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Botanical ingredient

Saw palmetto: What It Is, What It Brings and How to Choose a Supplement

Serenoa repens · Also known as Serenoa, dwarf palm berry

Saw palmetto is the best-known plant in men’s prostate-comfort formulas worldwide, used for generations and backed by one of the largest research records of any herb.

What is saw palmetto?

Saw palmetto is the fruit of Serenoa repens, a small palm native to the south-eastern United States. Supplements use a lipidosterolic extract of the berry.

The extract concentrates fatty acids and sterols; standardisation is usually expressed as a percentage of total fatty acids, commonly 85–95 %.

Traditional and regional use

Saw palmetto berries were eaten by Native Americans in the south-eastern United States and later adopted into Western herbal practice for men’s urinary comfort. It reaches Africa as an imported extract in men’s health formulas.

What is saw palmetto known for?

Good to know. Supplements containing saw palmetto are food supplements, so their labels describe support for everyday wellbeing.

Saw palmetto has been studied in numerous randomised trials for men’s urinary comfort as the prostate changes with age.

Studies of specific standardised extracts, including hexane extracts, have reported favourable results, which is why quality formulas state the extract type.

It is at its best as part of daily use, taken as a course over weeks and months.

How is it used in supplements?

Saw palmetto anchors most prostate formulas, usually alongside pumpkin seed oil, nettle root, lycopene, zinc and selenium.

Forms and sources

Safety

  • Generally well tolerated in trials over periods of months.
  • Mild digestive effects are the most common complaint.
  • New urinary symptoms are always a reason to see a doctor; saw palmetto accompanies that check, it does not replace it.

Possible side effects

Stomach discomfort, nausea, headache. Rare reports of liver and pancreatic effects exist.

Interactions

Possible additive effects with anticoagulants; may theoretically interact with hormonal medicines. It can also affect PSA test interpretation, which your doctor needs to know.

Who should seek professional advice

Any man over 45 with urinary symptoms should be assessed medically first. Anyone due a PSA test should mention saw palmetto use.

How to choose a supplement containing saw palmetto

Products containing saw palmetto

Products documented in African markets whose supplier material names this ingredient.

Prostcare capsules bottle
Kenya

Prostcare

Saw palmetto, lycopene, green tea and turmeric capsules for men’s urinary comfort

KES 4,999

Order page
Kensei Men’s Prostate Wellness herbal capsules, jar of 30
Kenya

Kensei

Saw palmetto, pumpkin seed and pygeum capsules for men’s prostate wellness

KES 6,480

Order page

Supplement categories using this ingredient

Related health topics

Frequently asked questions

What has saw palmetto been studied for?

Trials have measured urinary symptom scores over weeks and months, which is why saw palmetto formulas are taken as a course rather than judged in a few days.

Can it affect a PSA test?

Tell your doctor you take it. Some prostate ingredients can influence how results are interpreted, and your clinician needs the full picture.

Related ingredients

References

Medical disclaimer. BioMedic Africa publishes consumer health information and supplement research summaries. It is not a pharmacy, a clinic or a medicines regulator, and nothing here is a diagnosis, a prescription or a treatment plan. Dietary supplements are foods, not medicines: they are not intended to diagnose, treat, cure or prevent any disease. Speak with a pharmacist or a qualified healthcare professional before starting any supplement, especially if you are pregnant or breastfeeding, under 18, living with a long-term condition, or taking prescription medication.