Acetyl‑L‑carnitine (ALCAR) supports cellular energy and is used for focus, mood, and nerve health; it crosses the blood‑brain barrier more readily than L‑carnitine.
Adaptogens are botanicals used to help the body resist stressors and support balance—common examples include ashwagandha, rhodiola, holy basil, and ginseng.
CBD (cannabidiol) is a cannabis‑derived compound marketed for relaxation, sleep, and pain support; only a prescription CBD product is FDA‑approved for certain epilepsies.
GABA (gamma‑aminobutyric acid) supplements are used for relaxation and sleep support; bioavailability is debated, but some users report calming effects.