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Cheapest Organic Bladderwrack Powder on iHerb

Ranked by real cost per 100 mg of Organic Bladderwrack Powder — cheapest value first.

Prices updated Jul 25, 2026 · 12 products · Prices in USD

The priciest option here costs about 58.1× more per 100 mg of Organic Bladderwrack Powder than the best-value pick Oregon's Wild Harvest. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 100 mg
1
Oregon's Wild Harvest, Organic Bladderwrack, 600 mg, 90 Organic Vegan Capsules
Oregon's Wild Harvest, Organic Bladderwrack, 600 mg, 90 Organic Vegan Capsules
Oregon's Wild Harvest
600 mg9019.960.037View on iHerb →
2
Vitamatic, Irish Sea Moss, 120 Vegetable Capsules
Vitamatic, Irish Sea Moss, 120 Vegetable Capsules
Vitamatic
500 mg6014.990.050View on iHerb →
3
Nature's Craft, Irish Sea Moss, 180 Capsules
Nature's Craft, Irish Sea Moss, 180 Capsules
Nature's Craft
750 mg6024.990.056View on iHerb →
4
Nature's Craft, Irish Sea Moss, 90 Capsules
Nature's Craft, Irish Sea Moss, 90 Capsules
Nature's Craft
750 mg3015.990.071View on iHerb →
5
Healths Harmony, Advanced Sea Moss, 60 Capsules
Healths Harmony, Advanced Sea Moss, 60 Capsules
Healths Harmony
500 mg3012.970.087View on iHerb →
6
Nutri, Organic Sea Moss, 60 Organic Capsules
Nutri, Organic Sea Moss, 60 Organic Capsules
Nutri
500 mg3013.990.093View on iHerb →
7
Nature's Craft, Irish Sea Moss, 30 Capsules
Nature's Craft, Irish Sea Moss, 30 Capsules
Nature's Craft
750 mg109.990.133View on iHerb →
8
Forest Leaf, Certified Organic Sea Moss + Burdock & Bladderwrack, 90 Vegetable Capsules
Forest Leaf, Certified Organic Sea Moss + Burdock & Bladderwrack, 90 Vegetable Capsules
Forest Leaf
300 mg3019.990.222View on iHerb →
9
Codeage, Amen, Sea Moss + Vitamin C, Aloe Vera & Black Pepper, 90 Vegetable Capsules
Codeage, Amen, Sea Moss + Vitamin C, Aloe Vera & Black Pepper, 90 Vegetable Capsules
Codeage
400 mg3026.990.225View on iHerb →
10
Maju Superfoods, Wild Sea Moss, 120 Capsules
Maju Superfoods, Wild Sea Moss, 120 Capsules
Maju Superfoods
100 mg12044.990.375View on iHerb →
11
Maju Superfoods, Wild Sea Moss, 60 Capsules
Maju Superfoods, Wild Sea Moss, 60 Capsules
Maju Superfoods
100 mg6027.990.467View on iHerb →
12
Divine Health, Dr Colbert M.D. Thyroid Zone, 90 Veggie Capsules
Divine Health, Dr Colbert M.D. Thyroid Zone, 90 Veggie Capsules
Divine Health
60 mg3038.692.15View on iHerb →

How we rank Organic Bladderwrack Powder

Two supplements can list the same dose per serving yet cost very differently once you account for how many servings are in the bottle. We calculate the total nutrient in each container (dose per serving × servings per container), divide the current price by that total, and rank by the resulting cost per unit. Lower is better. Because prices are refreshed automatically, this ranking reflects today's iHerb pricing rather than a snapshot from months ago.

Cost per unit is a starting point, not the whole story — the ideal form, third-party testing, and other ingredients matter too. Always check the label and consult a healthcare professional before starting a supplement.

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Prices update automatically and may differ from iHerb at checkout. Rankings are based on cost per unit of the listed nutrient and are for informational purposes only — not medical advice. Links to iHerb are affiliate links.