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However, the oral administration of -lipoic acid results in a limited pharmacokinetic profile, characterised by a short half-life, reaching the maximum plasma concentration in approximately 30 min, and reduced bioavailability (about 30%) [54,55,56,57,58]

Cytosolic GSTs are divided into 13 classes based upon their structure: alpha, beta, delta, epsilon, zeta, theta, mu, nu, pi, sigma, tau, phi, and omega

Additionally, GHK-Cu performs best at a physiological pH of 7.4

Brain ischemia also triggers MCT1 expression in oligodendrocytes, particularly in the peri-infarct striatum, which may allow for lactate transportation from astrocytes to produce sufficient energy (Zhou et al

Cysteine can be assimilated through different pathways depending on the needs of the cells, giving rise to sulfur compounds [6,7]

By bypassing the harsh stomach environment, more intact peptide molecules theoretically survive to reach absorptive tissues