top of page

Spirulina- A Lean Green Protein!!!

Updated: Aug 25, 2021

Spirulina is a blue-green algae that comes from the sea. It’s packed with crucial nutrients, but one of its most notable qualities is found in its protein content. This algae represents an important staple diet in humans and has been used as a source of protein and vitamin supplement without any significant side-effects(1)

Spirulina stands out for being one of the richest protein sources of microbial origin (460-630 g/kg), having similar protein levels when compared to meat and soybean(2)

It's status as a plant-based source of complete protein makes it an ideal dietary supplement choice for vegetarians & vegans.


One tablespoon (7grams) of dried spirulina contains (3)

  • 20 calories

  • 4.02 g of protein

  • 1.67 g of carbohydrate

  • 0.54 g of fat

  • 8 milligrams (mg) of calcium

  • 2 mg of iron

  • 14 mg of magnesium

  • 8 mg of phosphorous

  • 95 mg of potassium

  • 73 mg of sodium

  • 0.7 mg of vitamin C

It also contains thiamin (Vitamin B1), riboflavin (Vitamin B2), niacin (Vitamin B3), folate, and vitamins B6, A, and K.


Spirulina is available in powder or tablet form.

- As a powder, it can be

  • added to smoothies, which gives the drink a green color

  • sprinkled on salads or in soups

  • mixed into energy balls, along with other healthful ingredients

  • stir a tablespoon into fruit or vegetable juices

-Tablet form of spirulina can be taken directly as a dietary supplement.


- Consuming spirulina is one way to supplement protein and vitamins in diet without notable side effects and may help a person to stay well nourished.

- Spirulina is said to be a promising agent as a functional food for diabetes management (4).

- A higher dose of spirulina may lower blood pressure levels, a major risk factor for many diseases.(5)

- Spirulina may provide multiple exercise benefits, including enhanced endurance and increased muscle strength (6) (7)

- Some evidence suggests that spirulina may benefit people with type 2 diabetes, significantly reducing fasting blood sugar levels. (8)

- In a study, spirulina was found to significantly reduce total cholesterol and lower LDL “bad” cholesterol while increasing HDL “good” cholesterol (9)

Spirulina is a high-nutrient, low-calorie food that contains a lot of nutrition in a small quantity. While more research is needed before any strong claims can be made but Spirulina may be one of the few superfoods worthy of the title.

If you want to give this lean, green Protein a try, it’s widely available in stores and online.