Recipe For Marigold Decoction is a Document in Kingdom Come: Deliverance.
"Whoever has been wounded and battered or has bruises and wounds on his body, let him try drinking this potion for recovery. It helps to heal wounds and gives the body the strength to recover. Should it not be enough, though, better to call a physician. It also aids against hangover."
Recipe For Marigold Decoction can be acquired at the following locations