Best Spirulina Supplement Brands

When we are on a vegan diet, it is essential that we ensure to take all nutrients. The foods we have might not contain all the nutrients required to keep the body fit and healthy. Hence, we often have to depend on supplements. Spirulina is among the oldest superfoods known to nourish us with multiple benefits. Being an herbal vegan product, it works as a brilliant supplement for the vegans. Here, we will review some of the best spirulina supplement brands to provide you with suitable options.

When you are buying spirulina, you need to know its nutritional profile. These blue-green microalgae are nature’s boon as these can work wonders for your body. Spirulina is rich in anti-oxidant and anti-inflammatory properties. From boosting the body with metabolism to preventing fatal diseases, it has many qualities. However, it is essential to buy products that are tested for heavy metals and toxins. So, let us begin with the review.

What Is Spirulina?

Spirulina is a cyanobacteria that originates from a family of single-celled organisms. This blue-green colored micro-algae grows in both salt and freshwater sources. Over the past centuries, it is consumed by people all over the world both in the form of medicine and food for its therapeutic and supplementary attributes. You will also find blue-colored spirulina and that too has a lot of health benefits.

Spirulina is consumed in many forms such as raw, fine powder, flakes, pills, and capsules. As a supplement, the powdered form is the most popular one. A tablespoon of this wonder food provides you 4 grams of protein, multiple vitamins, and minerals. These nutrients make spirulina one of the single most nutritious foods on the planet.

How Does Spirulina Affect Your Body?

By itself, Spirulina is not dangerous when consumed in the right proportion. However, when grown in the wrong conditions, there are chances of contamination from bacteria and other toxins. These might  cause you with nausea, vomiting, liver damage, and other severe side effects.

Hence, it is essential to buy the best and most safe spirulina brand. Also, it is always a good idea to consult with your doctor or nutritionist before you start a new supplement. Depending upon your health condition and nutritional needs, they can suggest you the best option. If you are looking for gaining some weight, then you can rather try out some best vegan weight gainers for yourself.

Overall, spirulina has a host of potential health benefits. There is a wide range of nutritional properties in spirulina such as protein, vitamin B1, B2 and B3, copper, iron, magnesium, and more. As a result, you gain proper nutrition. The antioxidant and anti-inflammatory properties in Spirulina can reduce the risks of fatal diseases like cancer.

As a supplement, it reduces bad cholesterol and raises good cholesterol in the body. It also lowers the chances of high blood pressure and diabetes by reducing blood pressure and blood sugar. People suffering from malnutrition, diabetes, allergies, high blood pressure, and weak immune system are supposed to get immense benefits from this superfood.

Best Spirulina Brands

1st Place
Best Spirulina Supplement Brands Earthrise Spirulina By Earthrise Nutritional
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Best Value
Best Spirulina Supplement Brands Nutrex Pure Hawaiian Spirulina Powder By Nutrex Hawaii
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3 Best Spirulina Supplement Brands Zhou’s Non-GMO Spirulina Powder By Zhou Nutrition
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4 Best Spirulina Supplement Brands Healthforce Spirulina Manna By Healthforce Superfoods
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5 Best Spirulina Supplement Brands NOW Foods Certified Organic Spirulina By NOW Foods
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If you are looking to add this wonder food to your diet, here you go. Here are some of the most popular brands that claim to provide you with the purest spirulina. Follow this review to find out the best and most safe spirulina brand.

1. Earthrise Spirulina

The pack of 360 spirulina tablets from Earthrise is a powerhouse of nutrients ensuring your longevity. It contains 360 tablets that you can consume on an everyday basis for good health and nutrition. In terms of antioxidant content, this one is equivalent to 3-4 servings of the common vegetables you consume in a day.

The Earthrise spirulina tablet is free of herbicides, pesticides, and gluten. You can take up to 6 capsules a day, though these statements have not been evaluated by the FDA.

If you are on medication, it is recommended to consult a physician before using this supplement. The brand also produces spirulina formula in two other formats: capsules and powder.


