“Topical GHK-Cu evidence proves injectable GHK-Cu works systemically.”

Misleading

This statement leaves out a limit that changes its meaning.

Route, formulation, exposure, product quality, and endpoint differ. Evidence cannot be transferred by ingredient name alone.

What this answer is based on

This answer uses an official regulator record or a specific product label.

Limits of this answer

Topical study formulations versus compounded injectable products. These limits show which substance, product, people, use, place, and time the answer covers. A different product or situation can have a different answer.

Topic

Whether evidence for one product also applies to another product.