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Additionally, GLP-1 also exerts anti-inflammatory effects through a variety of downstream pathways upon binding to its receptor [170]

Note: The review article states much LOWER quantities may be biologically active

The brain is protected by the blood-brain barrier (BBB)a dense layer of endothelial cells joined by tight junctions that prevents most circulating molecules from entering neural tissue

SpexHair will continue to assess its performance over the next six months and share updates on visible changes, product tolerance, and practical results helping you make transparent, confident choices about managing greying hair.