Sea Moss vs Spirulina vs Multivitamin: Nutrient Density Compared

Key Takeaways

Q: Sea moss vs spirulina — which is better?

A: Different profiles. Sea moss leads on iodine and trace minerals. Spirulina leads on protein content (60-70% by weight) and B vitamins. They complement rather than substitute. Futuro Labs Sea Moss provides 2000mg raw equivalent at £10.99 for 60 servings.

Q: Does sea moss really have 92 minerals?

A: The "92 minerals" figure comes from a single 1980s analysis and includes trace minerals at very low concentrations. Sea moss is a meaningful mineral source — particularly for iodine — but the 92-mineral claim overstates practical impact.

Sea Moss vs Spirulina vs Multivitamin: Honest Comparison

Three "natural superfood" categories dominate UK wellness supplementation. Each has a different nutrient profile, sourcing, and best-fit use case. Understanding the differences helps users avoid duplication or gaps.

Sea moss (Chondrus crispus) — red seaweed. Strong on iodine (highly variable per harvest), magnesium, potassium, and trace minerals. Provides Zinc and iron at moderate levels. Low protein content. Futuro Labs Sea Moss delivers 2000mg raw equivalent per serving via 15:1 extract.

Spirulina (Arthrospira platensis) — blue-green algae. Strong on protein (60-70% by weight), iron, B vitamins, and antioxidants like phycocyanin. Lower iodine content than sea moss. Higher cost per serving. Used by Naturya, Healthspan, Solgar.

Multivitamin — synthetic compounds at controlled, labelled doses. Strong on label transparency — you know exactly how much Vitamin B12, D, etc. you're getting. Weak on whole-food trace mineral content. Used by Centrum, Vitabiotics, Solgar.

Sea moss vs chlorella: chlorella is similar to spirulina (green algae, high protein). Sea moss is mineral-focused; chlorella is protein and chlorophyll focused.

Does sea moss really have 92 minerals? The figure originates from a single 1980s study analysing trace mineral content. Many of those 92 minerals are present at biologically insignificant trace levels. Sea moss is a meaningful source of iodine, iron, magnesium, potassium and Zinc — the practical minerals — but the "92 minerals" claim is more marketing than nutrition.

How to choose: for mineral and iodine focus, sea moss. For protein and B vitamin focus, spirulina. For controlled labelled vitamin and mineral doses, multivitamin. Many users stack sea moss + multivitamin to cover both whole-food minerals and labelled vitamins. For dosing see Sea Moss Dosage Guide. For source comparison see Irish vs Jamaican Sea Moss.

Futuro Labs Sea Moss is available on Amazon UK: View on Amazon