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Certified: Gluten-Free

Spirulina is a vivid blue-green algae that commonly grows in freshwater lakes and ponds. It's considered a complete protein, containing an ideal balance of all 9 essential amino acids. And its protein is more digestible than other rich protein sources such as red meat and even soy.

Spirulina's whopping protein content isn't the only asset that gives it its superfood status—it's naturally loaded with vitamins A through E, iron, potassium, calcium, and antioxidants. All it takes is one to two teaspoons per day, mixed into virtually any food or liquid, to add a major boost of protein, vitamins and minerals to your everyday diet.

What is Spirulina and Where Does It Come From?

Our spirulina is a blue-green algae that is grown in open-channel, shallow, man-made raceway ponds. Paddle wheels move the water to accelerate growth while growers continually add clean, fresh water and nutrients to the ponds to keep the spirulina thriving. When ready, the spirulina is harvested with filters, washed in fresh water, and then dried by spray drying machines. Our spirulina is non-irradiated and non-GMO (Genetically Modified Organism).

How to Eat Spirulina

To enjoy this superfood, mix 1 teaspoon of the powder in liquids, smoothies, salad dressings, guacamole, or sprinkle it in food. It'll blend right in with the smoky taste of seaweed and give your meal superpowers! Blend the superpowder with fruits and yogurt for a spirulina smoothie, or combine it with avocados for a guacamole dip. On the right-hand side of the page, you can find even more delicious spirulina recipes.

Our Registered Dietitian's Top Pick

Our Registered Dietitian and Health Nut likes to add spirulina to guacamole to boost protein content of the heart-healthy dip. Spirulina is about 55-77% protein by weight compared with 27% of meat and 34% of soy. This means that one ounce boasts 16 grams of protein.

Spirulina Health Benefits

1. Because its cell walls have no cellulose, spirulina's protein is 85%-95% digestible. This percentage is higher than that of any other common plant!

2. Spirulina has an Oxygen Radical Absorbance Capacity (ORAC) of over 24,000, which is four times the ORAC score of blueberries! The ORAC score measures the antioxidant concentration in foods.

3. Spirulina also contains a wide range of minerals, ranging from calcium to potassium to zinc. Amino acids play a key role in our body's ability to efficiently use these minerals - and spirulina contains all 9 essential amino acids!

4. Spirulina has 26 times the calcium of milk, which makes it a more potent alternative to common calcium sources such as dairy and cheeses.

5. Spirulina may lower cholesterol and blood pressure. Its anti-inflammatory properties stem from the presence of gamma linolenic acid. A 2007 study published in the Journal of Agricultural and Food Chemistry found that spirulina consumption protected hamsters from developing atherosclerosis, the build-up of plaque inside arteries.

6. Spirulina can help manage blood glucose levels in diabetic patients. A 2001 study published in the Journal of Medicinal Food observed the effect of spirulina consumption in patients with type 2 diabetes mellitus. The diabetic patients experienced lower blood glucose levels, triglyceride levels, and LDL "bad" cholesterol levels.

What Experts Say

SHAPE Magazine:"A daily 4,500mg dose of this blue-green algae can help relax artery walls and normalize blood pressure. It may also help your liver balance your blood fat levels-decreasing your LDL cholesterol by 10% and raising HDL cholesterol by 15 percent."

Dr. Oz from the Dr. Oz Show:"For a metabolism-boosting snack, blast off with spirulina. Made from dehydrated blue-green algae, spirulina is a miracle from the sea for your metabolism. It's packed with protein and all the essential amino acids your body needs to keep your metabolism charged up by fueling your cells."

Spirulina Through the Ages

Named the "Best Food for the Future" at the 1974 United Nations World Food Conference, spirulina soon caught on as a possible solution to severe malnutrition in third-world nations. The Intergovernmental Institution for the use of Micro-algae Spirulina Against Malnutrition (IIMSAM) was later founded to promote spirulina benefits such its ability to provide the malnourished with nutrients, its low amount of side effects and eco-friendly cultivation practices.

