Spirulina

Spirulina is a green unicellular alga famous for being an important, vitamin rich containing minerals and a protein source making it stand out for its high nutritional value. A single tablespoon (7 grams) of dried spirulina powder contains.

• 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.

In addition, the same amount holds only 20 calories and 1.7 grams of digestible carbs.

Gram for gram, spirulina may be the single most nutritious food on the planet.

A tablespoon (7 grams) of spirulina provides a small amount of fat — around 1 gram — including both omega-6 and omega-3 fatty acids in an approximately 1.5–1.0 ratio.

The quality of the protein in spirulina is considered excellent — comparable to eggs. It gives all the essential amino acids that you need.