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GHK-Cu naturally occurs, and AHK-Cu is synthetic both lab-made for skin care

Discover the science behind the function of B12 in metabolism and cells, and find out how taking a supplement may make you feel more energized and give you better skin.

Support fat metabolism, liver health, and mental focus
get enough vitamin B12 from food, a Yale Medicine specialist discusses when to consider a supplement.

The 10% version is approximately 43% more concentrated than the 7% liquid, meaning you can use less of it to achieve the same active peptide level in your final product
