It is loaded with various nutrients and antioxidants that may benefit your body and brain.

Here are 10 evidence-based health benefits of spirulina. 1. Spirulina Is Extremely High in Many Nutrients

Spirulina is an organism that grows in both fresh and salt water.

It is a type of cyanobacteria, which is a family of single-celled microbes that are often referred to as blue-green algae.

Just like plants, cyanobacteria can produce energy from sunlight via a process called photosynthesis.

Spirulina was consumed by the ancient Aztecs but became popular again when NASA proposed that it could be grown in space for use by astronauts (1).

A standard daily dose of spirulina is 1–3 grams, but doses of up to 10 grams per day have been used effectively.

This tiny alga is packed with nutrients. A single tablespoon (7 grams) of dried spirulina powder contains (2Trusted Source):

Protein: 4 grams

Vitamin B1 (thiamine): 11% of the RDA

Vitamin B2 (riboflavin): 15% of the RDA

Vitamin B3 (niacin): 4% of the RDA

Copper: 21% of the RDA

Iron: 11% of the RDA

It also contains decent amounts of magnesium, potassium and manganese and small amounts of almost every other nutrient that you need.