a mild, unobtrusive taste.

Store in a cool, dark place or in the refrigerator for longer preservation.

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6. Peanut oil

There’s a reason peanut oil is so often used in Thai, Chinese, and other Asian cuisines. The refined variety, with a smoke point of 450ºF (232ºC), is wonderfully conducive to high-temperature stir-frying.

It also works well in large-batch frying, which is why the food industry heavily relies upon it for menu items like french fries and fried chicken.

Unrefined peanut oil, on the other hand, has a smoke point of 320ºF (160ºC). Add it to dressings or marinades for extra flavor. See our guide for information on peanut oil’s health effects.

Store in a cool, dark place.

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7. Sesame oil

Sesame oil just may be the unsung hero your cooking needs. With plenty of monounsaturated fats and antioxidants, it rivals olive oil as a healthy choice for cooking.

A mid-range smoke point of anywhere from 350 to 400ºF (177 to 204ºC) means it can be used in stir-frying and sautéing as well as adding flavor as a condiment.

Store in the refrigerator for best results.

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--- Source - Healthline

Tuesday 3 May 2022

Hydrangea Root - Benefits

 



What is hydrangea root?

The genus Hydrangea is made up of over 70 plant species that belong to the Hydrangeaceae family (1).

Out of these, Hydrangea paniculataHydrangea macrophylla, and Hydrangea arborescens are the most popular when it comes to medicinal properties.

H. paniculata and H. macrophylla are native to Asia, while H. arborescens is native to the eastern United States.

Other common names for these species include hortensia, seven bark, wild hydrangea, smooth hydrangea, bigleaf hydrangea, and mophead hydrangea.

Hydrangea root is a supplement made from these plant’s roots and underground stems, also known as the rhizomes.

The supplement has been used in folk medicine for hundreds of years to treat prostate and bladder infections due to its purported diuretic effects — meaning its ability to increase urine output. However, no available scientific evidence backs up this claim.

It’s also speculated that it might help treat kidney and bladder stones and enlarged prostate.

Potential benefits

Test-tube and animal studies suggest that some hydrangea root compounds may provide medicinal benefits.

May protect your kidneys

Elevated levels of certain blood markers are associated with kidney injury. Studies in mice indicate that hydrangea extract may lower some of these markers (2Trusted Source3Trusted Source).

For example, high levels of blood urea nitrogen (BUN) indicate kidney damage. Studies in animals with medically induced kidney injury found that hydrangea extract significantly reduced BUN levels (3Trusted Source4Trusted Source).

One of these studies also observed less kidney damage in mice treated with the extract, compared with a control group (3Trusted Source).

Another study similarly found that skimmin, an active molecule found in hydrangea extract, reduced BUN, blood creatinine, and urinary albumin excretion (UAE) in mice with kidney inflammation. High creatinine and UAE levels also indicate kidney dysfunction (5Trusted Source).

What’s more, research in mice determined that the extract improved medicinally induced kidney injury by downregulating kidney inflammation and cell death, although the effect was only observed in cases of previously damaged kidneys (2Trusted Source).

Still, despite these promising results, human studies are needed.

May have anti-inflammatory properties

Hydrangea root is rich in a compound called coumarin. Both coumarin and its derivative skimmin may offer anti-inflammatory properties.

Inflammation can lead to increased levels of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β), nitric oxide (NO), and interleukin 6 (IL-6) — all of which are known as pro-inflammatory markers (6Trusted Source).

Animal research suggests that both coumarin and skimmin may inhibit NO production and IL-6 activation and suppress the upregulation of TNF-α and IL-1β (2Trusted Source3Trusted Source5Trusted Source).

Additionally, in one study in mice hydrangea root extract inhibited the infiltration of inflammatory cells like macrophages and neutrophils into kidney tissue, which suggests another potential anti-inflammatory mechanism (2Trusted Source).

Lastly, in addition to coumarin and skimmin, the extract contains loganin and sweroside, two compounds known for their anti-inflammatory activities (2Trusted Source).

All this being said, keep in mind that research in humans is lacking.

May have antioxidant effects

If there are too many reactive oxygen species (ROS) in your body, a phenomenon called oxidative stress can occur, which can lead to tissue damage and other detrimental health effects (7Trusted Source).

Thankfully, molecules known as antioxidants protect against oxidative stress and said damage (8Trusted Source).

Coumarins in hydrangea root have antioxidant properties. For example, a mouse study found that hydrangea extract significantly reduced oxidative stress, suggesting potent antioxidant effects (2Trusted Source).

Similarly, another study determined that the extract significantly lowered oxidative stress markers such as NO and malondialdehyde (MDA) in mice (3Trusted Source).

It’s important to note that these benefits have not been confirmed in research in humans.

Other potential benefits

While research in humans is lacking, it’s speculated that hydrangea root may also:

  • Lower blood sugar levels. Test-tube studies and animal research indicate that the compound skimmin in hydrangea root may relieve insulin resistance and enhance blood sugar uptake (9Trusted Source).
  • Protect your liver. Test-tube research has found multiple compounds in hydrangea stems that may protect from liver toxicity (10Trusted Source11Trusted Source).
  • Provide cancer-fighting properties. One test-tube study determined that hydrangenol, another compound present in hydrangeas, may inhibit bladder cancer cell reproduction and spread (12Trusted Source).

SUMMARY

Hydrangea root may protect from kidney damage and provide antioxidant and anti-inflammatory

 effects, among other benefits. However, keep in mind that research in humans is needed.


Source Healthline


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