U stands for Unit. Other brands may reference SPU or SU, which can also be used to measure units of serrapeptase. In essence, they all have the same meaning.
Take 10% off your first order – Use Code NEW10
- sales@goodhealthusa.com
- +800 455 9155
U stands for Unit. Other brands may reference SPU or SU, which can also be used to measure units of serrapeptase. In essence, they all have the same meaning.