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Swanson Superior Herbs

Olive Leaf Extract Super Strength

4.9 out of 5 77 Customer Reviews
Customer Favorite

Olive Leaf Extract Super Strength

Item: SWH139

  • Protects the cardiovascular system and promotes immune health



  • First-rate antioxidant at the cellular level



  • Standardized for 20% or 150 mg of oleuropein


750 mg 60 Caps
Caps Size: 00

$10.99
MSRP $15.99
Save 31%
I would like Free Standard Shipping on orders over $50 with Easy Refill! Plus 10% off future orders!  days. Learn more
Quantity
In Stock

Featured review

"My husband and I have spent a lot more money on other brands and were quite happy to find that we did not sacrifice quality to save money with this Swansons brand product. We were so impressed that we bought enough to give to our adult children..." ~product review by LLFeeney

See all reviews

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Olive Leaf Extract(standardized to 20% oleuropein) 750 mg *

*Daily Value not established.

Other ingredients: Gelatin, rice flour, magnesium stearate.

Suggested use: As a dietary supplement, take one capsule per day with food and water.

Relative Size

Printable Size Guide

Shipping Weight

.19 lbs

  • Protects the cardiovascular system and promotes immune health



  • First-rate antioxidant at the cellular level



  • Standardized for 20% or 150 mg of oleuropein


Looking for where to buy the best olive leaf extract? Look no further! Fortify your body's defenses with the herbal immune-boosting power of Swanson Olive Leaf Extract. Herbalists around the world are touting the protective powers of the olive leaf, and for good reason. Olive leaves feature a unique antioxidant constituent known as oleuropein, which neutralizes harmful free-radicals to bolster immune function. Our Super Strength Olive Leaf Extract is standardized to 20% oleuropein concentration to deliver an impressive 150 mg oleuropein per capsule.

