American Standard Organic Sea Moss, Bladderwrack & Burdock Root Capsules Review

A fully disclosed trio: 1,200mg sea moss + 1,200mg bladderwrack + 225mg burdock root per serving (2,625mg total), all itemized rather than buried in a proprietary blend. That transparency is the whole reason this is our top trio pick — most trio products won't tell you the per-botanical amounts. The flip side is built into those numbers: 1,200mg of bladderwrack is a meaningful, additional iodine source on top of the sea moss.

Because bladderwrack is itself an iodine-rich seaweed, and at 1,200mg it adds a meaningful, variable iodine load on top of the sea moss's own. Iodine's relationship with the thyroid is U-shaped — too much disrupts it as much as too little — so a trio like this is precisely the kind of product anyone with a thyroid condition, on thyroid medication, or pregnant should run past a clinician first. Ironically, the disclosure is what lets you see the iodine consideration clearly; an undisclosed blend would hide it.

The listing references Maine, USA hand-harvested Irish moss and certified-organic ingredients, and states the product is made in the USA, vegan, gluten-free and Non-GMO. That's a clearer sourcing story than most trios offer. The testing for purity and potency is described as in-house rather than a named independent third-party certifier seal, so we record it as a brand-stated quality program — strong for the category, not an external certification.

It's pricier per serving than the bulk options: roughly $0.50 a serving across a 40-serving bottle, versus about $0.28 for Nutricost (#2) or the high-volume NatureBell trio (#8, 240 capsules). You're paying for transparency and certified-organic, US hand-harvested sourcing rather than raw cost efficiency, and the 40-serving bottle is a shorter supply. If lowest cost-per-serving is your priority, the bulk trios win; if disclosed dosing matters more, this is worth the premium.

The buyer who specifically wants the full sea moss + bladderwrack + burdock stack but refuses to accept a proprietary blend — this is the trio that itemizes every milligram. Choose differently if you want the cheapest trio entry (Nutricost, #2), the lowest bulk cost per serving (NatureBell, #8), or if the bladderwrack iodine load worries you, in which case a single-herb capsule like Double Wood (#1) keeps it simpler.

1. [1] Smyth 2021 PMID 33981614 — Iodine, Seaweed, and the Thyroid. A review of seaweed's rising dietary profile and its thyroid implications: seaweeds can be both a useful iodine source and a source of excessive, highly variable iodine, and people with underlying thyroid disease are most susceptible. The core safety reason a 1,200mg-bladderwrack trio warrants clinician input.
2. [2] Katagiri 2017 PMID 28282437 — Effect of excess iodine intake on thyroid diseases in different populations: A systematic review and meta-analyses including observational studies. Pooling 50 studies, excess iodine was associated with markedly higher odds of overt and subclinical hypothyroidism versus adequate intake (odds ratios ~2.78 and ~2.03 in adults). Direct evidence that the iodine a bladderwrack-rich trio adds is a real thyroid risk, not a theoretical one.
3. [3] Park 2024 PMID 38248672 — An Update on the Chemical Constituents and Biological Properties of Selected Species of an Underpinned Genus of Red Algae: Chondrus. A review cataloguing Chondrus (Irish sea moss) constituents and a range of biological activities reported largely in vitro and in animal models. Establishes that the sea moss in the trio contains genuinely bioactive compounds — while being explicit that this is bench and compositional science, not human efficacy proof.