Overview
Cold-pressed seed oil studied for hair density and prostate health.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Phytosterols (β-sitosterol, delta-7 sterols) may inhibit 5α-reductase; rich in zinc and EFAs.
- · Phytosterols (β-sitosterol, delta-7 sterols) may inhibit 5α-reductase
- · rich in zinc
Effects on the body
Organ system effects
Pumpkin Seed Oil influences androgen signaling, prostate health, or male reproductive function.
Evidence-based benefits
Increased hair count vs placebo in men with AGA (Cho 2014)
Limited evidenceImproved BPH-related QoL
Limited evidencePotential side effects
- · Pumpkin Seed Oil is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified Pumpkin Seed Oil — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Pumpkin Seed Oil third party tested NSF
CapsulesPre-measured Pumpkin Seed Oil capsules — easiest for travel and consistent daily dosing without scoops or scales.Pumpkin Seed Oil capsules
PowderBulk unflavored Pumpkin Seed Oil powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Pumpkin Seed Oil powder unflavored
Best sellersMost-purchased Pumpkin Seed Oil products on Amazon — a quick way to see what's reviewed widely before you commit.Pumpkin Seed Oil best sellerScientific evidence9Show studiesHide studies
Pumpkin seed oil and hair growth in androgenetic alopecia
Cho YH, et al.
24-week RCT of 400 mg/d pumpkin seed oil.
40% increase in hair count vs placebo.
PubMed: Pumpkin Seed Oil — Increased hair count vs placebo in men with AGA
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PubMed: Pumpkin Seed Oil — Improved BPH-related QoL
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PubMed: Pumpkin Seed Oil — randomized controlled trial
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PubMed: Pumpkin Seed Oil — meta-analysis
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PubMed: Pumpkin Seed Oil — pharmacokinetics
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PubMed: Pumpkin Seed Oil — safety adverse events
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PubMed: Pumpkin Seed Oil — dose response
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Google Scholar: Pumpkin Seed Oil — clinical evidence
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Cross-database citation index for Pumpkin Seed Oil as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.