The NFL released a memo with the rule change on ammonia inhalants on Aug. 5. See how 49ers tight end George Kittle and others ...

The NFL banned smelling salts and ammonia packets for all teams due to FDA safety concerns and potential to mask concussion ...

On Tuesday, the NFL sent a memo out to its teams stating that the league is banning ammonia inhalants, colloquially known as ...

San Francisco 49ers tight end George Kittle jokingly threatens to retire after learning the NFL is banning smelling salts.

#49ers George Kittle just crashed our set to break news that the NFL banned smelling salts and ammonia packets today. Says he ...

#49ers George Kittle just crashed our set to break news that the NFL banned smelling salts and ammonia packets today. Says he ...

George Kittle put the NFL on notice when breaking news on Tuesday. The San Francisco 49ers tight end interrupted a live NFL ...

#49ers George Kittle just crashed our set to break news that the NFL banned smelling salts and ammonia packets today. Says he ...

Kittle crashed linebacker Fred Warner's interview and according to NFL Media's Mike Garafolo broke news that the NFL is ...

Smelling salts appear to be an integral part of Kittle's football routine. The NFL is probably doing him a favor.

The NFL is banning the use of smelling salts and ammonia packets before and during all games, a ruling that has upset 49ers ...

The ban became a topic of conversation on NFL Network’s “Inside Training Camp” on Tuesday when 49ers tight end George Kittle ...