Bladderwrack. Ancient Alga for Optimal Health. Fight Infection and Aging

Updated: 12/14/23

Have you ever heard of bladderwrack? No, it’s not a typo or some exotic creature from the deep sea. It’s actually an ancient alga that has been used for centuries for its incredible health benefits. So, grab a cup of tea and get ready to dive into the world of bladderwrack, because this unassuming seaweed has the power to fight infection and aging, giving you optimal health like never before. Whether you’re looking to boost your immune system, improve your gut health, or slow down the aging process, bladderwrack might just be the natural solution you’ve been searching for. So, let’s explore how this little-known algae can transform your well-being and make you feel like a million bucks. Trust me, you won’t want to miss out on this miraculous gift from the sea!

What is Bladderwrack Extract?

Bladderwrack extract is from the bladderwrack algae, also as Fucus vesiculosus, rockweed, black tang, bladder fucus, cutweed or Dyer’s fucus. It is a type of brown seaweed that grows along the coastlines of the North Atlantic and Pacific oceans. It has long been used in traditional medicine for its anti-inflammatory and anti-bacterial properties, and is a rich source of vitamins and minerals such as iodine, calcium, and magnesium. Bladderwrack extract is made by soaking the seaweed in a solvent, such as glycerin or water, to extract its active ingredients.

Bladderwrack is not the same as bladderwort, an inland aquatic plant found in lakes and streams. Recipes from Eastern countries commonly use seaweed as a culinary ingredient, especially amongst coastal populations, but it’s not as popular in Western countries.

However, the popularity of seaweed like bladderwrack has grown as our understanding of its health benefits improve.

Bladderwrack is an excellent source of iodine (a mineral necessary for proper thyroid function), and is also rich in nutrients such as vitamins A, B complex, C, D, E and K. It contains minerals like sodium, potassium, calcium, magnesium, iron, copper, zinc and manganese. Plus, it’s rich in all nine essential amino acids and boasts potent antioxidant properties (x) (x).

Bladderwrack Extract Benefits

Promotes Healthy Thyroid Function

It is particularly known for its ability to support thyroid health. As a rich source of iodine, a mineral essential for the production of thyroid hormones, bladderwrack extract can help regulate thyroid function and prevent conditions like hypothyroidism and goiter. Additionally, it contains other compounds that can enhance thyroid health, such as fucoxanthin, which has been shown to increase fat metabolism and reduce inflammation.

Boosts Immune System Function

Another major benefit of it is its ability to promote a healthy immune system. Bladderwrack contains high levels of antioxidants, such as phlorotannins and fucoidans, which can protect cells against damage from free radicals and boost immune system function. Fucoidans, in particular, shows to enhance immune response and prevent infections by inhibiting the growth of harmful bacteria.

Promotes Weight Loss

It has also been shown to support healthy weight loss. This is due to the fact that bladderwrack contains a compound called fucoidan, which shows to inhibit fat accumulation in the body. By incorporating bladderwrack extract into your weight-loss regimen, you can support a healthy metabolism, burn more calories, and achieve your weight-loss goals.

May Improve Skin and Hair Health

It can also benefit your skin and hair. Rich in vitamins and minerals, bladderwrack can help nourish and hydrate your skin, reducing the appearance of fine lines and wrinkles. Additionally, bladderwrack is a belief to have anti-inflammatory properties, making it a great choice for addressing skin conditions like eczema and psoriasis. When it comes to hair, bladderwrack extract can help stimulate hair growth, reduce hair loss, and strengthen hair strands.

Supports Digestive Health

Another benefit of it is its ability to support healthy digestion. Bladderwrack contains fucoidan, which shows to improve gut health by increasing the production of beneficial gut bacteria. This can not only improve digestion, but also help prevent digestive issues such as bloating, gas, and constipation.

May Reduce Cholesterol 

Research has shown that bladderwrack extract can also help to lower cholesterol levels. The extract contains compounds that help to reduce the absorption of cholesterol in the digestive tract, and may also have a cholesterol-lowering effect in the liver. Additionally, bladderwrack extract has been shown to improve blood lipid profiles, reducing the risk of heart disease.

Antimicrobial and Antiviral

It has long been known for its antimicrobial and antiviral properties. This means that it can help prevent infections and fight off viruses that can cause illness. In fact, some studies have shown that bladderwrack extract can be effective against the flu virus, herpes, and even HIV-1. By taking bladderwrack extract regularly, you can help keep your body healthy and ward off sickness.

May Lower Estrogen 

One surprising bladderwrack extract benefit is its ability to lower estrogen levels. This is particularly helpful for women who suffer from conditions like fibroids, endometriosis, and breast cancer. By reducing the level of estrogen in the body, it can help alleviate symptom and even prevent these conditions from occurring in the first place.

May Relieve Arthritis Symptoms

Arthritis is a painful and debilitating condition that affects millions of people worldwide. Fortunately, bladderwrack extract shows to have anti-inflammatory properties that can help to reduce joint pain and swelling. A study in the Journal of Ethnopharmacology finds that it was effective in reducing pain and inflammation in arthritic rats. This suggests that it may be a natural and effective remedy for arthritis in humans.

May Have Anti-Aging Properties

Aging is a natural process that we all go through. However, some people age more gracefully than others. It may have anti-aging properties that can help to keep your skin looking youthful and radiant. Bladderwrack contains a compound fucoidan, which shows to stimulate collagen production and improve skin elasticity. This can help to reduce the appearance of fine lines and wrinkles, and make your skin look firmer and more supple.

