Both Rilax’s ingredients, Alpha S1-Casein Tryptic Hydrolysate and L-theanine are both classified as GRAS (generally regarded as safe) by the FDA.

No, Rilax provides a safe way to get a restful night’s sleep without worrying about addiction or after-effects.

Rilax does not have any negative side after-effects, such as grogginess, headaches or lack of mental clarity following a night’s rest. It is formulated to promote relaxation and better sleep. In particular, Alpha S1-Casein Tryptic Hydrolysate does not induce addiction, tolerance, memory loss, disinhibition nor sedation. It does not cause arousal, reactivity or alertness decrease. Furthermore, no physiological adverse effects were noticed. In particular, neither weight gain nor modification of the ambulatory blood pressure was observed

Alpha S1-Casein Tryptic Hydrolysate modulates blood pressure increase during a stressing situation but not the ambulatory   blood   pressure   (hypertension).   Thus,   it does   not   have   an anti-hypertensive or hypotensive effect.