  1. Spirulina tablets are easy to swallow
  2. Doesn’t have any strong odor
  3. 100% natural ingredients, with no additives or preservatives
  4. Lasts for up to 2 months (6 tablets a day)


  1. Rare chances of mild side effects
  2. People with thyroid or other conditions need a doctor’s recommendation

2. Nutrex Pure Hawaiian Spirulina Powder

As its name suggests, this product has purity as its primary goal. Hence, you can expect this one to work excellently in boosting your immune system. It is a spirulina powder that you can have in a variety of ways.

Mix it with your morning smoothies or simply have it with a glass of water, either way, you would be gaining immunity. 1 tablespoon of this spirulina powder contains more beta carotene than carrots. This product is produced and tested in the USA.

During production, each batch is checked to ensure there are no contaminants. This brand has over 4,500 positive reviews and therefore stands out as one of the best spirulina to buy.


  1. Boosts immunity and energy
  2. Grows naturally in Kona, Hawaii, USA, since 1984
  3. Produced in USA GMP certified facility with extensive quality control
  4. Better than organic spirulina


  1. The powder is difficult to mix and consume than tablets or capsules
  2. Some people might find a strong odor in the powder

3. Zhou’s Non-GMO Spirulina Powder

This unique formula is produced in a remote spirulina farm in Southeastern California. With resources like clean air and mineral-rich water, the spirulina grows naturally on the farm. Then, closed-loop water and nutrient recycling process make it an ultimate immunity booster.

Not only this, but the certification list is also quite long as this product is non-GMO, non-irradiated, gluten-free, pesticide and herbicide-free, allergen-free- to name a few. Moreover, this product is FDA certified and follows GMP protocols.

When it comes to the dosage, only 2 servings a day of this antioxidant-rich spirulina powder is equal to 7+ servings of fruits and vegetables. You can simply mix it with water or your smoothies like bubble tea smoothie just like you do with any other spirulina powder.


  1. FDA certified and follows GMP protocols
  2. Pesticide and herbicide free
  3. Better than organic spirulina powder


  1. The powder is difficult to consume than tablets or capsules
  2. Some people might dislike the strong odor

4. Healthforce Spirulina Manna

Healthforce is considered as the best spirulina powder brandby many people. This spirulina powder is a completely plant-based formula for immunity and nutrition. It can fulfill your dietary needs by providing you with protein, amino acids, vitamins, and minerals.

This spirulina powder contains phycocyanin to support a healthy inflammatory response. Like any other spirulina formula, it comes with potent antioxidant properties to support kidney health. It is a certified vegan, kosher, and gluten-free product.

Also, this product is lab tested for GMOs and pesticides. There are no traces of fillers, binders, and flow agents in this formula. It is available in a recyclable amber glass that is easy to use and store.


  1. Contains 60–70% protein and all the essential amino acids
  2. Certified vegan, kosher, and gluten-free
  3. FDA registered cGMP compliant
  4. Peanut and tree nut-free


  1. People allergic to seafood might dislike the product
  2. Spirulina powder is difficult to consume than tablets or capsules

5. NOW Foods Certified Organic Spirulina

This spirulina powder from Now foods is perhaps the best organic spirulina powder you’ll find. As a certified organic and non-GMO product, it is a safe option among the organic protein formulas. The spirulina formula is rich in beta-carotene and the topmost vegetable source of vitamin B-12 (You can also get B12 from other fortified food sources).

You can easily add this one to your juices, salads, smoothies, or a glass of water to boost immunity instantly. Now Foods is a trusted brand in the USA since 1968. This product comes with an NPA A-rated GMP certification.

Every aspect of the Now manufacturing process has been examined, including our laboratory/testing methods. Also, this formula is USDA organic, kosher, halal, vegan, soy-free, and sugar-free option.


  1. Non-GMO spirulina powder
  2. Certified organic spirulina formula
  3. Has NPA A-rated GMP certification
  4. Kosher and halal


  1. Has a strong odor that many people dislike
  2. The powder form is difficult to consume than capsules or tablets

6. Micro Ingredients Pure Organic Spirulina Powder

The 1 lbs. pack of Micro Ingredients spirulina powder is loaded with protein, fiber, amino acids, vitamins, minerals, and antioxidants. It is one of the best organic spirulinapowders in the market today ensuring you with multiple health benefits.

