The page ties ashwagandha to stress and cortisol response. KSM-66 is a branded ashwagandha extract.
Several small trials of ashwagandha extracts have looked at stress scores and sometimes cortisol, with modest results. The NIH describes the research as limited and calls for more studies. Many trials use extract doses in the hundreds of milligrams a day.
KSM-66 is named as the branded extract, which is more specific than 'ashwagandha' alone.
It cannot tell you what a Honeyfil gummy does, because the amount of KSM-66 per gummy is not published. It is also an ingredient flagged for possible interactions with medicines, including thyroid and sedative medicines. If you take any medicine, ask a pharmacist first.