We’ve been all about gorgeous greens on Instagram lately. The entire HQ was obsessed with this teal superfood smoothie, and we’re still dreaming about that mermaid toast. It was magical! The beautiful blue-green colors come from an algae called spirulina. We’ve been using it so much lately, and today we're telling ya all about the amazing benefits! Spirulina and its close cousin chlorella are algae that can brighten your skin, decrease your body fat percentage, and protect your heart. Both…