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Description
Putrescine acts as an antagonist, whereas spermidine and spermine act as agonists, regulating the activity of N-methyl-d-aspartate (NMDA)-type glutamate receptors 50

doi: 10.3389/fmicb.2019.01046 66

Helps maintain physical performance and endurance*

In todays health-conscious world, performance, vitality, and aesthetics are top priorities for many
