the main protein in connective tissue that provides structural strength to skin

and is also involved in the synthesis of serotonin

rockrose herb is valued for its potential antioxidant properties that can protect against oxidative stress

Sleep and cognition : L-glycine may have calming properties and is sometimes used to improve sleep quality and support cognitive function

glutamate and GABA in urine

Hormon-Profil Frau the main protein in connectiveSaliva sample to measure all free, unbound steroid hormones. The female hormone profile measures the concentration of all sex hormones in saliva. This allows you to identify a hormonal imbalance of the steroid hormones. (Cortisol, DHEA, estradiol, progesterone, testosterone)