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Types of Saw Palmetto: Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
Liposterolic Extract (CO2 or hexane extracted)HighClinical applications — this is the form used in the majority of clinical trials; standardized to 85-95% fatty acids and sterols
Whole Berry PowderLow-ModerateGeneral wellness — less concentrated than standardized extracts; lower active compound content
Saw Palmetto Oil (Supercritical Extract)HighSoftgel form — supercritical CO2 extraction preserves the full fatty acid and phytosterol profile

Liposterolic Extract (CO2 or hexane extracted)

Bioavailability: High. Best for: Clinical applications — this is the form used in the majority of clinical trials; standardized to 85-95% fatty acids and sterols.

Whole Berry Powder

Bioavailability: Low-Moderate. Best for: General wellness — less concentrated than standardized extracts; lower active compound content.

Saw Palmetto Oil (Supercritical Extract)

Bioavailability: High. Best for: Softgel form — supercritical CO2 extraction preserves the full fatty acid and phytosterol profile.

References

  1. (). Serenoa repens for benign prostatic hyperplasia. Cochrane Database of Systematic Reviews. DOI
  2. (). Effect of increasing doses of saw palmetto extract on lower urinary tract symptoms: a randomized trial. JAMA. DOI
  3. (). Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia. International Journal of Immunopathology and Pharmacology. DOI