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Pumpkin seed oil

Supplement botanical oil men's healthskin & hair
Aka: Cucurbita pepo seed oil
Brands seen in Singapore: NOW Foods, Swanson Vitamins, Micro Ingredients, Deva, Life Extension
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Hair count in male-pattern hair loss · bph symptoms
Studied for
The hair trial ran 24 weeks; the bph trial 12 months
Pros & cons
Pros
  • Hair count +40% vs +10% on placebo at 24 weeks
  • Adverse effects no different from placebo (hair RCT)
  • Ipss fell by 3 months in the 12-month bph trial
Cons
  • Hair RCT: 76 men, one dose, one 24-week look
  • Bph trial: 47 men split across four arms
  • Prostate volume did not change in any arm
Sources
  1. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial (Cho et al., Evid Based Complement Alternat Med 2014) · read 2026-08-27
    what it says
    “76 male patients with AGA received 400 mg of PSO per day or a placebo for 24 weeks”
  2. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial (Cho et al., Evid Based Complement Alternat Med 2014) · read 2026-08-27
    what it says
    “Mean hair count increases of 40% were observed in PSO-treated men at 24 weeks, whereas increases of 10% were observed in placebo-treated men (P < 0.001). Adverse effects were not different in the two groups”
  3. Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia (Hong et al., Nutr Res Pract 2009) · read 2026-08-27
    what it says
    “a randomized, double-blind, placebo-controlled trial was performed over 12 months on 47 benign prostatic hyperplasia patients … Subjects received either sweet potato starch (group A, placebo, 320 mg/day), pumpkin seed oil (group B, 320 mg/day)”
  4. Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia (Hong et al., Nutr Res Pract 2009) · read 2026-08-27
    what it says
    “In groups B, C and D, the international prostate symptom score were reduced by 3 months … no difference was observed in prostate volume in all treatment groups … None of the parameters were significantly improved by combined treatment”
  5. Natural Products in the Treatment of Lower Urinary Tract Dysfunction and Infection (Lederer & Michel, Handb Exp Pharmacol 2025) · read 2026-08-27
    what it says
    “Most evidence for male LUTS is based on extracts from saw palmetto berries, stinging nettle roots, and pumpkin seeds … extracts from the same plants are likely to exhibit at least quantitative differences in potential active ingredients”
  6. HSA — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev 001 (Oct 2025) · read 2026-08-27
    what it says
    “The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list [Cucurbita pepo / pumpkin seed oil not listed in Annex A or B]”
  7. iHerb Singapore — Pumpkin Seed Oil category (default order) · read 2026-08-27
    what it says
    “NOW Foods, Pumpkin Seed Oil, 100 Softgels … Swanson Vitamins, Pumpkin Seed Oil, 1,000 mg … Micro Ingredients, Pumpkin Seed Oil, Cold Pressed … Deva, Vegan Pumpkin Seed Oil … Life Extension, Water-Soluble Pumpkin Seed Extract”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.