Maca Root
The formula's most researched ingredient, with a 12-week placebo-controlled trial behind it. Read more in our Maca Root deep dive.
Ashwagandha
A centuries-old Ayurvedic tonic, studied in a 60-day randomized trial for stress and cortisol reduction. See our Ashwagandha article.
Muira Puama & Catuaba Extract
Two Amazonian bark tonics, used for generations in Brazilian folk medicine for male vigor.
Tribulus Terrestris & Horny Goat Weed Extract
Long-standing staples of Mediterranean and Chinese traditional practice. See our Tribulus & Horny Goat Weed article.
L-Arginine
The amino acid the body uses to make nitric oxide, supporting healthy circulation. More detail in our L-Arginine guide.
Green Tea Extract & Caffeine (5mg)
Green Tea contributes catechins and a small, separately-labeled amount of naturally occurring caffeine — a labeling practice the Council for Responsible Nutrition considers good transparency practice.