Best Olive Leaf Supplements

(Last Updated On: November 20, 2018)

The olive leaf supplement is made from the olive leaf extract which is taken from olive leaves. The extract contains oleuropein which is a nutrient that contributes to the anti-inflammatory and antioxidant properties in the olive leaf extract. It sounds like these supplements can help with arthritis and other joint issues through natural means. Whether they work better than prescribed medications is not known. They may also have milder or no side effects in comparison to prescription meds that serve the same function. They would be a lot cheaper than prescription meds as well. Let’s look at some of the better olive leaf supplements on the market sold today. There are plenty of olive leaves medications on the internet, especially on Amazon.

Best Olive Leaf Extract (NON-GMO) Super Strength: 20% Oleuropein -Vegetarian – Immune Support, Cardiovascular Health & Antioxidant Supplement – No Oil

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Benefits and Uses: The company says that you already know that olive oil is beneficial for your heart and immune system. But it is impractical and not safe to drink a ton of pure oil. So you can get the same results by consuming the company’s olive capsule and you just take it once a day. They say it is a NON-GMO product. The capsules contain a whopping 750mg of olive leaf extract and 20% Oleuropein which brings a myriad of health benefits to the olive leaf extract. The product goes through minimal processing and the product comes from NON-GMO olive trees. The olive tree will fight free radicals and support normal blood pressure among the many health benefits it gives to the human body. From ancient times the olive tree has been known for its many health benefits. In ancient times, the olive tree was used to cleanse wounds from becoming infected. It is a great immunity booster and the company chose to produce the product in an FDA-registered facility that follows the latest GMP guidelines so you know each capsule will contain only non-GMO, vegan ingredients. The product is manufactured in the United States.

Feedback: The product has had over 1350 reviews written about it. The customer has been taking medication to lower the cholesterol for the past 5 years. The customer added olive leaf extract to the mix and the cholesterol levels normalized. The customer writes her doctor took her off Lipitor and the customer says they will keep consuming olive leaf extract capsules. So, according to the customer, the olive leaf extract will normalize cholesterol levels. I did not know that olive leaf extract could normalize cholesterol levels or it helped to normalize cholesterol levels in conjunction with the other medications. The customer rated the product 5-stars.

Olive Leaf Supplements

The client writes they have struggled with high blood pressure for years. They started taking the olive leaf extract in 30 days and the blood pressure lowered. The numbers went from 171/111 and 117/78 which are sizeable drops in blood pressure. The customer says they could not be happier but they did reduce their sodium content as well. So, the two moves worked in conjunction with one another to lower the client’s blood pressure. Now, the customer must keep taking the olive leaf extract and stay away from sodium to keep the cholesterol levels. The client says it is an amazing product and the client rated the product 5-stars. This is not a good review written about the product. The customer has taken this brand of olive leaf extract for years with no problem. This has all changed with the latest batch the customer received. The customer says they took the latest round of capsules they received and the suffered bad stomach aches and nausea. They tried the capsule a second-time and they had the same result, They think there are quality control issues with the product. The customer will not buy the product anymore from this company. The customer obviously does not trust the company anymore. The customer lowered their rating to a one. The company keeps letting the quality control slip they will lose their whole customer base. No one wants to consume a product that will give them stomach pain and make them feel nauseous.

This customer says the capsules caused her severe nausea and she rated the product one-star. This almost sounds like what would happen if people drank pure olive oil. The company said in the product description that to consume pure olive oil would be harmful and impractical. But people are consuming these 750mg capsules and they are having severe stomach issues. This would be like drinking pure olive oil you would get sick to your stomach. Either these customers received bad batches or there is something very wrong with these olive leaf extract capsules. Other reviews say the product is a miracle product and has worked wonders for the customer. How do you explain this? The last customer also gave the product a one-star rating.

