Proof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract Sceletium tortuosum (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer’s Dementia
Cognitive effects of Zembrin extract in healthy subjects: Zembrin-treated subjects and placebo-treated subjects were administered CNS Vital SignR battery of neuropsychological tests at baseline and at the end of the treatment period. Cognitive domains were derived from CNS Vital SignR tests.
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