Supports Vision

It contains high levels of iodine, which is an essential nutrient for good eye health. Iodine helps to regulate the function of the thyroid gland, which can affect the health of the eyes. Studies have shown that people with low levels of iodine are more likely to develop eye diseases such as cataracts and macular degeneration. By taking bladderwrack extract, you can ensure that your body is getting enough iodine to support healthy eyes.

May Have Anticancer Properties

Another impressive bladderwrack extract benefit is its potential anticancer properties. Studies have shown that it contains compounds that can help prevent cancer cells from multiplying and spreading. This means that it may be helpful in preventing certain types of cancers, including breast, colon, and lung cancer. While more research is necessary in this area, the potential for bladderwrack extract as a cancer-fighting supplement is promising.

May Fight Diabetes

There is also evidence to suggest it may be helpful in managing diabetes. This is because it contains compounds that can help regulate blood sugar levels and improve insulin sensitivity. By taking bladderwrack extract regularly, you may be able to reduce your risk of developing type 2 diabetes or even help manage the condition if you already have it.

May Reduce Inflammation

It has been shown to have powerful anti-inflammatory properties. Inflammation is a natural response by the body, but when it becomes chronic, it can lead to a range of health conditions, from arthritis and heart disease to cancer. Bladderwrack extract contains compounds that can help reduce inflammation and promote overall health and wellness. In fact, research has shown that it can inhibit the production of inflammatory cytokines and lead to a reduction in inflammation markers.

Promotes Overall Wellness

By incorporating bladderwrack extract into your daily routine, you can support your overall health and wellness in a variety of ways. From boosting your immune system to supporting thyroid function and promoting healthy weight loss, bladderwrack extract is a natural ingredient that can help you look and feel your best.

Bladderwrack Infographic

Bladderwrack Side Effects

Thyroid Issues

It is known for its high iodine content, which is essential for thyroid health. However, consuming too much iodine can cause your thyroid to become overactive, which leads to hyperthyroidism. This can cause symptoms such as rapid weight loss, sweating, and anxiety. If you already have thyroid problems, it’s especially important to monitor your bladderwrack intake and consult your doctor.

May Have Digestive Issues

One of the most common side effects is digestive issues, including bloating, gas, and diarrhea. This is because it contains high levels of iodine, which can upset the stomach if consumed in excess. While iodine is essential for thyroid function, it is important not to consume too much of it, as it can have adverse effects.

Allergic Reactions

Some people may also experience allergic reactions, particularly if they have a pre-existing allergy to seafood. Symptoms of an allergic reaction may include swelling, hives, rashes, and difficulty breathing. If you experience any of these symptoms, stop using bladderwrack immediately and seek medical attention.

Potential for Hormonal Imbalances

As mentioned earlier, bladderwrack is known to support thyroid function. However, consuming too much of it can lead to hormonal imbalances, particularly in women. This is because it contains compounds called phytoestrogens, which can interfere with the body’s natural hormone production.

May Have Blood Sugar Fluctuations

It has also been found to affect blood sugar levels, particularly in people with diabetes. It can cause a sudden drop in blood sugar, leading to hypoglycemia. This is why it is important for diabetics to monitor their blood sugar levels carefully when using bladderwrack.

Cardiovascular Problems

Because bladderwrack can affect blood pressure and heart rate, people with cardiovascular problems should avoid it or consult with their doctor before using it. Bladderwrack may worsen high blood pressure and increase the risk of stroke or heart attack.

May Have Interference with Medications

Finally, bladderwrack may interact with certain medications, including blood thinners and thyroid medication. If you are taking any medication, it is important to talk to your doctor before using bladderwrack to avoid any potential interactions.


The amount of bladderwrack one should take on a daily basis varies according to age, sex, and health condition. In general, the recommended dosage for adults is between 500-1000mg per day, while children should stick to a lower dose of 300 mg per day. However, pregnant or breastfeeding women, people with thyroid problems, and those who are taking blood-thinning medications such as Warfarin should avoid taking bladderwrack completely. Also, it is essential to adhere to the recommended dosage and avoid overdosing, which can lead to iodine toxicity.

Where to Buy Bladderwrack

Get your dietary needs covered effortlessly with Bladderwrack from! As an industry-leading company, we are committed to delivering pure dietary supplements that meet the highest standards. Not only do we develop our top-notch products, but we also supply premium ingredients to leading brands in the food and supplement industry. Rest assured, all of our products are manufactured and tested with utmost care, strictly following current manufacturing practices. So, if you’re ready to explore the benefits of Bladderwrack as a dietary supplement, seize the opportunity and place your order at today!

The Bottom Line

Bladderwrack extract is a natural and powerful supplement that can provide a myriad of health benefits. Whether you’re looking to relieve arthritis pain, improve your skin’s appearance, boost your immune system, or promote weight loss, bladderwrack extract is a great choice. It’s important to note that while bladderwrack extract is generally safe and well-tolerated, it may interact with certain medications. If you’re on medication or have a pre-existing medical condition, be sure to talk to your doctor before taking bladderwrack extract. With its many health benefits and natural properties, it is definitely worth trying if you want to improve your overall health and wellness.

If you are considering taking bladderwrack, it’s vital to understand the potential side effects. Digestive issues, allergic reactions, blood sugar fluctuations, thyroid problems, and cardiovascular problems are the most common side effects that you need to be aware of. If you experience any side effects, discontinue use immediately and speak to your doctor. Remember to always take natural supplements and alternative medicines with caution and consult with your doctor before trying them out.

The statements in this article have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

Author: Ryan Quigley
Graduate of Longwood University in Virginia. Part-time sports journalist covering the Vegas Golden Knights.