Here we have another paradoxical review. These were sisters taking the same product. The customer, who wrote the review, says the capsules made her light-headed. But yet her sister is on her third bottle and the doctor has taken the sister off the heart medications supposedly because of the olive leaf extract. Again, how can the same capsule make one sister feel lightheaded and the other sister is taken off her heart medications because she consumed the same product? Family members should not be that biologically different that one will have a negative reaction to the product and the other one will have a positive reaction to the same product. It could be the sister who became light headed from taking the capsules received a bad batch. If the customer did receive a bad batch this could potentially be the third person who received a bad batch of the product. There was one review written in which the person said they read many reviews in which people said they had severe nausea from taking this product. This could mean all these people received bad batches of this product. If this is the case, this company has very bad quality control processes. If their quality control is so sloppy can they be trusted to process a quality product? They say in the product review that their processes follow the latest GMP guidelines. (Good Manufacturing Processes) Could this be a lie as well? Too many people have gotten nauseous from taking the product.

East Park Research – d-lenolate 500mg – Olive Leaf Extract – Natural Powerful Immune Support & Antioxidant Supplement 

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Benefits and Uses: This product says it is the finest olive leaf extract on the market today. It too contains Oleuropein which stops invading microorganisms from weakening the immune system. Their extraction process is unique they claim. The company says the extraction process has been tested and it will protect the immune system against microorganisms because of the ingredients (especially Oleuropein) contained in it. It also helps the body to eliminate toxins. It is 100% natural and it has been clinically tested. Like usual the company does not cite any links to the research or any results of the clinical testing. It makes me wonder if the product really was clinically tested.

For the third time, the company says the extract process removes all natural ingredients from the olive tree and the Oleuropein will work with white blood cells to remove toxins from the body. It is said to normalize the body’s chemistry as well but they do not say how this is done by the product. The company is really pounding the patented extraction process for some reason. Could it be the extraction process is not that effective? The company says you have suffered from colds, cases of flu, and other common sicknesses. But take their product and it will protect your immune system. The implication is that you will not get sick anymore because the product will provide you with a super immune system.

Feedback: The customer grandly announces that they have been using and recommending this extraction process for 15 years. The client says the product will knock out a cold or flu before it can take a hold in the consumer’s body. This verifies that the company’s product may strengthen the immune system. But let’s see if other reviews will confirm that the product will buffer the immune system. The customer rates the product 5-stars. This may be a fake review also.

This is a dangerous review because the client takes way more than the recommended dose. The dose says to take one capsule I believe this is the usual amount you are to take. This client takes 3 in the morning and 3 at night this is 6 tablets a day instead of one. Each capsule is 500mg of olive leaf extract. So, we are talking this person is taking 3000 mg a day. They claim it broke a 103-degree fever, colds before they can set in the body, feet fungus, and other ailments. They have recommended it to other people and these people tested the product and experienced the same results but they probably took too many like this client. These pills were not designed to be taken in these quantities.

The client is abusing the product and what happens when the body builds up a tolerance to the supplements and the customer no longer gets the results they are now? The customer rated the product 5-stars but they are taking too many capsules. I am not a doctor but how long can the human body take being infused with 3000mg of olive leaf extract. The customer claims they are getting these great results but they are taking way too many capsules. The customer rated the product 5-stars. This is an alarming review because the customer is taking dangerous amounts of the product.

Stop Aging Now – OliPure BP™ Blood Pressure Support Formula – Ref Code (OBPWPT) – Supports Healthy Blood Pressure 

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Benefits and Uses: The product features a clinically proven ingredient that has been shown to improve the blood pressure by 11 points in 8 weeks. The product will help to regulate the blood pressure. The product will also help to regulate the normal constriction and relaxing of blood vessels which will produce optimal blood flow and healthy circulation. The product will normalize blood pressure and help the body to circulate the blood in the healthiest way it can. The company shares results from the clinical studies so there is a good chance that the clinical studies are valid. The capsules contain 1000mg each of the olive leaf extracts. The company recommends you take one of these 1000mg tablets a day. The product was designed to control high blood pressure and maximize the blood circulation through the body.

