New Zealand 'smart drink' brand Ārepa has successfully filed a patent for its new v2.0 formula.

The nootropic beverage is packed with a bioavailable plant-based formula. With only 37 calories per serving, each bottle contains 500mg of New Zealand NEUROBERRY Blackcurrant extract, 200mg of L-theanine SUNTHEANINE, and 150mg of New Zealand Pine Back Extract ENZOGENOL.

L-theanine is a rare amino acid found in green tea. It is structurally similar to the neurotransmitter l-glutamine and is proven to cross the blood-brain barrier. Ārepa's extract is 100 percent pure and sourced from the finest green tea in Japan.

Enzogenol is an ultra-pure extract from the bark of New Zealand-grown pine trees. A broad spectrum polyphenol extract, containing many different flavonoid compounds, it is particularly high in oligomeric proanthocyanidins (OPCs), with exceptional antioxidant properties.

In addition, each serving contains the equivalent of 140 New Zealand blackcurrants - which, due to the increased levels of UV exposure and optimal climatic and soil conditions, contain 30 percent more antioxidants than European and North American varieties - and 1.5kg of fruit and vegetable flavonoids.

Ārepa's products have taken the market by storm, with dozens of customers leaving rave reviews on the company's Facebook page. "As a busy professional, I have found Ārepa just amazing," writes Mons Longely. "If you are looking for something that works for clarity and focus than you just can't go past this wonderfully refreshing beverage."

"As a professional working with athletes, adolescents, and the general public, I have found Ārepa very invigorating and refreshing," writes Taeufu Taito. "I normally get a bit tired halfway through the day however after discovering Ārepa, it has not only kept me functioning with mental clarity but given me the extra focus needed to tend to each of my clients empathically. I think this supplement has shifted my paradigm of thinking about 'supplements'."