PlantFusion Seawater Magnesium, 120 Organic Vegan Caps supplement bottle
PlantFusion

Seawater Magnesium, 120 Organic Vegan Caps

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 7 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
65
Product Score Fair
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as Magnesium Hydroxide from Seawater) 375 mg 89%
Organic Fermented Food BlendOrganic Apple, Organic Blueberry, Organic Carrot, Organic Cranberry, Organic Broccoli, Organic Kale, Organic Parsley, Organic Spinach 50 mg *
Bioavailability Poor

Absorption Rating

  • Magnesium (as Magnesium Hydroxide from Seawater) Poor
  • Organic Fermented Food BlendOrganic Apple, Organic Blueberry, Organic Carrot, Organic Cranberry, Organic Broccoli, Organic Kale, Organic Parsley, Organic Spinach Fair
Other Ingredients Excellent

Fillers & Additives

  • Capsules (organic pullulan)
  • Starch
  • Organic Rice Hulls
  • Organic Rice Bran Extract
  • Organic Gum Arabic
  • Organic Sunflower Oil
Efficacy Poor

Dosage Analysis

  • Magnesium (as Magnesium Hydroxide from Seawater) 375 mg High
  • Organic Fermented Food BlendOrganic Apple, Organic Blueberry, Organic Carrot, Organic Cranberry, Organic Broccoli, Organic Kale, Organic Parsley, Organic Spinach 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as Magnesium Hydroxide from Seawater) 375 mg 89%
Organic Fermented Food BlendOrganic Apple, Organic Blueberry, Organic Carrot, Organic Cranberry, Organic Broccoli, Organic Kale, Organic Parsley, Organic Spinach 50 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Capsules (organic pullulan) Unknown
Starch Generally_safe

It is used as a filler, binder, or thickener.

Organic Rice Hulls Generally_safe

It is used as a flow agent to prevent clumping.

Organic Rice Bran Extract Safe

It is used as a filler or flow agent.

Organic Gum Arabic Generally_safe

It is used as a thickener, emulsifier, or stabilizer.

Organic Sunflower Oil Safe

Carrier oil for fat-soluble vitamins.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$31$29$28$26$24 Mar 12 $28.99$26.37
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
PlantFusion

Founded 2009 · Denver, CO, USA · 51 products · plantfusion.com/

Certifications

7 certifications
Consumerlab Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Npa Gmp Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

3 incidents
Lawsuit Misrepresentation of the protein content and its bioavailability in 'Organic Mushroom + Protein Powders'.Ongoing InvestigationSource
Prop 65 Lead2022-03-01Source
Lawsuit Deceptive 'slack-fill' packaging, where containers are only half-filled.2022Source
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Frequently Asked Questions
Is PlantFusion Seawater Magnesium, 120 Organic Vegan Caps a good supplement?

PlantFusion Seawater Magnesium, 120 Organic Vegan Caps received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 60 servings per container. Of the 6 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, PlantFusion, holds a brand trust score of 86/100 with 7 verified certifications including Consumerlab, Gluten Free Gfco, Non Gmo Project, Npa Gmp.

What are the ingredients in PlantFusion Seawater Magnesium, 120 Organic Vegan Caps?

PlantFusion Seawater Magnesium, 120 Organic Vegan Caps contains 2 active ingredients: Magnesium (as Magnesium Hydroxide from Seawater) (375 mg), Organic Fermented Food BlendOrganic Apple, Organic Blueberry, Organic Carrot, Organic Cranberry, Organic Broccoli, Organic Kale, Organic Parsley, Organic Spinach (50 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is PlantFusion Seawater Magnesium, 120 Organic Vegan Caps safe to take?

PlantFusion Seawater Magnesium, 120 Organic Vegan Caps has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is PlantFusion a trustworthy supplement brand?

PlantFusion receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Denver, CO, USA, the company offers 51 products in their lineup. They hold 7 verified certifications including Consumerlab, Gluten Free Gfco, Non Gmo Project, Npa Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: PlantFusion has 3 historical regulatory incidents on record, which are factored into the trust score.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.