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O2B Olive Leaf

5.0 (1 review)

$ 44.95

O2B Olive Leaf Extract immune and cardiovascular system supplement supports the body on multiple levels. Olive leaf has been used since the time of the Egyptian Pharaohs, is packed full of powerful immune-boosting phytonutrients, and is a formidable tool for supporting overall health and vitality.

$ 44.95

169 in stock

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Olive leaf extract was first used for medicinal purposes in ancient Egypt times and today modern science has confirmed what the Pharaohs knew all along, it’s a powerful tool in the fight for health, wellbeing, and vitality. O2B Olive Leaf is a high strength one-a-day capsule that contains 5,500mg of the whole Olive leaf but it also provides 110mg of the polyphenol glycoside, Oleuropein’s.

Olive leaf is a well-established powerful defender of the immune system and has been shown to support normal blood pressure and cholesterol levels. Since the discovery in the 1980s that the Mediterranean diet has significant cardiovascular protective factors, there has been a mass of research to identify what foods or plants support cardiovascular and heart health, and the Olive tree, its leaves, fruits, and oil have all been well studied for these purposes: (1)(2)(3)(4)(5)(6)(7)


  • Cardiovascular health
  • Normal blood pressure and cholesterol levels
  • Respiratory health and the immune system
  • Read more in our article Olive Leaf Formidable Properties


  1. PERRINJAQUET-MOCETTI T, et al. Food supplementation with an Olive (Olea europaea L.) leaf extract reduces blood pressure in borderline hypertensive monozygotic twins. Phytotherapy Research 2008;22:1239-1242<
  2. CHERIF, S, et al. A clinical trial of a titrated Olea extract in treating essential arterial hypertension. J Pharm Belg 1996, 5, 2, 69-71
  3. LOCKYER S, et al. Impact of phenolic-rich olive leaf extract on blood pressure, plasma lipids, and inflammatory markers: a randomised controlled trial. European J. of Nutrition, 1-12, March 2016.
  4. SINGH I, et all. The effects of polyphenols in olive leaves on platelet function. Nutr Metab Cardiovasc Dis 2008;18(2):127-32.
  5. JEMAI H, et al. Lipid-lowering and antioxidant effects of hydroxytyrosol and its triacetylated derivative recovered from olive tree leaves in cholesterol-fed rats. J Agric Food Chem. 2008;56(8):2630-6
  6. JEMAI H, et al. Hypolipidimic and antioxidant activities of oleuropein and its hydrolysis derivative-rich extracts from Chemlali olive leaves. Chemico_Biological Interactions 2008 Nov 25;176(2-3):88-98
  7. SINGH I, et al. The effects of polyphenols in olive leaves on platelet function. Nutr Metab Cardiovasc Dis 2008;18(2):127-32

Each capsule contains:

  • Olive leaf extract (equiv to dry leaf) 5,500mg, containing Oleuropein 110mg
  • Encapsulating aids


Take 1 capsule daily with food or as directed by your health care professional


  • If taking prescription medication have known sensitivities consult your health care professional before taking this product.
  • This product should be avoided by people with low blood pressure.
  • Not to be taken if you are pregnant or nursing.
  • Olive Leaf may be irritating to the stomach and should be taken with food

1 review for O2B Olive Leaf

  1. commitment to customer care

    Review by Richard Slanders

    O2B Olive Leaf Extract not only excels in supporting the immune and cardiovascular system but also stands out in customer service, delivery, and thoughtful packaging. The commitment to customer care mirrors the holistic approach of the supplement, offering support on multiple levels.

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Please note that under the NZ Dietary Supplements Regs 1985 we are not able to publish Testimonials that suggest that any of our natural supplements can diagnose, treat, cure, change or prevent any disease, disorder or chronic condition. Please be mindful of these restrictions when you leave your review, avoid the use of words like ‘treat, ‘cure’, ‘pain’, ‘fix’ or the names of specific conditions or diseases. We welcome recommendations and comments about our customer service, delivery, packaging or how much we care for you, naturally :-)
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* Disclaimer: Information on this website is for your general knowledge only. It is not intended to replace qualified medical advice nor intended to diagnose, treat, cure or prevent any disease. Do not disregard medical advice or postpone consultation with your health care professional because of information that you have read on this website. Always consult your doctor or other qualified health care professional regarding a medical condition. Always read the label of any natural health products you purchase and use only as directed. Consult a health care professional if symptoms persist. Customer reviews reflect individual experiences and results may vary.

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