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Are longevity peptides safe

Nutr Res
Scand J Work Environ Health .1982

For example, Cognizin has been the subject of several studies to improve cognitive impairment, including one in which 500mg/day resulted in improvements on numerous memory tests over placebo.5 In another study, 500mg and 2,000mg of Cognizin improved brain ATP levels and increased the speed of brain membrane formation.103 The closest thing to this currently on the market is Revive Brain+, which recently reformulated to include PQQ and branded Cognizin citicoline