Erections refers to the ability to achieve and maintain and erection as well as its rigidity. Many supplements catering towards erectile dysfunction are said to possess these pro-erectile properties.

This page features 2 unique references to scientific papers.

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The Human Effect Matrix looks at human studies (excluding animal/petri-dish studies) to tell you what supplements affect Erections
Grade Level of Evidence
A Robust research conducted with repeated double blind clinical trials
B Multiple studies where at least two are double-blind and placebo controlled
C Single double blind study or multiple cohort studies
D Uncontrolled or observational studies only
Level of Evidence
Magnitude of Effect Size
Scientific Consensus Comments
B Panax ginseng
Comparative Health Goals evidence only available to buyers of our Supplement-Goals Reference

All information is still available and viewable on their respective supplement page.
B Yohimbine
C Coenzyme Q10
C Eurycoma Longifolia Jack
C Maca
C Tribulus terrestris
C Ashwagandha
C Butea superba
C Dehydroepiandrosterone
C Saffron
D Citrulline
D L-Carnitine
D Pycnogenol


  1. Ismail SB, et al Randomized Clinical Trial on the Use of PHYSTA Freeze-Dried Water Extract of Eurycoma longifolia for the Improvement of Quality of Life and Sexual Well-Being in Men . Evid Based Complement Alternat Med. (2012)
  2. Tambi MI, Imran MK, Henkel RR Standardised water-soluble extract of Eurycoma longifolia, Tongkat ali, as testosterone booster for managing men with late-onset hypogonadism . Andrologia. (2012)

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