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Phosphatidylserine is a structural component of biological membranes, whose integrity and permeability it regulates and plays a very important role in the transmission of stimuli between nerve cells. The most studied effects of phosphatidylserine concern the cognitive field. In fact, phosphatidylserine has been shown to cause an improvement in thinking ability, memory and attention capacity. On the other hand, the interest in sports is related to its ability to mitigate the cortisol response to exercise-induced stress and increase the testosterone/cortisol ratio.

Cortisol is a steroid hormone produced by the adrenal glands, defined as "stress hormone" because its levels increase due to severe psycho-physical stress, trauma or inflammatory processes and thanks to its characteristic circadian pattern, with a peak at dawn and a fall in the evening. Cortisol performs various functions in our body, among which:

  • increases gluconeogenesis (use of non-glucose compounds for glucose production);
  • decreases the use of glucose, saving it in particular for the brain;
  • reduces the immune defences and consequently also reduces inflammatory reactions;
  • decreases the synthesis of collagen and bone matrix and accelerates osteoporosis;
  • increases protein catabolism, i.e. it increases the degradation of proteins for energy purposes.

In athletes who carry out very long and intense physical training or in cases of overtraining, particularly in athletes who undergo frequent and exhausting training such as CrossFit, failure training, high levels of circulating cortisol have been measured. PS+ can help keep levels of this hormone under control and helps to maintain the right concentration and mental endurance for better performance.


Assumere 1 capsula con acqua una volta al giorno, preferibilmente lontano dai pasti.


Agente di carica: cellulosa microcristallina; NeuroPeak® 70P SUN (fosfolipidi di girasole in polvere di cui 70% fosfatidilserina), capsula: gelatina; agenti antiagglomeranti: sali di magnesio degli acidi grassi, biossido di silicio.

Valori medi

per dose giornaliera

(1 capsula)

Fosfatidilserina NeuroPeak®

100 mg