India, Aug. 6 -- The NFL is saying goodbye to the crack of smelling salts before a big play.

The league announced a full ban on ammonia inhalants including capsules, inhalers, and even the classic "ammonia in a cup" technique, per a memo issued Tuesday.

"In light of this information, effective for the 2025 NFL season, clubs are prohibited from providing or supplying ammonia in any form at NFL games," they wrote.

"For clarity, 'ammonia' refers to ammonia capsules, inhalers, ammonia in a cup and any form of 'smelling salts.' This prohibition applies to call club personnel (including but not limited to team physicians, athletic trainers, strength and conditioning coaches and coaches or other personnel)."

"This prohibition applies through...