Ingredient
L-Tyrosine
Every hair's color begins as tyrosine: the enzyme tyrosinase shapes this amino acid into melanin, so supply sets the ceiling on what the follicle can make.
What the evidence shows
Every line below is carried on the blend page that makes the claim. Follow it to the pathway and its sources.
A review of the human trials found tyrosine sharpens thinking under stress and heavy mental demand, exactly when dopamine runs low.
Where it appears
2 blend pages carry this ingredient. Open it and you will find this ingredient in the list.
Every pathway named, with the published study behind it. · interstellarblends.com · Sign in