In the United States and other parts of the world, it is common to find algae in dietary supplements that help boost the immune system, repair nerve tissue, normalize blood sugar and provide the body with additional protein and fiber.

How is algae beneficial to humans?

In addition to making organic molecules, algae produce oxygen as a by-product of photosynthesis. Algae produce an estimated 30 to 50 percent of the net global oxygen available to humans and other terrestrial animals for respiration.

What are two human uses for algae?

People have used algae as food fertilizer for hundreds of years. More recent uses of algae include biodiesel fuel, thickening agent for food, bacterial growth medium, and pollution control. Algaculture is a form of aquaculture involving the farming of species of algae for different uses.