Fruits and vegetables have high contents of flavonoids, which are substances that promote health and prevent disease. Chrysin is one such flavonoid that can protect against cancer, prevent brain damage, and protect against heart disease, among many other benefits. Keep reading to learn more about how it can help improve your health.

What is Chrysin?

Chrysin is a flavonoid that is abundant in mint (Radix scutellariae), bee glue (propolis), blue passion flower, and honey. Flavonoids are natural substances found in a variety of edible plants. These substances have always been of great interest because of their wide range of benefits [1, 2].

It is very useful in promoting health and wellness, as evidence proves its ability to reduce inflammation, prevent brain damage, and reduce tumor and cancer cell growth [2, 3].


Chrysin limits fat molecule damage (lipid peroxidation), and thus prevents cellular membrane damage, protein damage, and the imbalance of cellular functions, an example being mitochondria’s release of calcium [2].

Mitochondria are the energy source for a cell, and it relies heavily on calcium levels for it to work. Lipid peroxidation can cause high levels of calcium to accumulate, which triggers the mitochondria to fail and cause cell death [4].

Chrysin Reduces Inflammation

Chrysin exhibits interaction with the COX-2 binding site and acts as a competitive inhibitor. COX-2 has a key role in inducing inflammation and decreasing levels of prostaglandin E2.

This promotes inflammation, pain, and swelling. By binding to COX-2, chrysin prevents cytokines from binding to COX-2, and thus stops inflammation [2].

It also blocks NF-kB activation and lowers levels of inflammatory cytokines [2].

Natural Sources

Natural sources of chrysin include [1]:

  • Mint plant (Radix scutellariae)
  • Bee glue (propolis)
  • Honey
  • Passionflower (P. caerulea L)
  • Oyster mushrooms (Pleurotus ostreatus)

Health Benefits of Chrysin

1) May Prevent Cancer

Chrysin inhibits tumor growth by activating the Notch1 signaling pathway in both cell and mice studies [2].

It also decreases the cellular activity of the NF-KB molecule, which plays a critical role in controlling inflammation, immunity, cell division, and cell survival. By doing so, chrysin is able to limit cancer cell division, communication, and survival [5, 2].

A review showed that chrysin was able to kill the following types of cancer cells [6]:

  • Breast
  • Cervical
  • Colon
  • Glioblastoma (brain)
  • Hematological (blood)
  • Liver
  • Lung
  • Pancreatic
  • Prostate
  • Thyroid

Combining chrysin with chemotherapy drugs (doxorubicin, cisplatin, and ciglitazone) also increased cancer cell death (apoptosis) and prevented tumor cell survival [6].

In a pilot trial of 20 colorectal cancer patients, 350 mg doses of chrysin combined with CPT-11 (a colorectal cancer medication) over 3 weeks helped reduce drug-induced diarrhea. However, there is no evidence that chrysin had any anti-cancer effects in the patients [7].

2) Might Prevent Brain Damage

Chrysin prevents microglia from releasing nitric oxide and inflammatory cytokines. This reduces nerve cell damage and helps prevent the development of neurodegenerative diseases such as Parkinson’s and Alzheimer’s [1].

In mice, chrysin also reversed the damage done by toxic compounds, such as reactive oxygen species and acrylamide, by acting as an antioxidant [2].

In a mouse model of Parkinson’s disease, chrysin acted as an anti-aging agent and worked to decrease memory impairment [8].

3) May Help Treat Depression and Anxiety

In mice, chrysin supplementation reduced depressive behavior and brain (hippocampal) dysfunction. It increased BDNF levels, which is thought to reduce depression [9].

Chrysin is also able to create a sedative effect, which is linked to its effects on GABA. GABA helps to calm the body down as it promotes relaxation, and balances out the increased activity of glutamate, which is increased during anxiety attacks [2].

4) May Help Improve Male Fertility

In male rats, oral administration of chrysin significantly increased testosterone production, sperm movement, and sperm concentration.

It also reduced abnormal sperm rate, indicating its potential benefits in treating male infertility [10].

Chrysin supplementation also increased testosterone production in other mice and cell studies [11, 10].

It activates the testicular StAR gene, which contributes to testosterone production. In mice with rheumatoid arthritis, chrysin reduced inflammatory cytokine activity, which helped prevent testicular injury and increased testosterone levels [2, 4].

5) Might Help with Treating Diabetes

In diabetic rats, oral chrysin administration normalized glucose and insulin levels. It also helped improve insulin signaling (transmission) [12].

In other studies of diabetic rats, aside from improving blood glucose levels, chrysin supplementation protected against diabetes-associated complications.

It reduced inflammation, memory and behavioral problems, fat levels, and oxidative damage in the brain, liver, and pancreas [13, 14, 15].

Chrysin can treat diabetes because it limits the excessive buildup of AGE. High levels of AGE may contribute to the onset of diabetes. Chrysin inhibits the activity of reactive oxygen species, which helps inhibit the production of AGE [2, 16].

6) May Help Protect the Heart

In a mouse model of drug-induced heart toxicity, chrysin inhibited heart cell death [17].

A review of mice and cell studies showed that chrysin can reduce heart damage in various ways. It activates PPAR-gamma, which reduces inflammation.

Chrysin also suppressed oxidative stress and other inflammatory pathways (MAPK and NF-kB). Excessive inflammation can cause swelling of the arteries or heart, plaque-buildup (atherosclerosis), or cell damage [2, 18].

7) May Prevent Liver Damage

In mice, chrysin supplementation reduced TNF-α levels, which was increased during chemically-induced liver damage. It also reduced inflammation [19].

In another mouse study, chrysin supplementation increased antioxidant activity and reduced oxidative damage in ethanol (alcohol)-induced liver injury [20].

Chrysin also reduced liver scarring (fibrosis) in another mouse study [21].

8) May Help Protect the Kidneys

Reactive oxygen species can cause the kidney cells to undergo DNA damage. Chrysin helps both protect DNA from further damage and is able to increase the rate of repair [2].

In a mouse study, chrysin eliminated proteinuria (a condition where more than 300 mg of protein is found in expelled urine), an indicator of kidney disease. It also increased the filtration rate, indicating a better functioning kidney [22, 2].

It increased the filtration rate of plasma (a component of blood), indicating a better functioning kidney [2].

In another mouse study, chrysin suppressed the TNF-α pathway and inflammation and prevented further kidney damage [2].

9) May Help Treat Asthma

Chrysin reduced allergic inflammation in mouse airways by reducing inflammation.

Supplementation with chrysin suppressed inflammatory pathways and molecules (inflammatory cytokines, iNOS, NF-kB, etc.) [23, 24, 25].

Side Effects

In a pilot study of 20 colorectal cancer patients, 350 mg doses of chrysin combined with CPT-11 (a colorectal cancer medication) over 3 weeks did not cause any adverse effects [7].

Another human study where 7 participants were given a single 400 mg oral dose resulted in no adverse effects [1].


Chrysin is mostly sold in capsule form. There are also creams and serums that contain chrysin [26].


In two human studies, 350 to 400 mg oral doses resulted in no adverse effects [1, 7].

User Experiences

Users said that chrysin is very effective at increasing testosterone levels. People have supplemented chrysin while bodybuilding and one user said he felt stronger. However, others said that it increased aggression levels.

Some users did not notice any effects, and one user complained of acidity.

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