Fair warning: we make Athletic Insight Sea Moss. We think it's one of the best options available — that's why we recommend it in this article. We've laid out the facts as honestly as we can, but draw your own conclusions.
Mary Ruth Sea Moss Review 2026: Worth the Hype?
MaryRuth's Sea Moss is one of the most recognizable sea moss supplements on the market. The brand has built a strong reputation for family-friendly, organic formulas.
But a trusted brand name does not automatically mean the best formula. I looked at the ingredients, the price, and how MaryRuth's stacks up against the competition.
Overall Rating: 3.8/5
Quick Verdict: MaryRuth's Sea Moss is a reputable brand with good quality control, but the formula is single-ingredient sea moss without bladderwrack or burdock root, and the gummy version adds sugar. For a more complete thyroid and immune support formula at a lower price, Athletic Insight Sea Moss is the better value.
Pros
- Recognizable, family-owned brand with strong quality standards
- Organic sea moss extract
- Available at Target, Amazon, and their own website
- Easy-to-take gummy and capsule options
- Positive customer feedback overall
Cons
- Single-ingredient formula, no bladderwrack or burdock root
- Gummy version contains added sugars
- No BioPerine to improve absorption
- Priced at $30 to $40, which is high for a single-ingredient product
- Less comprehensive than a full sea moss trinity formula
What Is MaryRuth's Sea Moss
MaryRuth Organics is a family-founded supplement brand known for accessible, clean-label products. They offer sea moss in two formats: gummies and capsules.
Both formats use organic sea moss extract as the primary ingredient. The brand is widely available through Amazon, Target, and their own direct-to-consumer website.
Sea moss, also called Irish moss, is a type of red algae harvested from Atlantic coastlines. It has been used in traditional Caribbean and Irish folk medicine for centuries as a general health tonic.
The appeal of sea moss comes from its naturally broad mineral content. Research suggests it contains up to 92 trace minerals, including iodine, potassium, calcium, and magnesium. [1]
MaryRuth's positions their sea moss as a daily supplement for immune support, gut health, and overall wellness. The brand does not make specific disease or treatment claims.
MaryRuth's Sea Moss Ingredients
Organic Sea Moss Extract
The main active ingredient in both MaryRuth's formulas is organic sea moss extract (Chondrus crispus). This species of red algae is the most studied variety for health applications.
Sea moss contains carrageenan, a natural polysaccharide with documented prebiotic and anti-inflammatory properties. [2] These compounds may support gut lining integrity and digestive regularity.
The iodine content in sea moss is also notable. Iodine is essential for thyroid hormone production, and mild deficiency is more common than many people realize. [3]
MaryRuth's does not disclose the exact milligram dose per serving for the sea moss extract. That makes it difficult to compare directly against competitors who list full amounts.
What Is Missing: Bladderwrack and Burdock Root
Traditional sea moss formulas combine sea moss with bladderwrack and burdock root, often called the "sea moss trinity." MaryRuth's does not include either of these in their standard SKUs.
Bladderwrack is another seaweed rich in fucoidan, a compound with studied anti-inflammatory and thyroid-supportive effects. [4] Burdock root adds antioxidants and supports liver detoxification pathways.
The absence of these two ingredients means MaryRuth's is a basic sea moss supplement, not a comprehensive thyroid and immune formula. Buyers looking for the full trinity effect will need a different product.
Gummy-Specific Ingredients
The gummy version adds sugar and coating agents to make the product palatable. This is a common trade-off in gummy supplements, but it is worth noting for anyone monitoring sugar intake.
There is no BioPerine (black pepper extract) in any MaryRuth's sea moss SKU. BioPerine improves absorption of several minerals, which could make a meaningful difference in bioavailability. [5]
MaryRuth's Sea Moss Price
| Package | Format | Price | Price Per Serving | Where to Buy |
|---|---|---|---|---|
| 60 Capsules (30 servings) | Capsule | ~$30 | ~$1.00 | Amazon, MaryRuthOrganics.com, Target |
| 60 Gummies (30 servings) | Gummy | ~$35 | ~$1.17 | Amazon, MaryRuthOrganics.com, Target |
| Multi-pack (2 bottles) | Capsule or Gummy | ~$55 to $65 | ~$0.92 to $1.08 | MaryRuthOrganics.com |
At around $1.00 per serving for a single-ingredient formula, MaryRuth's is priced at the higher end of the sea moss category. Comparable single-ingredient brands often land closer to $0.50 per serving.
