This role is particularly crucial in red blood cells because, being oxygen carriers par excellence, they have a literally built-in danger of damage by oxygen radicals generated continuously in the course of methemoglobin formation
Research indicates that nasal spray bioavailability for peptides like BPC-157 ranges from 40-60%, depending on formulation and individual factors
Beyond its role in serotonin synthesis, tryptophan plays a central role in the kynurenine pathway, a metabolic pathway critical for the production of nicotinamide adenine dinucleotide (NAD+), a molecule essential for ATP generation in cellular metabolism (Savitz, 2020) (Figure 5)
& Palmer, G
Although protective drugs have also been discovered, the studies had limitations, including their small sample sizes and failure to explore the mechanisms in-depth, and the clinical relevance of the findings has yet to be verified