These substances are neurotransmitters (GABA, dopamine, noradrenaline, acetylcholine, serotonin), short-chain fatty acids (SCFAs), including acetate, butyrate, propionate and lactate, bile acids and tryptophan metabolites
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IRP2 has also been shown to sense Fe-S cluster levels regardless of its degradation 138 , through a yet-unclear mechanism
Collagen Synthesis and Skin Elasticity Collagen provides the structural framework that gives skin its firmness and elasticity
(4) Polyphenols: Rhein, as one of the main components of rhubarb, has been proven to possess antibacterial and antioxidant effects
Copper peptides require precise synthesis conditions, and maintaining bioactivity in final formulations remains technically demanding