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Research Finds Two New Zealand Plant Extracts Reduce High Blood Pressure

March 19, 2020 3 min read

Research Finds Two New Zealand Plant Extracts Reduce High Blood Pressure

Blood circulation is one of the most important functions in the body. It supplies oxygen to the brain and other organs. It's what makes our bodies work. If you have high blood pressure you have less oxygen going into the brain. Less oxygen = an in-efficient brain! Now research findings from two New Zealand plant extracts show there is some potent solutions through nutrition.

1. New Zealand Pine Bark Extract - Enzogenol 

Enzogenol is a clinically researched, high antioxidant extract derived from the pristine and sustainable pine forests of New Zealand. The extract is rich in polyphenols called oligomeric proanthocyanidins (OPCs for short) also found in apples, pears, grapes, chocolate, wine, and tea.

Research from three different studies [1], [2], [3] found:

- Basal and hyperaemic blood flow in forearm resistance vessels increased significantly during the study indicating healthy endothelial function (blood vessel elasticity).

- Plasma viscosity was reduced by a small but clinically significant amount. 

- Systolic blood pressure was changed from 130 mm Hg to 123 mm Hg after 6 weeks indicating the supporting effects of Enzogenol for healthy blood pressure

The research proved that regular consumption of Enzogenol supports cardiovascular health through supporting healthy endothelial function (blood vessel elasticity), healthy plasma viscosity, healthy fibrinogen levels and healthy blood pressure. 

Ārepa Nootropic Capsules contain:
500mg Enzogenol
500mg Blackcurrant Extract
200mg L-theanine

Enzogenol Pine Bark Extract | Natural Nootropics
Enzogenol, Pine Bark Extract from New Zealand Pine Trees

2. New Zealand Blackcurrant Extract

Dr Matthew Cook and his research team at the University of Worcester’s School of Sport & Exercise Science conducted a small study on a group of people suffering from hypertension. Hypertension is the medical term used to reference high blood pressure.

The 14 participants who had taken part in the study were between 60 and 70 years old. Eleven of those 14 participants had hypertension – high blood pressure is determined as having a reading of 140/90mmHg and over.

The randomised, double-blind, placebo-controlled, cross-over study tested them for blood pressure, plus cognitive and physical function.

Results revealed taking a blackcurrant supplement for one week can lead to a reduction in blood pressure in older adults.

Dr Cook said: “These findings are the start of something exciting.” 

Specifically, the results showed a lowering of systolic blood pressure by an average of 5mmHg – although the effect ranged from 2mmHg to 22mmHg.

Blood pressure is measured using systolic and diastolic readings on a digital electronic monitor. Systolic (representing blood pressure in the arteries when the heart beats) is the top number and diastolic (representing blood pressure between heart beats) is the bottom number.

The study revealed diastolic pressure was also lowered by an average of 12mmHg.

“The implications of these findings are that New Zealand blackcurrant extract could be considered a nutritional strategy to manage resting systolic and diastolic blood pressure in physically active older adults,” the study concluded.

The blackcurrant extract used was a 600mg dose, which was taken for seven days. Our Ārepa Neuroberry Capsules contains 800mg per serve, which is 2x capsules, alternatively, Ārepa Performance contains the same level of anthocyanins from blackcurrant juice and extract used in the study.

Dr Cook added: “Reductions in up to 5mmHg in systolic blood pressure over lifespan reduces cardiovascular mortality risks equivalent to 20 percent. “These are sensible decreases to blood pressure.” The doctor continued: “What we don’t know yet is whether blackcurrant is providing a transient or permanent reduction across the course of a day, as we only measured one-time point, two hours after ingestion. “Because of this, the findings require more investigation.”

With cardiovascular diseases related to high blood pressure, costing the NHS around £2 billion a year, such a simple dietary addition showing promising results is good news.

“We believe the anthocyanins [in blackcurrant] have an effect by increasing the diameter of the blood vessels, a process called ‘vasodilation’,” Dr Cook suggested. “This means there is less pressure on the walls of your arteries. The reductions in blood pressure shown in this study are similar to that you can see from some pharmacological interventions.”

“This is the first study to measure blackcurrant extract on blood pressure in an age-group experiencing the typical degrading effects of aging on cardiovascular function, which puts them at greater risk of a heart attack or stroke.”

Sources [1] [2]

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