Swanson Superior Herbs Olive Leaf Extract Super Strength Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Olive Leaf Extract Super Strength is rated 4.9 out of 5 by 77.
Rated 5 out of 5 by from Taking for immune system Am taking this to improve my immune system but not sure how to test it...or know whether this is working? Purchased enough until the end of the year and taking with colustrum in hopes of improving my immune system. Hope to get some extra blood work done end of the year to see if immune system has improved since last year.
Date published: 2016-10-25
Rated 4 out of 5 by from Great value Used other brand, this brand seems to work as well as other higher priced brands,
Date published: 2016-07-14
Rated 5 out of 5 by from Incredible Product This product is absolutely amazing. I have already recommended it to many of my friends.
Date published: 2016-05-09
Rated 5 out of 5 by from Great Olive Leaf Product This is a product that is difficult to find. Thank you for having it.
Date published: 2016-03-22
Rated 5 out of 5 by from Awesome I love this stuff! I buy some every month! I haven't gotten sick in over a year of taking this! The only thing I wish is that you could get more than 60 per bottle. But it won't stop me from buying it :)
Date published: 2016-02-19
Rated 5 out of 5 by from Olive Leaf Extract Super Strength I hit it lucky with this super strength supplement. It works exactly like I've read olive leaf extract is supposed to work.
Date published: 2015-10-19
Rated 5 out of 5 by from Very effective!!! I highly recommend that Swanson customers do some research on all the health benefits of Olive Leaf Extract and add this to your supplement regimen.
Date published: 2015-07-28
Rated 5 out of 5 by from Great product I have bought olive leaf extract from big mart and other places but find this one seems to work better than the rest.
Date published: 2015-02-18
Rated 5 out of 5 by from really great product I use this product for my dogs! I sprinkle alittle on their food and I know they are protected! I think it increases quality of life!
Date published: 2015-01-27
Rated 5 out of 5 by from Love it! As a healthy living advocate, I love helping people get healthier and fitter! Swanson Olive Leaf Extract capsules are excellent. Read up and learn about all the benefits to this herb...it's one of my favorites!! We always have this in our 'health cabinet'!
Date published: 2014-10-23
Rated 5 out of 5 by from Unique Product This supplement is unique, but a good one to try for cardiac health. Priced right too.
Date published: 2014-05-22
Rated 5 out of 5 by from Five Foundational Supplements There are five foundational supplements that serve as the base for all others, and Olive Leaf Extract is one of the five.
Date published: 2014-04-17
Rated 5 out of 5 by from Very potent First time I tried one I felt nauseous, it has a strong taste if dissolved in water like I do, the second time I was fine. Overall I can tell that this product is real leaf extract and not a buy product. Only wish they used something else then rice bran.
Date published: 2013-12-07
Rated 5 out of 5 by from Olive Leaf Extract Super Strength Only been taking this for 26 days and have a lot more energy and I am more alert then before. If you read about the effects of Olive leaf you will find it does a lot to help your Immune system among other things.
Date published: 2013-11-18
Rated 5 out of 5 by from olive leaf extract For the past 3 months we have been using this product. 2 a day. It is good to build the immune system..also for digestive system. Feel great !!
Date published: 2013-10-31
Rated 5 out of 5 by from Olive Leaf Extract Very Satisfied. very high quality product
Date published: 2013-09-12
Rated 5 out of 5 by from VERY EFFECTIVE I use Swanson's Olive Leaf Extract for sever years. It is a wonderful antioxidant also, it detoxify certain organs such as the liver, which I use it for. It's kind of like getting two products for the price of one. Speaking of price, nobody prices are better than Swanson's. Bottom line here is... I'm very satisfaction with this product.
Date published: 2013-09-01
Rated 5 out of 5 by from Nice Alternative to Seagate I like the price. Quality seems to be comparable. Plus, unlike Seagate, Swanson stands behind its products.
Date published: 2013-08-31
Rated 2 out of 5 by from Caused intense stomach pain I bought this product on the recommendation of my ND. After 2 doses my stomach hurt and I had acid reflux. I stopped taking it but gave it another try a few days later. Same reaction, but worse. I had to return.
Date published: 2013-07-28
Rated 5 out of 5 by from Great value AND effectiveness. Works very well, and much more economical than name brands. Love it!
Date published: 2013-07-20
Rated 5 out of 5 by from Super food that helps with everything! This stuff is amazing. Please do your own research on it online, you will see all the benefits of it. There is a good reason why the Olive Tree is call "The Tree of life" in the Bible. People have used it's amazing benefits for 1000s of years. Regardless if you are super healthy or not, this Supplement will help you have better overall health.
Date published: 2013-07-03
Rated 5 out of 5 by from Immune booster This Olive Leaf Extract is a great immune booster you will find anywhere.
Date published: 2013-05-29
Rated 5 out of 5 by from good product Found this to be a great immune system booster.
Date published: 2013-03-20
Rated 5 out of 5 by from More Bang for your Buck My husband and I have spent a lot more money on other brands and were quite happy to find that we did not sacrifice quality to save money with this Swansons brand product. We were so impressed that we bought enough to give to our adult children and have just ordered more to add to our shelf.
Date published: 2013-03-02
Rated 5 out of 5 by from need more capsules in bottle I wish swanson's would sell olive leaf extract with more capsules in the bottle. Something like double or triple the amount. I take more than the recommended amount.
Date published: 2013-03-01
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Why Shop Swanson®?

We know how important your health is to you and your loved ones. That’s why we’re focused on delivering only high quality products you can trust at the best value.

Our lab evaluates every product to make sure it’s compliant with strict standards and government regulations, and we fully believe in and stand behind our products. If you’re dissatisfied for any reason, we’ll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

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750 mg 60 Caps
Caps Size: 00

Looks like this is the only size we have. Click here to request a new size.
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*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
For our website and catalog, the MSRP is the "Manufacturer's Suggested Retail Price." The MSRP is understood to mean the price at which a manufacturer will recommend a retailer sell a product for in stores, on the internet, or in catalogs. The MSRP of National brand items are dictated to Swanson by each manufacturer. For Swanson brand items, the MSRP is calculated based on a varying percentage above the product's base price.
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