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Bladderwrack is traditionally used in Herbal Medicine as an alterative tonic for the thyroid gland. Bladderwrack is beneficial in the treatment of thyroid disorders, iodine deficiency, lymphadenoid goiter, digestive ailments, constipation, and genitourinary disorders, as well as decreased resistance to disease and anxiety.

St. Francis Herb Farm's Bladderwrack tincture is certified organic.

Medicinal Ingredients (per 1 ml):

  • Bladderwrack (Fucus vesiculosus, thallus) 250 mg
  • Quantity Crude Equivalent (1:4)

Non Medicinal Ingredients:

Distilled water Certified Organic alcohol


Adults: Take 0.5-1 ml (15-30 drops) 3 times daily in a little water on an empty stomach a few hours before or after taking other medications.


Do not use: if you are pregnant or breastfeeding; if you have an overactive thyroid, partial thyroid removal, Hashimoto’s thyroiditis, or cardiac problems; if you are sensitive to iodine. Do not take with iodine supplements. Do not use if seal is broken. Keep out of reach of children. Store at room temperature.