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At the end of the day, the color isnt an added dyeits a feature of the ingredient itself

doi:10.1002/bit.260400806 Santos LO, Gonzales TA, Ubeda BT, Monte Alegre R (2007) Influence of culture conditions on glutathione production by Saccharomyces cerevisiae

10.1007/s12272-013-0051-4 92 ShinjyoN.KitaK

doi: 10.1634/theoncologist.2019-0057

Instead, they should work in harmony with your external products

BPC-157 significantly accelerates reticulin and collagen formation, as well as angiogenesis, along with macrophage stimulation and fibroblast infiltration, which is a potential therapeutic tool in the treatment of wound healing