Adding to this, the formula contains no GMOs, no additives, no preservatives and is also free from fillers, artificial colors or flavor, soy, or gluten.

There is a scoop inside this pack and all you need to do is measure the formula with the spoon and take it in or between your everyday meals. Some of the benefits of having spirulina formula ensured by this brand are higher concentration, quicker absorption, fast metabolism, and great energy.


  1. Organic spirulina powder
  2. The resealable pack with a scoop
  3. Contains no GMOs, no additives and preservatives


  1. Has a stronger odor compared to other spirulina powders
  2. The resealable pack is difficult to use than containers
  3. Lack of information on test results pr safety standards

7. Sari Foods Pure Organic Spirulina Powder

Sari Foods planet-friendly spirulina makes a perfect option for the vegans. This non-synthetic formula contains protein, iron, vitamin K, A, B1, B2, B12, and chromium. What makes this spirulina formula stand out is its production process.

This pure organic spirulina formula is harvested in natural freshwater lakes and then dried and pulverized into a fine powder. Per tablespoon serving of this spirulina powder nourishes your health with 7 grams of protein.

It has more antioxidants that you can have from five servings of fruits and vegetables. The formula works through unlocking sugar from your cells that might otherwise get stored as fat in the body.


  1. Pure organic spirulina powder
  2. Tested non-GMO formula
  3. Spirulina sourced from freshwater lakes


  1. The resealable pack is difficult to use than container
  2. Has a strong odor that many people dislike

8. Triquetra Health Organic Spirulina Powder

This German organic spirulina powder uses USP Verified ingredients that are safe and highly effective for immunity and good health. It is free of yeast, mold, E. Coli, BMAA, and microcystins. This spirulina formula goes through a 100% vegan and sustainable farming process.

There are no traces of animal or chemical-based fertilizers used in the firming process, as claimed by the company. As a halal-certified, kosher certified, and California proposition 65 approved product, it meets the quality standards of USDA, Naturland, OCIA & Ecocert.

You can have this powder with your regular meals or with water or juice on a daily basis to expect high energy, metabolism, and immunity.


  1. Organic best protein spirulina powder
  2. Processed without animal or chemical-based fertilizers
  3. Uses USP verified ingredients


  1. Has a strong odor that many people dislike
  2. The powdered form is difficult to dilute and consume

9. Soul Organics Spirulina Powder

This organic spirulina powder from the house of Soul Organics is certified by four prestigious organizations: USDA, Ecocert, Naturland, and USP. This formula is popular for being GMO-free, non-irradiated, non-frozen or pasteurized, kosher, and vegan friendly.

It contains multiple nutrients including iron, which is essential for the formation of hemoglobin. For being almost 60% protein, this formula boosts you with high immunity and energy.

You can consume it like any other spirulina powder during the day by following the dosage. Moreover, the brand offers you a free replacement product or money back if you are not satisfied with the result.


  1. Organic spirulina powder
  2. USDA, Ecocert, Naturland, and USP certified
  3. Never frozen or pasteurized
  4. Kosher and vegan friendly


  1. It has a strong odor that many people dislike
  2. The powdered form doesn’t dissolve easily in liquid

10. BN Labs Spirulina Powder Organic

The resalable pouch of BN Labs Spirulina Powder Organic contains 32 servings and you can consume 1.5 teaspoons each day. It has 100% pure spirulina nutritive ingredients that are great for health. All essential amino acids are present in this protein-rich formula.

It is fillers free and USDA certified for being a purely vegan product. Also, it is gluten-free and contains no artificial colors or flavors.

Some of its health benefits are high energy, weight loss, blood pressure, and sugar control, good cholesterol level, anti-aging, and proper PH balance. It is a non-GMO, gluten, and soy-free product.


  1. Purely organic spirulina powder with no fillers
  2. Non-GMO, gluten and soy-free
  3. USDA certified


  1. Many people dislike the strong odor
  2. The powdered form is difficult to dilute and consume

What should I look for when buying spirulina?

safe spirulina brands

There are certain factors that you should check while buying your spirulina powder.

