Olive Leaf Extract a natural-source dietary supplement produced from olive leaves. It contains a very high level of oleuropein, a bioactive phytonutrient specific to the olive tree, which helps control blood lipids and prevent carbohydrate absorption.

It is aimed at anyone who wants to improve their cardiovascular health and maintain the integrity of their blood vessels. Individuals with the following risk factors are likely to be particularly interested in this product:

• Those who are overweight.
• Those with type 2 diabetes.
• Those prone to circulation problems.
• Those with high blood pressure.
• Those who are stressed.
• Those who have hypercholesterolemia.

Moringa is a plant that has been recognised, used and valued for thousands of years in traditional Ayurvedic medicine. It’s the only genus in the plant family Moringaceae and is grown in the world’s tropical regions and in Madagascar, primarily for the exceptional nutritional value of its leaves (10-11). These contain vitamins (particularly vitamins C, B6 and B2), minerals (primarily iron and magnesium), important amino acids and fatty acids (12-3), as well as precious antioxidants including rare carotenoids, flavonoids and phenols (14).

Several studies have shown that Moringa leaves were used for their anti-inflammatory (17), anti-hypertensive (18), diuretic, antimicrobial (10), antioxidant (20), anti-hyperlipidaemic (21), cardio-protective and liver-protective (22-23) properties. According to Ayurvedic medicine practitioners, Moringa may prevent more than 300 diseases (24)!

The effect of Olive Leaf Extract capsules has been directly measured in three clinical trials (22).

1) One year’s supplementation with 250mg a day

Following 12 months’ daily supplementation by subjects with elevated cholesterol levels, researchers recorded:

• A 20% reduction in ‘bad’ LDL-cholesterol.
• A 13% increase in ‘good’ HDL-cholesterol.
• A 10% decrease in total cholesterol and a 5% decrease in triglycerides.

2) Four weeks’ supplementation with 250mg a day

In overweight subjects, there was a significant improvement over four weeks in the expected ratio of coronary risk as compared with placebo. A clear decrease in triglycerides was observed.

3) Eight weeks’ supplementation with 250mg a day

The third study examined the ability of Olive Leaf Extract to reduce oxidative stress. Results showed that daily supplementation with 250mg reduced levels of MDA (malondialdehyde) by almost a third, a urinary marker of oxidative stress.

Why use extracts of olive leaf rather than olives?

Studies suggest that the leaves and fruit are equally rich in oleuropein (23), but the olive leaf is considered a more renewable natural source for extraction (24). Hence its use in Olive Leaf Extract, and its ingredient Olécol®.

Organic Moringa leaf extract is an aqueous extract made from the plant’s leaves.

It contains three major types of compound, in addition to the above-mentioned vitamins, minerals and fatty acids:

1. Polyphenols, including flavonoids and phenolic acids. The principal flavonoids are quercetin, rutin, chlorogenic acid, kaempferol, myricetin and benzylamine (moringine) (25), while the most abundant phenolic acids are salicylic, gallic, coumarinic and caffeic acid (26) as well as chlorogenic acid. The latter plays a role in glucose metabolism: it is at least partly responsible for the anti-diabetes properties of the extract (27-28).
2. Alkaloids, in particular glucosinolates and isothiocyanates, which are primarily responsible for Moringa’s anti-inflammatory effects.
3. Saponins, which reduce cholesterol absorption by binding to molecules and acids in bile (29).

In 2007, researchers examined the active principles of Moringa oleifera leaves (30). They found that two additional molecules, niazarin and niaziridin, increase the biological activity of the antibiotic compounds and facilitate gastrointestinal absorption of the vitamins and other micronutrients present in the leaves.