Sexual Enhancement Products for Sale Online: Raising Awareness of the Psychoactive Effects of Yohimbine, Maca, Horny Goat Weed, and Ginkgo biloba

Table 2

Subjective reports of forums’ users about sexual enhancers side effects.

Gingko biloba	(i) Head rush; (ii) Anxiety; (iii) Feeling of blood flowing through skin/feeling blood warming; (iv) Tinnitus; http://www.drugs-forum.com/forum/showthread.php?t=77902; (i) Increased heart rate; (ii) Dizziness; (iii) Chest pain; (iv) Phosphenes; http://forum.lef.org/default.aspx?f=35&m=16405; Anxiety and nausea (Ginkgo tea consumption while assuming clomipramine); http://www.socialanxietysupport.com/forum/f11/ginkgo-biloba-197737/
Maca	(i) Altered menstrual cycle (length modifications, anovulatory cycles); (ii) Painful intestinal cramps; (iii) Severe gastritis; (iv) Increased blood pressure; (v) Moodiness; http://archive.tcoyf.com/forums/t/119232.aspx; (i) Increased heart rate; (ii) Insomnia; (iii) Depression/anxiety; (iv) Worse premenstrual syndrome symptoms; (v) Acne breakout; http://www.highonhealth.org/what-nobody-tells-you-about-maca-root-powder-dangers-and-side-effects/; Mood swings; http://babyandbump.momtastic.com/pregnancy-tests/419834-gallery-o-tests-1075.html#post9282851
Horny goat weed	(i) Fever; (ii) Increased heart rate; (iii) Aggressiveness; (iv) Irritability; http://www.muscleandstrength.com/supplements/ingredients/horny-goat-weed.html#5