1. Organic or Non-Organic Formula

Now, organic products are not always the best one in terms of nutrition. Along with it, there are chances of contamination and other alarming factors in some of the organic spirulina formulas.

2. Spiruline Forms

Spirulina formula comes in a variety of formats such as tablets, capsules, powders, and others. If you are looking for a spirulina powder, check whether the product follows the quality and organic standards set by reputed organizations.

3. Flavored or Unflavored

There are both non-flavored and flavored spirulina powders available today. If you dislike the strong odor of the non-flavored one, you can choose the flavored ones. However, you need to consider the fact that the non-flavored one is the best when it comes to nutritional properties.

4. Country of Origin

Most of the spirulina powders are the USA made and these follow quality standard protocols by the top organizations. If you are buying organic spirulina powder processed in other countries, check the label thoroughly to know its ingredients and safety standards. Non-GMO, gluten, and soy-free products without additives or preservatives are the best ones to choose from.

5. Serving Size

Depending upon the product you choose, the serving size might vary. Most of the products have the serving size mentioned in the label, which you can check easily. It is essential to know the serving size to estimate the budget. After all, you are going to include this formula to your regular diet. Hence, the budget is an essential factor.

How Does Spirulina Taste?

best and most safe spiriluna brand 2020

The taste of raw spirulina powder is slightly savory. It has a strong odor and smells somewhat like an aquarium. Many people describe the taste as similar to the sea, or like a mouthful of lake water. Some people find a fishy flavor in spirulina, which is similar to seaweed.

You can always make the taste better by adding sweet fruits in it such as mango, bananas, and pineapple. There are several ways to balance out the overall flavor of spirulina. Also, there are products available in the market that contains added flavor. However, the non-flavored spirulina works the best for all.

How to Use Spirulina

The simplest way to have spirulina is by mixing it with water or juice and drinking it straight. You can add spirulina to your regular diet by combining it with other ingredients as well. You can make a breakfast smoothie like banana smoothie or quinoa smoothie with the powder. For lunch, you can sprinkle your spirulina powder on salads or in soups. Also, you can add spirulina powder to your energy bars and balls.

You will come across numerous methods of using spirulina in daily recipes. However, it is better to consume this energy booster in the morning or during the day and to avoid it in the evening.

Who Can Benefit from Spirulina?

People suffering from malnutrition, diabetes, allergies, high blood pressure, and a weak immune system can gain immense benefit from spirulina, the superfood. It nourishes the body with essential nutrients including protein, vitamins, and minerals, and helps to treat malnutrition. Since spirulina is known for balancing blood sugar and pressure levels in the body, it works excellent to cure diabetes and high blood pressure.

By providing enough vitamins in the body, spirulina helps people to combat the weak immune system. Overall, anyone can gain benefits from this superfood when it comes to boosting energy, metabolism, and immunity. It is essential to use proper serving on a regular basis.

Which spirulina brand is best? – Based on our research, the Earthrise Spirulina tablet is the best tablet formula and the Nutrex Pure Hawaiian Spirulina Powder are the best spirulina powder formula.


Now that we have reviewed some of the best spirulina powderyou can avail, it is much easier for you to make a worthy pick. These are some of the safe spirulina brands ensuring you safe and tested products. Based on your dietary needs and preferences, you can make a choice.

Many people dislike the strong fishy or seaweed like the odor of spirulina powder and therefore prefer capsules or tablets instead. However, the powder form is highly effective and full of rich ingredients. In fact, one serving of spirulina powder boosts you more than fruits and vegetables.

These are the best spirulina supplement brands you can absolutely rely upon. However, before including spirulina to your diet, you need to consult your doctor, especially when you have specific medical conditions like an allergy. Also, if you notice any side effects, you can avoid spirulina temporarily or permanently following your physician’s advice.

Tully Zander

My life literally revolves around optimum health and sustainable living by being a devotional vegan. My mission is to create a community of like minded vegans to go forth in creating a better and brighter world for humans, animals and the planet. Just like Gandhi once said: “The greatness of a nation and it’s moral progress can be judged by the way its animals are treated.” – Gandhi

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