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Sea moss had a moment a few years ago, and like most things that have moments, it came with a problem. The moment was real: people started taking this remarkable seaweed seriously again. It is rich in minerals and has been woven into traditional respiratory and immune support across coastal cultures for centuries. The problem was that supply could not keep up with demand.
So the market found shortcuts. Much of the sea moss on shelves today, labeled as such or not, is grown in pools, fed saltwater spray, harvested in weeks instead of months and shipped in volumes that would be hard to reach if it were growing on rocks the way nature designed it to. It is still sea moss, in a sense. It just is not the sea moss that made sea moss famous.
Two very different plants, in plain language
Wildcrafted sea moss grows anchored to rocks along coastal reefs, in places like St. Lucia, Jamaica and Ireland. It spends months in the ocean drawing trace minerals from the surrounding seabed, including magnesium, iodine, calcium and potassium. The species we use, Chondrus crispus (also called Irish moss or purple sea moss), has been used for hundreds of years. It is harvested by hand, sun-dried on the shore and sold in its raw form by the people who collect it. It is labor-intensive and it varies from batch to batch, and it tastes like the ocean it came from.
Pool-grown sea moss is typically suspended in ropes on open-ocean farms or, increasingly, grown in inland saltwater pools where conditions can be controlled. Growth is fast, sometimes a full harvest cycle in two to three weeks instead of two to three months. Its mineral content depends entirely on what is in that pool or in the water column at the farm. It is reliable in supply and consistent in appearance.
A lot of pool-grown sea moss is sold as "golden" sea moss, and some of it is not Chondrus crispus at all. It is often Gracilaria, a different seaweed that is grown commercially because it cultivates easily. Both are technically seaweed. Neither is the wildcrafted product that traditional use points to.
Why this is chemistry and not snobbery
The minerals and bioactive compounds in sea moss come from its interaction with a complex marine ecosystem. A wildcrafted plant draws nutrients from a living seabed across months. A pool-grown plant draws whatever is in the pool, however briefly. Even within the same species, the two can end up with very different nutritional profiles.
What we value most in sea moss is its full, naturally occurring mineral matrix, which is why we source it wild.*
When you take a sea moss supplement for respiratory wellness, which is the use case our line is built around, what you are really after is mineral and bioactive density.* Pool-grown sea moss can offer fiber and some baseline nutrition. Wildcrafted sea moss offers what tradition pointed to in the first place.
The sustainability question deserves an honest answer
The case against wildcrafting is real. Overharvesting any natural resource is destructive, and sea moss is not exempt. Coastal communities in some regions have watched wild populations decline when demand spiked, and that is worth taking seriously.
The case for responsible wildcrafting is real too. Where there are established traditions of seasonal harvest and community management, wildcrafting can be both ecologically sound and economically vital for the people doing the work. Hand-harvesting from healthy beds, leaving enough growth to regenerate and working within natural cycles is, done right, among the most sustainable ways to source a wild ingredient.
Pool-growing reduces pressure on wild beds, which is valuable. But it does not replicate the nutritional density we are looking for. So the answer is not to pretend the two are the same. It is to source wildcrafted sea moss responsibly, from suppliers who take part in sustainable harvest practices and who pay fair prices to the coastal communities doing the work.
What we did for PulmoMoss
PulmoMoss is built on wildcrafted purple sea moss, Chondrus crispus, from suppliers who hand-harvest seasonally and pay fairly for the work. We accept smaller batch sizes than we would like, and we work with the variability that comes with a living, wild ingredient. We do it because the supplement in front of you should match what tradition pointed to. Like all our products, it is made in the USA with international ingredients in a GMP facility and third-party tested for purity, potency and heavy metals.
If you have taken sea moss for a while and never thought to ask which kind, that is not your failure. Brands rarely say something false. They just do not specify, and we would rather specify.
PulmoMoss is wildcrafted, Chondrus crispus, hand-harvested and sustainably sourced, and it is part of the Everwild Land & Sea Respiratory System alongside ThymoCore. Welcome to your terrain. (Corey, Founder)
Formulas containing Wild Purple Sea Moss and bladderwrack provide naturally occurring iodine and are not recommended for those diagnosed with hyperthyroidism.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
