Saw palmetto

Two reasons dominate. Men in mid-life buy it as a plant option in a men's health routine, and people worried about thinning hair buy it because saw palmetto is discussed in relation to the enzyme that forms DHT. Legally, food supplements with saw palmetto carry no authorised health claim in the UK, so we describe the ingredient instead of promising results. Only registered traditional herbal medicines with a THR logo may state a traditional use, and that use is limited to urinary discomfort in men with an enlarged prostate.

It depends on how much of the oily fraction you want and how you like to take supplements. Softgels with an oily extract usually give the highest fatty acid content per capsule. Dry extract capsules and tablets are often vegan and easier to combine with other ingredients. Powder keeps the whole berry profile but is far less concentrated.

Source: European Medicines Agency

Registered herbal medicines in Europe are documented at 320 mg of a concentrated berry extract per day, taken as one capsule or split into two. Food supplements vary far more, from 160 mg of a strong extract to several grams of berry equivalent. Because the numbers describe different things, compare the extract line and the fatty acid content rather than the largest figure on the front. Always follow the amount stated on the pack you buy.

With food. Reports collected for European herbal assessments mention heartburn and stomach pain when saw palmetto extract is taken on an empty stomach, and the oily extracts are absorbed more comfortably alongside a meal. A capsule with breakfast or your main meal is the simplest habit to keep. If you use two capsules a day, spread them across two meals. Consistency matters more than the exact hour.

Plan in months, not days. Studies on urinary comfort and on hair typically run for three to six months before measuring anything, so two to three weeks tells you little beyond whether the product agrees with you. Take it daily, keep the same product for a full pot or two, and judge afterwards. It is also fair to know that independent reviews of the research are mixed, so a modest result or no clear result are both realistic outcomes.

Some do, usually at lower amounts and often for hair concerns, which is also why our hair growth supplements attract the same questions. The research base in women is much smaller than in men, so there is less to go on. Saw palmetto is not suitable during pregnancy or breastfeeding, and it is sensible to speak with a GP or pharmacist first if you use hormonal contraception or hormone replacement therapy.

Saw palmetto is generally well tolerated, with mild and infrequent effects such as digestive discomfort, dizziness or headache. European assessment documents note a small number of suspected interactions with warfarin, where clotting values rose, although the mechanism is unclear. Because of that, check with your GP or pharmacist if you take anticoagulants or any prescribed medication. It is not for use in pregnancy or breastfeeding, and urinary symptoms should always be assessed by a doctor first.

Do the maths on the extract line. A 3,000 mg claim is usually a berry equivalent: 150 mg of a 20:1 extract equals 3,000 mg of dried berry. A 320 mg capsule of a concentrated oily extract at 85% fatty acids delivers roughly 270 mg of the oily fraction, which is what the clinical documentation is built on. So the smaller number can be the stronger product. If the fatty acid percentage is missing, you cannot make the comparison, and that itself is useful information.