It is also the cleaner choice when you want one compound, one label, and one testing target
A meta-analysis published in Obesity by Patel and Hu found that short sleep duration was consistently and independently associated with increased body weight and obesity risk across multiple population studies
Benefits include: Rehydrating dry skin Repairing lines and wrinkles Smoothing rough skin Treating lesions, skin spots, and hyperpigmentation Tightening loose skin Improving appearance Promoting healthy hair growth, strength, and health Protecting skin from harmful UV radiation Reducing inflammation, and Much more
Researchers are interested in them because some appear to modulate the same GABA, serotonin, and stress-hormone pathways that current anxiety medications target, according to research summarized by the National Institutes of Health
It is the acetylated heptapeptide Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln, corresponding to residues 17-23 of native T4 (43 amino acids)