Are the TWYDIL® products expensive ? No, the TWYDIL® products are not expensive if you consider the quality/price relation. Indeed, for each product, we justify and guarantee the quality and the dosage of the active substances in respect to the goals set, and this at unbeatable daily cost. Also all our products are certified to be free from any forbidden substances by an official and independent laboratory. No waiting time is necessary prior to any participation in competition.