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Bladderwrack (Fucus vesiculosus)
Dive into nature's iodine-rich seaweed for natural balance and metabolic well-being.

Discover Bladderwrack (Fucus vesiculosus), a wild-harvested brown seaweed from pristine UK coastal waters, celebrated for its natural iodine, minerals, and polysaccharides. This tincture supports natural balance, thyroid health, and overall well-being, drawing on the sea’s nutrient-rich bounty. Embrace its gentle support for vitality and equilibrium in your daily routine.

Botanical Name: Fucus vesiculosus
Common Names: Bladderwrack, Black Tang, Cutweed, Sea Wrack
Plant Part: Whole plant
Tincture Ratio: 1:3
Alcohol Volume: 35%

Price range: £15.95 through £26.95

Adults: Shake bottle well before use. Take 20-40 drops in a little water, juice or tea, 1-3 times daily or as recommended by a qualified practitioner. If sensitive start on low dose and slowly build up. Best taken between meals.

Incorporate into your daily routine to gain best results. The benefits of herbs are most effective when used consistently over time.

Fucus vesiculosus extracted in ethanol (alcohol) and water. Plant part used is the whole plant. Strength is 1:3 35% – 1 part plant to 3 part liquid.

Fucus vesiculosus is rich in iodine, essential for thyroid hormone production (T3 and T4), with studies showing its role in supporting metabolic rate and energy levels (Journal of Ethnopharmacology). Its fucoidan content exhibits antioxidant properties, while alginates are known to bind heavy metals (Marine Drugs). It supports natural thyroid balance, though more research is ongoing.

What customers are saying

Sarah M

I ordered the parasite formula (herbal tincture) from Clinic Naturae as part of a health reset programme. The instructions were straightforward, and the taste was manageable for a tincture. I combined it with dietary changes. I felt some gastrointestinal improvement and better overall well-being after four weeks. I’m not claiming miracles, but I appreciate the natural medicine approach and will continue using it as part of my maintenance routine.

Raj K

With longstanding joint ache (knees and hips) I tried the dried herbs & teas from Clinic Naturae aimed at muscles & joints. I’ve steeped the tea daily for a month. It hasn’t eliminated the discomfort entirely, but I’m noticing that the stiffness in the mornings is less severe and shorter in duration. Good value for what it offers, and the staff answered my questions before I bought.

Louise T

I suffer from restless nights and often wake feeling unrefreshed; a friend recommended Clinic Naturae’s herbal oil blend for nervous system support. I’ve been using it consistently for three weeks now. Although I still wake once or twice, I fall asleep faster, and my morning brain fog has eased. I appreciate the transparent ingredient list and that it’s a simple, plant-based solution.

Michael S

After spraining my ankle, I applied the Comfrey Cream from Clinic Naturae twice a day as directed, and I’m genuinely impressed. The cream has a nice texture (not greasy), the scent is mild and natural, and I found the swelling reduced much quicker than I expected. It didn’t replace physiotherapy, but it complemented my rehab nicely. A trustworthy natural product.

Emma P

I’ve been using the liver formula tincture from Clinic Naturae for about eight weeks now – I selected it because I was experiencing sluggish digestion and fatigue after work. The herbal blend is gentle but effective: I noticed my energy levels pick up, and I’ve had fewer digestive aches. The delivery was quick, and the bottle comes with clear dosage instructions. My skin even looks a bit brighter. Will definitely reorder.

Bladderwrack Tincture: Ocean-Powered Wellness from the Depths

Sourced from the Atlantic shores, our Bladderwrack tincture harnesses the ancient power of this nutrient-dense brown seaweed. Traditionally revered in herbalism for its high iodine content, Bladderwrack supports thyroid function, supports metabolism, and supports natural detoxification. Packed with minerals, antioxidants, and fucoidans, it promotes radiant skin, joint comfort, and overall vitality. Perfect for those seeking a natural ally in weight management and hormonal balance, this premium extract delivers the sea's bounty in every drop.

Quality Certified

Slowcrafted in small batches

Laboratory Test for Purity & Potency

Sustainably Sourced

Frequently asked questions

Is this the right herb for me?

How long until I notice results?

Does Bladderwrack contain iodine?

How should I store this tincture?

Folklore, Tradition & Etymology

Bladderwrack, known anciently as Fucus vesiculosus from the Latin fucus for 'rock lichen' or 'seaweed' and vesiculosus for its distinctive air-filled bladders - has whispered secrets of the sea to coastal folk for millennia. In UK's rugged Atlantic shores, where it clings to rocks amid crashing waves, Bladderwrack was revered by Celtic healers and fishermen as 'Sea Wrack' or 'Black Tang'. Folklore tells of it warding off evil spirits when burned as incense, its smoky tendrils carrying prayers to the ocean gods. Traditionally harvested by hand at low tide, it was a staple in coastal apothecaries, brewed into potions for well-being and vitality, long before iodine's discovery in 1811. Cutweed, another moniker, nods to its serrated fronds, cut by the sea's relentless rhythm, embodying nature's resilient vitality.

A Heritage of Well-being

From the wild, pristine UK coastal waters, our Bladderwrack tincture carries forward centuries of maritime herbal wisdom. Generations of herbalists have turned to this iodine-rich brown seaweed for supporting natural balance and equilibrium traditions rooted in empirical coastal lore and echoed in modern studies (Journal of Ethnopharmacology). Sustainably wild-harvested thallus, our expertly crafted tincture, delivers the ocean's mineral bounty: fucoidans, alginates, and vital trace elements for overall comfort and well-being. A heritage ally for natural balance, Bladderwrack bridges ancient sea-gathered remedies with today's quest for natural vitality.

Free Delivery Over £50

Enjoy complimentary UK shipping when you spend £50 or more.

Natural Ingredients

Made with pure, plant-based oils and herbs for effective, gentle care.

Made in the UK

Carefully blended in small batches to ensure freshness and quality.

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Not all herbs are suitable for children, if pregnant or breastfeeding, taking prescribed medication or living with a medical condition, please consult us or a qualified herbalist or healthcare professional before use. Avoid if you have known allergies to any of the ingredients. 

Our products are designed to support health and wellbeing and are not a substitute for medical treatment.

Clinic Naturae. Supporting you on your journey to health.

Clinic Naturae, 4 Black Swan Court, 69 Westgate Road, Newcastle upon Tyne, NE1 1SG
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