Feedback: The customer said the product had the reverse effect on their blood pressure. Instead of lowering the blood pressure it sent the blood pressure to the highest level the client ever had. The blood pressure was at 130/80 but this medication shot it up to 150/100 which is a dangerous level. The doctor put the client on B/P pills. The customer was disappointed and rated the product 2-stars. I would have rated the product one-star. This was the only medication the customer was taking so clearly these supplements made the blood pressure skyrocket. This is very alarming because the company says that studies proved the product lowered the blood pressure in people in some cases up to 11 points in 8 weeks. Then this customer takes the product and the blood pressure medicine raises their blood pressure by 20 points. The doctor had to put the client on Blood pressure medication. This is a total contradiction to what the company claims the product will do. The product was designed to lower the blood pressure and keep it under control not raise it to higher levels.

This is a very basic review that says absolutely nothing about the benefits of the product. The customer writes that the product is working. What is that supposed to mean? How is it working? The customer does not say if the medicine is controlling the blood pressure or keeping it at the same levels. The customer does not say the medicine is lowering the blood pressure either. If the medicine is stabilizing the blood pressure and keeping it at its current high levels it is not working. But we do not know any of this because the client does not detail how the medication is working. The customer rates the product 4-stars but again the customer does not say why the product was rated 4-stars. If the product is working why doesn’t the client tell us why it is working. The review may as well not have been written. It will not help to sell the tablets to any potential customers.

Best Olive Leaf Supplements

Best Olive Leaf Extract 750 mg 40% Oleuropein (Non-GMO & Gluten Free) 

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Benefits and Uses: The product is loaded with polyphenols ( they are compounds that contain more than one phenolic hydroxyl group) and it contains 750 mg of olive leaf extracts. It also contains 40% of the ingredient that buffers the immune system as all these types of extracts will contain this ingredient. The bottle contains a 60-day supply of tablets. The company says if you are not happy with the product because it does not produce the desired results they will refund your money. You have 30 days to make this determination. The product is made in the United States.

Feedback: The customer says they have been taking it with other medications and they do not know if it has independently helped the client apart from the other medications. But the customer says it is a top contender. The client’s mother has taken the pills too and the mother is very active. The pills have helped the mother to make it through the day and the mother is not sore at the end of the day. The customer says they and the mother have not gotten sick since consuming this product.

The customer has been taking one a day and is thinking about taking two a day for a greater impact on the body. The customer says the bottle label has answered the question. The client is treading on the dangerous ground even thinking about taking more of the product. This could end up being harmful to the client’s body. The customer rated the product 5-stars. But customers should not follow this client’s lead in increasing the dose of the product. This customer says they received a bad batch because the batch they received was dark in color and did not smell fresh. How can supplements be shipped in such a bad condition? The customer says don’t buy the product and suggests other brands to try. The customer rated the product one-star. The customer most likely will not buy the product again.

Real European Olive Leaf Extract, 25% Oleuropein – plus Hydroxytyrosol Complex. Professional Strength by Island Nutrition

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Benefits and Uses: This product contains an element that will protect the immune system. Each capsule contains 500 mg of the olive leaf extract. The product is made from authentic Mediterranean olive trees the company claims.

Feedback: The customer did not give very positive feedback about the product. They rated it 3-stars and said it helps to lower the blood pressure and help the body to remove toxins. For such good benefits, the customer is not too excited about the product. So does the customer like the product or not. It is really hard to tell the customer’s true feelings about the product.


The article has reviewed some olive leaf extract supplements. All of the products contain Oleuropein which will help support the immune system. Some of the supplements contain a higher percentage of this element than others did. For one product many people complained it made them very nauseous and this sounds dangerous. One product raised the customer’s blood pressure to the highest level it had ever been. The product was supposed to lower the blood pressure not increase it.

Written by Irina Radosevic MD
Irina graduated from the University of Belgrade, School of Medicine as a Doctor of Medicine (MD) and spent over 3 years working in the Clinical Hospital Center Zvezdara, in the Department of Emergency Medicine. She also undertook a postgraduate in Cardiology from the same University and had previously worked for over a year as a Physician and Nutritionist Dietitian for the Fitness club Green Zone. She eventually left her chaotic but fulfilling job in the ER to pursue her passion of writing, travelling and mountain climbing which has included writing a first aid course for the alpine club of Belgrade. Irina currently works as a VA for PintMedia focusing on medical and travel writing. Feel free to connect with Irina on LinkedIn and FaceBook. Her CV can be seen here.