Please note: nothing on this page of the website should be taken as a health claim relating to Ārepa, and merely is to provide background on current and previous scientific research that we have considered and is publicly available.

Ārepa Published Studies

• Improving Mental Performance in an Athletic Population with the Use of Ārepa® - Link
• Effects of 7-day polyphenol powder supplementation on cycling performance and lung function in an ozone-polluted environment - Link

Neuroberry® Blackcurrant

• The effect of New Zealand blackcurrant on sport performance and related biomarkers: a systematic review and meta-analysis - Link
• Supplementation of Blackcurrant Anthocyanins Increased Cyclic Glycine-Proline in the Cerebrospinal Fluid of Parkinson Patients: Potential Treatment to Improve Insulin-Like Growth Factor-1 Function - Link
• Acute supplementation with blackcurrant extracts modulates cognitive functioning and inhibits monoamine oxidase-B in healthy young adults. - Link
• A Review of the Cognitive Effects Observed in Humans Following Acute Supplementation with Flavonoids, and Their Associated Mechanisms of Action - Link
• Neuroprotective effects of berry fruits on neurodegenerative diseases - Link
• Short-term blackcurrant extract consumption modulates exercise-induced oxidative stress and lipopolysaccharide-stimulated inflammatory responses. - Link
• Effect of black currant anthocyanins on the activation of endothelial nitric oxide synthase (eNOS) in vitro in human endothelial cells. - Link
• Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals. - Link
• Consumption of polyphenolic-rich beverages by healthy subjects for a short term increased serum antioxidant status, and the serum's ability to attenuate macrophage cholesterol accumulation. - Link 
• Supplementation with orange and blackcurrant juice, but not vitamin E, improves inflammatory markers in patients with peripheral arterial disease. - Link
• Effects of blackcurrant anthocyanin intake on peripheral muscle circulation during typing work in humans. - Link 
• Berries modify the postprandial plasma glucose response to sucrose in healthy subjects. - Link
• Postprandial glucose, insulin and glucagon-like peptide 1 responses to sucrose ingested with berries in healthy subjects. - Link
• The pharmacodynamic profile of New Zealand blackcurrant juice effects upon the monoamine axis in humans. - Link
• Timed consumption of a New Zealand blackcurrant juice support positive affective responses during a self-motivated moderate walking exercise in healthy sedentary adults. - Link

Enzogenol®
New Zealand Pine Extract

• Improved cognitive performance after dietary supplementation with a Pinus radiata bark extract Formulation. - Link
• Antioxidant Activity of Enzogenol®. - Link
• Pilot study on the clinical effects of dietary supplementation With Enzogenol®, a flavonoid extract of pine bark and vitamin C. - Link
• Comparative effects of Enzogenol® and vitamin C supplementation versus vitamin C alone on endothelial function and biochemical markers of oxidative stress and inflammation in chronic smokers.- Link

L-theanine

• Effect of L-theanine on sensorimotor gating in healthy human subjects. - Link
• Anti-stress effect of L-theanine on students during pharmacy practice: Positive correlation among salivary α-amylase activity, trait anxiety and subjective stress. - Link
• Effects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stresses.   - Link
• Kinetics of L-Theanine uptake and metabolism in healthy participants are comparable after ingestion of L-theanine via capsules and green tea. - Link 
• Effects of L-Theanine on Attention and Reaction Time Response. - Link
• The effects of L-theanine on objective sleep quality in boys with attention deficit hyperactivity disorder (ADHD): a randomized, double-blind, placebo-controlled clinical trial. - Link 
• L-theanine has the potential to promote mental health in the general population with stress-related ailments and cognitive impairments. -Link