2.4.2. Placebo
Placebos consisted of farina and were provided by the same producer as the Aphrodite tablets (Gol Daru Company; Tehran, Iran). Placebo and Aphrodite tablets were identical in shape, weight, color, and scent. Both participants and staff members involved in the study were unaware of the Aphrodite or placebo assignment. As for Aphrodite, two placebo tablets were taken once a day in the evening.