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Saw Palmetto

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Saw Palmetto. Lipidosterolic extract used for BPH urinary symptoms.

How it works. Inhibits 5α-reductase (mildly) and modulates androgen receptors.

What the research supports. 1 graded claims. Strongest: Improves urinary symptoms in BPH (mixed evidence) (moderate).

How much to take. Typical dose: 320 mg liposterolic extract (85–95% fatty acids).

Side effects and interactions. 2 medication interactions listed. No serious side effects listed at normal doses.

Stacking. Pairs well with Collagen peptides, Vitamin C.

Forms. 1 forms. Pick one to open its profile.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Saw Palmetto. Anecdotes are not medical advice.

Saw Palmetto. Lipidosterolic extract used for BPH urinary symptoms.

Key compound: lauric acidC12H24O2 · 200.32 g/mol

What it is

Lipidosterolic extract used for BPH urinary symptoms.

Also called

Serenoa repens

Food sources

Serenoa repens fruit

Goals

Men's HealthHormone OptimizationSkin, Hair & Nails

How it works

Inhibits 5α-reductase (mildly) and modulates androgen receptors.

Pathways

  • 5α-reductase inhibition (mild)

Effects

  • ↓DHT (mild) decreases
  • ↓BPH symptoms decreases

What the research supports

Improves urinary symptoms in BPH (mixed evidence)moderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
320 mg liposterolic extract (85–95% fatty acids)
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the permixon (lipidosterolic extract) form.
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Side effects & interactions

Common side effects

  • GI upset

Medication interactions

Finasterideminor

Additive 5-AR inhibition.

Anticoagulantsminor

Mild antiplatelet.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Collagen peptidesProvides amino acid substrate for connective tissue synthesis.
  • Vitamin CRequired cofactor for collagen hydroxylation.

Forms

Topical

Key studies

8 studies cited in total.

Saw palmetto for benign prostatic hyperplasia ↗
Meta-analysis · Cochrane Database · 2012

No significant benefit over placebo at standard doses.

PubMed: Saw Palmetto — Improves urinary symptoms in BPH ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Saw Palmetto and "Improves urinary symptoms in BPH". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Saw Palmetto — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Saw Palmetto and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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