A true future food, it may even soon be cultivated in zero gravity by NASA and the European Space Agency. In fact, NASA includes spirulina in its astronauts' diet and plans to grow the algae on its space station.

Customer Reviews

Leave online feedback and share your thoughts with other customers!

“Thank you. Service is excellent, as well is the price. I have visitors from Europe and they will bring some Spirulina and Chlorella to my family up there. I am really happy with the price. Before I found your site (Google)I bought few OZ. of Spirulina in a local Health Food store. Paid more than twice,,,,
I'll be back soon, and I am going to tell my friends about your business.
Thanks again.”

September 2, 2009

“I am so happy to have found Nuts Online! The selection, competitive pricing, fast delivery, high quality products, and courteous communication is THE ABSOLUTE BEST I HAVE EVER EXPERIENCED buying online. You guys have earned a loyal customer, and I can't wait to place another order to try some more delicious stuff!”

, Audubon, NJ August 28, 2009

“Just received my order today. Wow! Your raw food selections are super! Please keep them coming. ”

, Elkhart, IN August 21, 2009

“I recently ordered the chlorella and wanted also to try the spirulina. I really like this also and the energy it gives me. One difference is that smoothies are a staple in my diet and I find that the spirulina mixes more neutrally regarding taste. This is a great nutritional supplement also and I will definitely be ordering it again when my supply runs out. Thanks!”

, Charlotte, NC August 15, 2009

“Excellent transaction, delivered as scheduled, packaged well. Thanks.”

, Butte, MT August 14, 2009

“Received my Spirulina in the mail today. Shipping is very prompt. I just made a smoothie with a teaspoon of Spirulina and it turned out great. Very good product as promised. ”

, Grand Rapids, Mi August 7, 2009

“I ordered spirulina powder which I found on google shopping, by far the lowest price anywhere. also it came really fast;it took less than 24 hours to arrive and all I paid for was UPS ”

, far rockaway, ny August 3, 2009

“Yahoo! Package arrived on time and in fine shape. We are enjoying our excellent quality Goji berries and spirulina.
Glad we found your web site. Thanks. We'll be placing another order when our current supplies run low.
A "nutty" consumer!”

, Zephyrhilols, Florida July 14, 2009

“The spirulina from NutsOnline.com was the lowest price I can find anywhere! Unless I were to grow it in a pond in my backyard, I could not get it cheaper anywhere, yet still have the same quality powder as I got from NutsOnline.com. Thank you, Nuts!


Nutty Algae-eater ”

, Puyallup, WA May 15, 2009

“Thank you Nuts Online! I just received my Spirulina powder today (Friday)at 5:45pm EST, and I just ordered three days ago on Tuesday. I've seen a lot of good testimonies about your great services, and they are so right. The package was wrapped up nice and neat, and discreet, oh and right on time. I see you really do care about your customers. I'll be ordering again next month. Thanks a lot. ”

, Tampa, Florida May 1, 2009

“It's wonderful ;o)”

, Angora, MN September 12, 2014

Nutrition Facts

Serving Size 28g (~1 oz.)
(Approx. 16.2 Servings/Pound)

Amount Per Serving
Calories 81
Calories From Fat 19
Total Fat 2g 3%
Saturated Fat 1g 4%
Cholesterol 0mg 0%
Sodium 0mg 0%
Total Carbohydrate 7g 2%
Dietary Fiber 1g 4%
Sugars 1g
Protein 16g
Vitamin A 3% Calcium 3%
Vitamin C 5% Iron 44%



Packaged in the same facility as peanuts, tree nuts, soy, and milk products.


Store in a cool dry place for up to 1 year. It is ok to refrigerate.

Country of Origin: China

ID: 7199

From our family to yours, since 1929

Our beloved grandfather, Poppy Sol, started this business in an open-air market. Three generations later, we’re still bringing smiles to our customers' faces.

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