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Head-to-head evidence comparison — which supplement is right for you?
Pumpkin Seed Oil and Yohimbe are closely matched across evidence, studies, and safety.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (1)
Outcomes where both Pumpkin Seed Oil and Yohimbe have evidence — compare verdict strength side-by-side.
1000–2000 mg daily (oral capsule) or 3 g/day for cardiovascular benefit
With meals (lunch or dinner), Split dose morning and evening with food
Cold-pressed softgel capsule
Standardized yohimbine ~5-10mg (or ~0.2mg/kg) up to 1-2x daily; start at the lowest dose. Raw yohimbe bark is discouraged due to unpredictable content.
morning
Standardized yohimbine HCl (known dose)
4-12 weeks
8-12 weeks
6 weeks
8-12 weeks
2-8 weeks
Acute
Acute
Throughout use
Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review.
JAMA Dermatology (2023) · Systematic review
30 articles were included comprising 17 RCTs, 11 clinical studies, and 2 case series in individuals without known nutritional deficiency
Pumpkin seed oil (Cucurbita pepo) versus tamsulosin for benign prostatic hyperplasia symptom relief: a single-blind randomized clinical trial.
BMC Urology (2021) · Rct · n=73
Both tamsulosin and pumpkin seed oil (360 mg twice daily) produced significant decreases in IPSS and improvements in quality of life over 3 months
The effects of pumpkin seed oil supplementation on arterial hemodynamics, stiffness and cardiac autonomic function in postmenopausal women.
Complementary Therapies in Clinical Practice (2019) · Rct · n=23
Augmentation index (AIx), brachial and central systolic blood pressure significantly decreased following PSO (3 g/day for 6 weeks) but not placebo (P<0.05)
Yohimbine for erectile dysfunction: a systematic review and meta-analysis of randomized clinical trials.
The Journal of urology (1998) · Meta analysis
Yohimbine significantly more effective than placebo for ED
Erectile dysfunction.
BMJ clinical evidence (2011) · Review
Yohimbine has modest ED efficacy
Pharmacological interventions in primary or secondary male anorgasmia: A systematic review.
Actas urologicas espanolas (2025) · Systematic review
Yohimbine among agents assessed for anorgasmia
Based on RCT showing PSO 360mg twice daily improved IPSS scores but was less effective than tamsulosin. Conservative estimates given limited dose-response data and small study size (n=73).
AI-estimated from published studies. Interpret as directional guidance.
Both Pumpkin Seed Oil and Yohimbe are closely matched — the best choice depends on your specific health goals.
No known interactions between Pumpkin Seed Oil and Yohimbe have been documented in our database. However, always consult a healthcare provider before combining supplements.