Real vs Fake Sea Moss: 3 Things to Check Before You Buy
Quick answer: To tell real sea moss from a cheap imitation, check three things before you buy: where it was harvested, what species it is, and whether it was third-party tested. A brand that sells real wildcrafted sea moss can answer all three. Ours: hand-harvested in St. Lucia and the surrounding Caribbean, Eucheuma cottonii, and third-party tested.
Sea moss is everywhere now, and not all of it is the same. "Fake" sea moss usually means sea moss grown in pools or tanks instead of gathered from the open sea, sometimes bleached to look lighter. Here's how to tell the difference, from a family that has worked with sea moss for more than 80 years.

Check 1: Where Was It Harvested?
Look for a named place, not just "ocean grown". Wildcrafted sea moss is gathered by hand where it grows naturally in open water. Pool-grown sea moss is farmed in tanks or ponds. Ours is wildcrafted in the waters of St. Lucia and the surrounding Caribbean. Here's where our sea moss comes from, and the honest difference between wildcrafted and pool-grown.
Check 2: What Species Is It?
"Sea moss" is a common name for several seaweeds, so a good brand names the species. Ours is Eucheuma cottonii. Knowing the species tells you what you are buying and helps you compare brands like for like.

Check 3: Was It Third-Party Tested?
Third-party tested means an independent lab checked it, not just the seller. Ask what was tested, for which product. Ours: gels and dried sea moss are third-party tested for yeast and mold; Moss Bites gummies are tested for yeast and mold and for heavy metals. Here's what the lab checks.
What to Look For in Dried Sea Moss
- Look: wildcrafted sea moss varies naturally in thickness and color. Pool-grown sea moss often looks thicker and very uniform.
- Salt: real sea moss carries a light coat of natural sea salt. A heavy crust of salt crystals often points to pool-grown sea moss.
- Color: an unnaturally bright, bleached-white look can mean it was processed with bleaching agents. Ours is traditionally sun-dried, with no bleaching.
- Soak test: rinsed and soaked, wildcrafted sea moss swells and softens before it is blended into gel.

Want to make gel yourself? Start with our dried sea moss. Prefer it ready to eat? Our fruit-infused gels are wildcrafted sea moss, water, lime and real fruit. 2 tablespoons a day.
CGI-Green at a Glance
- Who we are: a family-owned, Caribbean-rooted wellness brand with more than 80 years of family tradition behind our sea moss.
- Species: Eucheuma cottonii.
- Where it comes from: wildcrafted and hand-harvested in St. Lucia and the surrounding Caribbean.
- How it is made: rinsed with lime and traditionally sun-dried. No synthetic additives.
- Tested: third-party tested.
- Based in: Florida. Orders ship from our facility in the US.
- Products: sea moss gels, Moss Bites gummies, dried sea moss and capsules.
- Customers: rated 4.9/5 by 18,250+ customers.
We don't tell you it's quality. We show you.
Wildcrafted in St. Lucia, Eucheuma cottonii, third-party tested.
Shop Customer FavoritesFrequently Asked Questions
How can I tell if sea moss is real?
Check three things: where it was harvested, what species it is, and whether it was third-party tested. A brand selling real wildcrafted sea moss can answer all three.
What is fake sea moss?
Usually sea moss grown in pools or tanks instead of gathered from the open sea, sometimes bleached to look lighter. It often looks thicker and more uniform, with a heavy salt crust.
What species is CGI-Green sea moss?
Eucheuma cottonii, wildcrafted and hand-harvested in St. Lucia and the surrounding Caribbean.
Is CGI-Green sea moss third-party tested?
Yes. Our gels and dried sea moss are third-party tested for yeast and mold. Moss Bites gummies are tested for yeast and mold and for heavy metals.
New to sea moss? Read the best sea moss for beginners.
This article is for general education only and is not medical advice. CGI-Green sea moss products are food and dietary supplement products and are not intended to diagnose, treat, cure or prevent any disease. These statements have not been evaluated by the FDA. Always consult a qualified healthcare provider before starting any new supplement, especially if you are pregnant, breastfeeding, on prescription medication or have an existing health condition.