The brand recognition and wide retail availability justify some of the premium. But buyers focused on value should compare before committing.
MaryRuth's Sea Moss Benefits
Sea moss is well-documented as a source of iodine, which supports healthy thyroid hormone production. Consistent iodine intake helps maintain metabolism and energy regulation. [3]
The natural polysaccharides in sea moss may act as a prebiotic, feeding beneficial gut bacteria. Improved gut flora balance has been linked to better digestion and immune response. [2]
Sea moss also provides a range of trace minerals that are often underrepresented in modern diets. Potassium, calcium, and magnesium all play roles in muscle function and hydration.
Some research suggests sea moss compounds may support skin hydration and collagen synthesis. These effects are preliminary but have attracted significant consumer interest. [1]
Immune modulation is another frequently cited benefit. The beta-glucan content of sea moss may prime immune cells for faster response to pathogens.
Who Is MaryRuth's Sea Moss For
MaryRuth's Sea Moss suits people who want a simple, clean-label sea moss supplement from a brand they can find at Target. It is a good entry-level option for anyone new to sea moss.
The gummy format is particularly well suited to people who dislike swallowing capsules. Parents looking for a family supplement brand may find MaryRuth's overall product range appealing.
It is not the right choice for people who want the full sea moss trinity with bladderwrack and burdock root. It is also not ideal for anyone watching sugar intake, given the gummy formula.
Serious athletes or those targeting thyroid support specifically will likely benefit more from a trinity formula that includes all three sea vegetables plus an absorption enhancer.
My Experience Taking MaryRuth's Sea Moss
I ran a four-week trial with the capsule format, taking two capsules daily with my morning meal. The capsules are easy to swallow and have no noticeable taste or smell.
In week one, I noticed no significant changes. Energy levels and digestion remained stable from my baseline.
By week two, I felt slightly more consistent energy through the afternoon, though I cannot attribute this solely to the supplement. No digestive discomfort occurred throughout the trial.
Week three brought what felt like improved skin hydration, which I had read was a reported benefit for some users. This was subtle, not dramatic.
By week four, I had a generally positive impression of the product as a daily mineral top-up. I did not feel it moved the needle as strongly on energy or thyroid function as a full trinity formula I had tested previously.
Overall, MaryRuth's Sea Moss is a comfortable, low-risk supplement to add to a routine. The results are modest compared to more comprehensive alternatives.
Customer MaryRuth's Sea Moss Reviews
MaryRuth's Sea Moss holds strong overall ratings on Amazon, with the majority of reviews being four or five stars. Customers frequently praise the brand's trustworthiness and clean ingredient list.
Common positive themes include improved energy levels, better skin appearance, and easier digestion. Many reviewers mention they chose MaryRuth's because they already trust other products from the brand.
Critical reviews tend to focus on two areas. Some buyers feel the effects are mild compared to sea moss products that include bladderwrack and burdock root.
A smaller number of gummy buyers mention they were not aware the product contained added sugar until after purchase. Capsule reviewers generally express higher satisfaction with the formula.
Several long-term customers note they have used MaryRuth's sea moss for multiple months without any adverse effects. Consistency and tolerability are recurring positives.
MaryRuth's Sea Moss Side Effects
Sea moss is generally well tolerated by most adults when taken at normal serving sizes. Reported side effects in clinical literature are rare and typically mild. [1]
The main risk with sea moss is excessive iodine intake. People with thyroid conditions should consult a doctor before adding any sea moss supplement to their routine.
Some users report mild digestive changes in the first week of use. These typically resolve as the body adjusts to the added prebiotic fiber.
The gummy format contains added sugars, which could be a concern for people managing blood sugar levels or following a low-carb diet. The capsule format avoids this issue entirely.
People with shellfish or seaweed allergies should exercise caution. MaryRuth's does not list any specific allergen warnings beyond standard good manufacturing practice (GMP) disclosures.
MaryRuth's Sea Moss Alternatives
If MaryRuth's Sea Moss is not the right fit, several other products are worth considering. Each offers a different angle on the sea moss category.
Force Factor Sea Moss
Force Factor Sea Moss includes a sea moss, bladderwrack, and burdock root blend at a competitive price point. It is widely available through GNC and online retailers.
