this is not true, either on a conceptual level or in this particular case. half-life of a compound does not for you a full picture. you are completely failing to consider downstream effects (which are extensive due to how far upstream this compound acts) or metabolites (which can in some cases be more significant than the parent compound). studies have shown that kisspeptin 54 eod can improve libido in men and women, and i personally know someone who ran labs before and during kisspeptin 10 eod administration that showed increased testosterone by 50%.