Dihexa

Animal studies only

Almost all the research is in animals. We do not know if the same thing happens in people.

Also called N-hexanoic-Tyr-Ile-(6) aminohexanoic amide / PNB-0408

Studied in rats for building new connections between brain cells. No human data.

Can a doctor prescribe this?

No. It sits on a restricted list, so pharmacies are not allowed to make it.

The FDA has not approved this as a medicine.

Still restricted. The FDA has said it plans to review this one by February 2027.

Official status: Category 2 – restricted from compounding. Checked 2026-04-15.

Lab suppliers we list: 5

Doses used in research

Taken word for word from the studies and trials listed on this page. This is not a recommendation and not a dose for anyone to take.

In animal studies

These are doses given to animals, usually per kilogram of body weight. They do not convert directly to a human dose.