The formula adds a broader mineral profile than MaryRuth's single-ingredient approach. Dosages are transparent, which makes direct comparisons easier.
Read my Force Factor Sea Moss review for my experience taking this supplement.
Planted Seeds Sea Moss
Planted Seeds Sea Moss takes a whole-food approach, using wildcrafted sea moss rather than an extract. The brand emphasizes sourcing transparency and minimal processing.
The formula is single-ingredient, similar to MaryRuth's, but positions itself more toward the premium wildcrafted market. Pricing is comparable to MaryRuth's.
Read my Planted Seeds Sea Moss review for my experience taking this supplement.
Athletic Insight Sea Moss
Athletic Insight Sea Moss combines organic Chondrus crispus (500mg) with bladderwrack (500mg), burdock root (400mg), and BioPerine (5mg) for enhanced absorption. All ingredients are certified organic and third-party tested with a published certificate of analysis.
At $24.99 for 60 capsules, it delivers a more complete formula at a lower price than MaryRuth's. This makes it the strongest value option in the sea moss category for anyone wanting the full thyroid and immune support stack.
View Athletic Insight Sea Moss on the Athletic Insight store.
Frequently Asked MaryRuth's Sea Moss Questions
Is MaryRuth's Sea Moss organic?
Yes. MaryRuth's uses organic sea moss extract in both the capsule and gummy formats. The brand is known for prioritizing clean, organic sourcing across their product line.
Does MaryRuth's Sea Moss contain bladderwrack?
No. MaryRuth's standard sea moss SKUs are single-ingredient formulas. They do not include bladderwrack or burdock root, which are common additions in more comprehensive sea moss supplements.
How much sugar is in MaryRuth's Sea Moss gummies?
The gummy format contains added sugars as part of the chewable delivery system. The exact gram amount varies by serving. Check the current label on Amazon or their website for the specific amount per serving.
How long does it take MaryRuth's Sea Moss to work?
Most users report noticing changes in energy or digestion within two to four weeks of consistent daily use. Results vary depending on baseline health, diet, and how consistently the supplement is taken.
Is MaryRuth's Sea Moss third-party tested?
MaryRuth Organics states that products are manufactured in GMP-certified facilities. However, they do not prominently publish third-party certificates of analysis (COA) the way some competitors do.
Can I take MaryRuth's Sea Moss every day?
Yes, sea moss is intended for daily use. The main consideration is iodine intake. People with thyroid conditions should consult a doctor before starting any sea moss supplement.
Summary
MaryRuth's Sea Moss earns its reputation as a trustworthy, organic supplement from a well-known family brand. The product is clean, easy to find at retail, and well tolerated by most users.
The limitations are clear. It is a single-ingredient formula priced at a premium, the gummy version adds sugar, and there is no bladderwrack, burdock root, or absorption enhancer included.
For casual users who want a simple sea moss top-up and already trust the MaryRuth's brand, this product is a reasonable choice. For anyone targeting thyroid support, immune function, or maximum mineral coverage, a more complete formula is worth the comparison.
Athletic Insight Sea Moss delivers the full trinity formula plus BioPerine at a lower price point, with third-party testing and a published COA. It is the stronger option for most buyers.
References
- Lomartire, S., Marques, J. C., & Gonçalves, A. M. M. (2021). An overview to the health benefits of seaweeds consumption. Marine Drugs, 19(6), 341. https://pubmed.ncbi.nlm.nih.gov/31835297/
- Deville, C., Damas, J., Forget, P., Dandrifosse, G., & Peulen, O. (2004). Laminaria in digestive surgery: Systematic review of the literature. British Journal of Surgery, 91(9), 1045. https://pubmed.ncbi.nlm.nih.gov/29662267/
- Zimmermann, M. B., & Boelaert, K. (2015). Iodine deficiency and thyroid disorders. The Lancet Diabetes & Endocrinology, 3(4), 286-295. https://pubmed.ncbi.nlm.nih.gov/22826603/
- Fitton, J. H. (2011). Therapies from fucoidan: An update. Marine Drugs, 9(9), 1731-1760. https://pubmed.ncbi.nlm.nih.gov/25849945/
- Shoba, G., Joy, D., Joseph, T., Majeed, M., Rajendran, R., & Srinivas, P. S. (1998). Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Medica, 64(4), 353-356. https://pubmed.ncbi.nlm.nih.gov/9619120/
