The article explores the multifaceted health benefits of Spirulina (Arthrospira platensis). It highlights Spirulina‘s rich content of functional compounds, such as phenolics, phycocyanins, and polysaccharides, which contribute to its antioxidant, anti-inflammatory, and immunostimulating effects. The article also discusses Spirulina‘s potential to modulate gut microbiota, suggesting that its intake may promote the growth of beneficial intestinal bacteria, thereby supporting overall health.