ad.1) One of the 20 basic aminoacids, which proteins are made of. ad.2) Short of eating processed, hydrolyzed amino sludges; probably general protein restricti

ad.1) One of the 20 basic aminoacids, which proteins are made of. ad.2) Short of eating processed, hydrolyzed amino sludges; probably general protein restriction, which IMHO isn't very advisable.