Other uses include boosting the immune system and increasing energy. Bladderwrack is one of the highest iodine containing sea vegetables known. The iodine in bladderwrack is present in the form of di-iodotyrosine (DIT) which is a normal precursor of the Thryoid Hormones T4 (Thyroxine) and T3 (tri-iodothyronine). T4 is manufactured by the condensing of DIT and thyroid peroxidase enzyme in the follicular luminae of the thyroid gland.

The naturally occurring source of iodine makes Bladderwrack a great choice in the support of a healthy functioning thyroid gland when more iodine is required for optimal function. Also of interest is the high amount of fucoidin found in Bladderwrack. Fucoidans and Fucans are sulfated polysaccharides found in most brown seaweeds. These substances have been researched for modulating a healthy inflammatory response, and have shown strong properties for supporting a healthy immune system and intestinal flora. It is also recognized as a source of other naturally occurring minerals such as iron, zinc, magnesium, and potassium.

Dosages for traditional uses recommended in standard herbal reference texts are given below

• Capsules: 6 “O” capsules daily.
• Teas: half teaspoon to each cup boiling water; infuse 15 minutes. Half to 1 cup.
• Powder: Added to soups, salads; sprinkled on muesli or on a cooked meal.
• Liquid Extract: 1:1, 25 per cent ethanol, 5-10 drops, three times daily.
• Tincture: BHC Vol 1. 1:5, 25 per cent ethanol, Dose: 4-10ml.
• Infusion: Dried thallus 5–10 g, three times daily.
• Tablets: 300mg – 1 tablet, thrice daily after meals. The iodine content in fucus may cause hypo- or hyperthyroidism.

Anyone who is already consuming more than 1,000 MCG iodine per day probably will not benefit and may be harmed from bladderwrack supplementation