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St. Francis Bladderwrack Tincture, Atlantic Seaweed Traditionally Used as a Natural Source of Iodine, 50ml
St. Francis Bladderwrack Tincture, Atlantic Seaweed Traditionally Used as a Natural Source of Iodine, 50ml
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St. Francis Bladderwrack Tincture is a single-herb liquid extract of bladderwrack (Fucus vesiculosus, thallus) at 250 mg QCE per millilitre.
St. Francis Bladderwrack Tincture, Atlantic Seaweed Traditionally Used as a Natural Source of Iodine, 50ml
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St. Francis Bladderwrack Tincture Details
Bladderwrack is a brown seaweed found along the Atlantic coast, named for the air bladders that keep its fronds afloat. It was the original source of iodine, isolated from it in 1811, and it remains the herb most associated with thyroid support for that reason.
That iodine content is the whole reason to take it and the whole reason to be careful with it. Iodine is essential for thyroid hormone production, and deficiency is a genuine cause of thyroid dysfunction — but excess iodine can also disrupt the thyroid, and seaweed iodine content varies considerably with where and when it was harvested.
Made from bladderwrack (Fucus vesiculosus, thallus) at 250 mg Quantity Crude Equivalent per millilitre, in a base of distilled water and certified organic alcohol. 50 ml with a dropper.
St. Francis Herb Farm has been making liquid herbal extracts in Ontario since 1988. Their tinctures use certified organic alcohol and distilled water, and are made to a stated extraction ratio so you know the strength of what you are taking.
Who St. Francis Bladderwrack Tincture Is For
This suits people interested in a traditional whole-plant source of iodine rather than a supplement, and anyone building a mineral-rich seaweed into their routine.
**Do not use if you have a thyroid condition or are taking thyroid medication without speaking to a practitioner first.** That is the central caution with this herb, not a formality — iodine affects thyroid function in both directions. Not for use in pregnancy or while breastfeeding without practitioner advice.
St. Francis Bladderwrack Tincture Features and Benefits
- Single-Herb Tincture — Bladderwrack (Fucus vesiculosus) alone, with no blend to dilute it.
- Stated Extraction Ratio — 250 mg Quantity Crude Equivalent per millilitre, so you know the strength.
- Certified Organic Alcohol — The extraction base is organic, not industrial ethanol.
- Liquid Absorbs Faster Than Capsules — Tinctures do not need to disintegrate before absorption can begin.
- Dropper Dosing — Adjustable to the drop, which capsules cannot match.
- Made in Ontario Since 1988 — St. Francis Herb Farm has been making liquid extracts in Canada for over thirty years.
- 50ml Bottle — A practical size for a single-herb tincture taken three times daily.
Frequently Asked Questions
Product Information
➕ What is St. Francis Bladderwrack Tincture?
➕ How much do I take?
➕ Why a tincture rather than capsules?
➕ Does it contain alcohol?
Benefits of Ingredients
➕ What is bladderwrack?
➕ Why is it linked to the thyroid?
➕ Why the thyroid warning?
➕ What does Quantity Crude Equivalent mean?
Usage and Storage
➕ How do I take it?
➕ Are there any cautions?
➕ How should I store it?
Bladderwrack is a brown seaweed found along the Atlantic coast, named for the air bladders that keep its fronds afloat. It was the original source of iodine, isolated from it in 1811, and it remains the herb most associated with thyroid support for that reason.
Additional Ingredients
Warnings