Saw Palmetto 


Saw palmetto, scientifically known as Serenoa repens, is a small palm tree species that is native to the southeastern United States. It belongs to the Arecaceae family and is characterized by its fan-shaped leaves and dark purple berries. The plant typically grows in warm climates and thrives in sandy soils, often found in coastal regions. The saw palmetto plant is known for its unique appearance, with its leaves having sharp, saw-like teeth along the margins, hence the name “saw palmetto.” These teeth are actually modified leaf stalks and serve as a defense mechanism against herbivores. The plant can grow up to several feet in height and forms dense clusters, creating a bushy appearance. The berries of saw palmetto are highly sought after for their potential medicinal properties. Traditionally, Native American tribes utilized these berries as a source of food and medicine. The berries are rich in various bioactive compounds, such as fatty acids, phytosterols, and flavonoids, which are believed to contribute to their potential health benefits. Saw palmetto has gained popularity in recent years due to its potential effects on certain health conditions. It is commonly used as a dietary supplement and is available in various forms, including capsules, powders, and extracts. However, it is important to note that while saw palmetto has been extensively studied for its potential benefits, further research is still needed to fully understand its mechanisms of action and efficacy. In conclusion, saw palmetto is a small palm tree species native to the southeastern United States. Its distinctive appearance and beneficial berries have made it a subject of interest for its potential health effects. However, it is crucial to consider scientific research and expert advice when considering the use of saw palmetto for specific health conditions.

Expert Recommendations:

Dr. Andrew Huberman recommends this for its inhibiting 5-alpha reductase properties and low incidence of side effects¹.

How Long Does It Take for Saw Palmetto Supplements to Show Effectiveness?

The timing of supplement effectiveness for saw palmetto can vary. Some people may notice results within a few weeks of taking the supplements, while others may take several months to experience any changes. It’s important to be patient and consistent with your supplement routine to see the best results.


• Promotes prostate health: Saw palmetto is commonly used to support prostate health and alleviate symptoms of benign prostatic hyperplasia (BPH). It helps reduce inflammation and may inhibit the production of certain hormones that contribute to prostate enlargement. • Relieves urinary symptoms: BPH can cause urinary symptoms such as frequent urination, weak urine flow, and incomplete emptying of the bladder. Saw palmetto has been shown to improve these symptoms by reducing the pressure on the urethra and improving urinary flow. • Supports hair health: Saw palmetto is often used to combat hair loss, particularly in men. It may help inhibit the conversion of testosterone to dihydrotestosterone (DHT), a hormone that contributes to hair loss. By reducing DHT levels, saw palmetto can promote hair growth and prevent further hair thinning. • Anti-inflammatory effects: Saw palmetto contains several compounds that possess anti-inflammatory properties. This can be beneficial for various conditions, including prostate inflammation, urinary tract infections, and even respiratory conditions like asthma. • Enhances sexual health: Some studies suggest that saw palmetto may improve sexual function and libido. It may help increase testosterone levels, which can enhance sexual desire and performance. • Antioxidant properties: Saw palmetto contains antioxidants that help protect the body against oxidative stress and free radicals. This can have a positive impact on overall health and may reduce the risk of chronic diseases. • Supports hormonal balance: Saw palmetto has hormonal effects that can help balance levels of testosterone and estrogen in the body. This can be particularly beneficial for women experiencing hormonal imbalances, such as polycystic ovary syndrome (PCOS). • May improve bladder control: Saw palmetto has been found to have a positive effect on bladder function, potentially reducing urinary urgency and frequency. This can be beneficial for individuals with overactive bladder or urinary incontinence. • May reduce inflammation in the respiratory system: Saw palmetto has been traditionally used to alleviate respiratory conditions like bronchitis, asthma, and chronic cough. Its anti-inflammatory properties may help reduce inflammation in the airways and improve breathing. • May support overall well-being: By promoting prostate health, hormonal balance, and reducing inflammation, saw palmetto can contribute to overall well-being. It may help alleviate symptoms that can interfere with daily life and improve quality of life.


• Consult with a healthcare professional before starting saw palmetto supplementation, especially if you have any pre-existing medical conditions or are taking other medications. • Pregnant or breastfeeding women should avoid using saw palmetto as its effects on these individuals are not well-studied. • Saw palmetto may interfere with hormonal medications or therapies, so it is important to discuss its use with your doctor if you are undergoing any hormone-related treatments. • Some individuals may experience mild side effects such as stomach discomfort, nausea, or headache. If these symptoms persist or worsen, it is advisable to discontinue use and consult a healthcare professional. • Saw palmetto may have a mild blood-thinning effect, so individuals with bleeding disorders or those taking blood-thinning medications should exercise caution and consult a doctor before using it. • Long-term effects and safety of saw palmetto supplementation are not well-established, so it is advisable to use it for short-term periods unless otherwise directed by a healthcare professional.


1. Healthy Hair Science | Huberman

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