Proof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract <i>Sceletium tortuosum</i> (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer’s Dementia

<div>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.</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 2: Proof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract <i>Sceletium tortuosum</i> (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer’s Dementia 

Figure 2 | 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 