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Swanson Superior Herbs

Bladderwrack Leaves

Bladderwrack Leaves

Item: SWH174

  • Common brown seaweed that supplies natural iodine for thyroid nourishment



  • Guaranteed pure--no heavy metals



  • Standardized to contain 0.2% proteic iodine


60 Caps
Caps Size: 1

$3.99
Limit: 3
Retail $7.49
Save 47%
Unavailable From Manufacturer  —  Email Me When Available
  • Common brown seaweed that supplies natural iodine for thyroid nourishment



  • Guaranteed pure--no heavy metals



  • Standardized to contain 0.2% proteic iodine


Awaken your thyroid with iodine-rich marine bladderwrack. Iodine stimulates the thyroid gland, which is responsible for producing hormones that regulate metabolic functions. But the thyroid is not alone in its need for iodine--every organ needs a daily dose to operate at peak capacity. Our Bladderwrack Leaves deliver a guaranteed 150 mcg of iodine in each capsule.

Terms and Ingredient Definitions

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Iodine (from bladderwrack) 150 mcg 100%
Bladderwrack Leaf Extract(standardized to 0.2% iodine) 75 mg *

*Daily Value not established.

Other ingredients: Microcrystalline cellulose (plant fiber), gelatin, calcium palmitate, silica.

Suggested Use: As a dietary supplement, take one capsule per day with water.

WARNING: Consult your healthcare provider before use if you are pregnant or nursing, taking prescription medication or if you have a medical condition. Do not exceed recommended dosage.

Relative Size

Printable Pill Size Guide

Shipping Weight

.09 lbs

Swanson Superior Herbs Bladderwrack Leaves Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 4.4 out of 5 by 25 reviewers.
Rated 5 out of 5 by bladderwrack leaves Excellent value for this healthy product. I have used focus v. known in USA as bladderwrack for over 40 years starting when i lived in Italy…It is awesome combined with Dandelion. Swanson, as always has the best price and great quality. March 24, 2016
Rated 4 out of 5 by This sea plant contains iodine. I combine it with other supplements for overall health. I research all interactions with other herbs and supplements for responsible health. February 7, 2016
Rated 5 out of 5 by Good Value Amazing source of Iodine! Really had no problems with an upset stomach or anything like that, would use again. January 8, 2016
Rated 3 out of 5 by Great to find Good value and the 2 for 1 makes sharing easy. Pretty sure there are other uses for this herb other than thyroid. Not my goal, but as a gift that's a good claim. Seems to be a tricky condition to satisfy so complaints will be high in the reviews here. Not sure i will but again soon but is like a needle in the haystack on this site, so was a good fit to purchase. March 13, 2015
Rated 2 out of 5 by did not work for me I tried this for a specific health issue and saw no change. February 7, 2015
Rated 5 out of 5 by Swanson's Bladderwrack GREAT source of Iodine! If you don't want to take Iodine in the form of Potassium Iodine pills, then try this. No upset stomach or bad taste. I will continue to take this since I don't take a multi that has a daily supply of Iodine. Thanks Swanson! November 5, 2014
Rated 5 out of 5 by A natural source of iodine. Iodine has been a nutrient that I have never fully appreciated or understood. It is however, apparently a vital component to my body's function. I wish I could tell you specifically what iodine does, but due to governmental regulations I am not permitted to state them on this site as it would be considered a medical or disease claim. :( I will say however, at the time I am currently typing this review, there is apparently a very steep discount for this product at a nice %73 off msrp, with a buy-one-get-one free as well! Also, the pills come in a light-protective brown plastic bottle. :) October 25, 2014
Rated 3 out of 5 by I have not have any negative effects since using this product January 7, 2014
Rated 5 out of 5 by nobody knows it by this name great product, but swanson should point out that this is just another name for kelp, a super-food, which is packed with all sorts of vitamins, minerals and anti-oxidants such as chlorophyll. most people have never heard of bladderwrack and that's probably why this product ended up on your BOGO list. just a thought! December 14, 2013
Rated 5 out of 5 by Love it! This stuff is great. Me and my husband have both noticed a difference since we've started taking this. December 2, 2013
Rated 1 out of 5 by My metabolism needs a kick start so I've been taking this product for at least 6 weeks now and absolutely nothing, nada, zilch. I'm glad it works for everyone else in the world, but not for me. My body tends not to respond to natural substances, though. November 19, 2013
Rated 5 out of 5 by Try it! Has helped freinds already. It works. November 14, 2013
Rated 4 out of 5 by still evaluating This is my first bottle of bladderwrack, and it seems to be doing well so far. I'll keep observing myself and let everyone know how it goes over the next couple of months... November 11, 2013
Rated 5 out of 5 by Really works This product does what it claims. Swanson have the best price that I can find for bladderwrack. September 19, 2013
Rated 4 out of 5 by good product, good price Does what it is supposed to do August 21, 2013
Rated 5 out of 5 by Thyroid Kick I wouldn't say it gives the thyroid a boost, I'd say it gives is a strong kick start. I've been taking one a day in the morning for a couple weeks now and adding kelp to supplement that. My body daytime temperature has returned to normal, and even sometimes above, but I'm not yet worried about the latter, just enjoying the benefits of a working thyroid. Have concerns about mercury which I can't know hence no quality rating. Also concerns about the complex business of boosting thyroid function. Hope this is sustainable and that I'll be able to do without Bladderwrack, but for now it's been a great discovery. June 5, 2013
Rated 4 out of 5 by Thyroid Boost I was always tired and gaining weight before I tried Swanson's Bladderwrack. I know it is important to find a product that has been tested for ocean pollutants and metals. Swanson's not only gave me a great product, but at the best price I have ever found. Thanks, Swanson! May 7, 2013
Rated 5 out of 5 by When I eat I get fuller faster. February 15, 2013
Rated 5 out of 5 by Overall Satisfied Feeling Since I started these over a month ago I notice that I have a more satisfied full feeling when I eat. I find that I'm in a better mood too. March 30, 2012
Rated 5 out of 5 by Take if you're blood type O This is another recommended supplement for those who are blood type O. I tend to get sluggish. Taking one of these helps. I also take the Swanson Thyroid Essentials along with this or sometimes substitute one for the other on alternating days. February 1, 2010
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