Medically reviewed by Jamie Johnson, RDN Spirulina may help lower blood pressure, manage blood sugar levels, and decrease ...

Learn about the potential downsides of these popular green supplements made from algae, including potential side effects and contamination concerns.

Found in warm waters around the world, spirulina is a blue-green algae that’s become a popular ingredient in smoothies and protein powders. One of its many appealing features is that, in its natural ...

Blue spirulina is the phycocyanin pigment extracted from the spirulina algae. It contains antioxidants and may support brain, immune, and cardiovascular health, among other benefits. Commonly referred ...