14 Best Spirulina Supplements 2023: Is it Risky to Use?

Best Spirulina Supplements

If you have been suffering from cholesterol, blood pressure problems, or have a tough time dealing with allergies; then Spirulina could be the right supplement! Spirulina is a kind of cyanobacteria, blue-green algae commonly found in freshwater. It works best to prevent DNA and cell damage and is commonly used as livestock feed in aquaculture.

Spirulina is many things! It is considered a superfood, a high source of protein, iron and has antioxidant effects. But do we truly have any health benefits? We will tell you how you can get the most out of these 14 best spirulina supplements and many more ways of consuming them. Keep on reading to find some basic do’s and don’ts and the pros and cons of this one-of-a-kind dietary supplement.

Try these spirulina supplements, which might help you with diabetes, obesity, depression, and inflammation! Spirulina contains more protein than beef or chicken. Even though it contains more protein, it is not harmful to your blood sugar levels in fact it would help in regulating blood sugar levels. Even there is a study which as recently found that there is a connection between taking spirulina as a nutrient and getting your weight managed. This study cited that even though spirulina has high nutrient content, it is easily digestible. Also consuming it helps your body absorb iron better and makes it easier to get energy from food. You need about 1 tablespoon per day.

Best Spirulina Supplements to Boost Your Health

1. NOW Supplements Spirulina Powder

Now’s Certified Organic Spirulina Powder is a nutrient-packed superfood that makes an excellent addition to your smoothie recipes. NOW Foods Spirulina is an entirely natural and pure spirulina powder that can provide you with a wide range of spirulina benefits. It contains naturally occurring GLA (gamma linolenic acid) which is actually a popular fatty acid which offers numerous health benefits.

Additionally it also has vitamins, minerals and other traces of elements, cells salts, enzymes and amino acids. Along with this, this product is also rated by USDA organic which does specify that the brand only uses natural and unprocessed materials. This also makes the product a vegan friendly one and moreover its grown by a family since 1968 and also tested in the GMP Quality Assurance facility.

Now Foods’ products meet FDA standards for safety, purity, strength, quality, identity, and composition. The company has undergone extensive testing to ensure its products are safe and effective. Most people enjoy taking this supplement because they don’t require any additional dietary supplements to increase their daily intake of vitamin B12 and you can certainly take this product as a very good source of vitamins. Its recommended dose is of six tablets a day, two each after a meal. 

NOW Supplements Spirulina Powder

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2. Viva Naturals Spirulina Powder

Viva Naturals California Grown Spirulina Powder provides an antioxidant boost for healthy skin! It’s made from 100% natural spirulina powder grown right in Californian ponds. Preliminary studies suggest that it may be able to boost your immune system too. It has a natural taste which makes it balance out the sweetness. Add this powder to smoothies, power bars, or baked goods for added nutrition benefits. It comes along in a container which has a total of 76 servings. Even at that price, it is still cost-effective because per serving you get so much of great ingredients.

All these some varieties may not contain the same level of fiber and nutrition as others. Still, it has been favorably reviewed by experts. If you’re looking for something bigger than one serving at a time, this option might be right up your alley. Many people appreciate that it is grown in California and is pesticide-free, which gives them added peace of mind. It is also certified that it is non-GMO and gluten-free. It comes in low calories per serving so it would certainly not impact your your weight losing goals.

Viva Naturals Spirulina Powder

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3. Soul Organics Spirulina Powder

Organic, farmed in the rural countryside of Southern India using the strictest organic and sustainable growing practices on Earth. It’s made from 100% organic spirulina algae grown without harmful chemicals like pesticides, herbicides, fungicides, etc. Most Spirulina sold today comes from farms located near cities where they are exposed to pollution; however, this product is grown in an isolated region of India that has not been affected by any human development, industrial, agricultural, or environmental pollutants, so it retains its natural purity and high quality.

Along with it, this product is USDA as well as USP certified. Its recommended dosage is of 3 grams but you can take half of it initially and later increase the same as your tolerance level increases.  Dried at ultra-low temps to keep nutrients intact, allowing for maximum absorption by your body. In addition, people enjoy lower cholesterol levels of this powder and increased amounts of Vitamin A.

Soul Organics Spirulina Powder

Vegetarian Product
Soul Organics Spirulina Powder includes essential fatty acid proven to be exceptionally helpful in relieving joint pain.

4. Transparent Labs Prebiotic Greens

It’s not your typical green supplement. This nutritious, fiber-rich, gut-flora-friendly greens drink contains some of the most mineral-dense veggies in the world. It has a unique blend of spirulina and chlorella.  Studies show that Spirulina and chlorella contain nutrients that help support healthy gut bacteria. Their claim has been backed by research showing that it can help cleanse toxins from our bodies.

By optimizing your gut health through probiotic supplementation, you’ll be able to manage everything from weight loss to energy levels. It contains zero grams of cholesterol and fat so you dont have to worry while you include it in your diet. It also contains probiotics which provide a healthy dose of prebiotic fiber to help your digestive system function properly. Finally it comes in an unflavored option which does make it easier to add it in your smoothies. While some might like this, for some flavor lovers wont!

Transparent Labs Prebiotic Greens

Gluten-Free and Non-GMO
Transparent Labs has delivered on its promise of producing the highest-quality spirulina supplements. It also has a good amount of prebiotic fibers to help your digestion.

5. Earthrise Spirulina Natural

Weight loss can be a tricky thing to achieve when you’re using the wrong nutrients and not taking into account your organism’s needs. When we talk about Earthrise Spirulina Natural, it would not only help you with your weight loss goal but it will also improve the overall health of the user. This high-quality product consisting only of natural nutrients is able to provide a full 2 month supply of vitamins and minerals. This product comes in a single package that contains 360 tablets. Many users around do consider this as a Green Superfood for Longevity as it not only helps in weight loss but improves the overall health of a person in a longer run.

This product is made in the US in a GMP-approved facility which ensures quality and does maintain quality standard. It is also rich in anti-oxidant and acts as a protection shield by improving the immune system of the body. The main ingredient in this product is obviously Spirulina but it also contains some Non-GMO ingredients like Apple Powder, Lecithin and Silica which together combine and help in neutralizing the sour and strong taste of Spirulina tablets. Its recommended daily dose is of six tablets per day where you got to take two after each meal. You don’t have to chew the tablets instead just drink them with water.

Earthrise Spirulina Natural Tablet, 500 Mg - 360 per Pack - 3 Packs per case.

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6. BN Labs Organic Spirulina Powder

B.N. Labs sourced their Spirulina from the highest quality suppliers available. It has been tested for purity and potency by third-party laboratories. It’s clear from their advertisements that they rely on third-party testing to validate the contents and the absence of pesticides and heavy metals. And the brand also believes in providing quality products to its customers by using the most quality ingredients in their products. Protein-rich, including all essential amino acids.

Spirulina, Arthrospira platensis which is actually blue – green algae is used in this powder. This algae is cultivated and used since long time and used as a complete food. Spirulina is loaded with Vitamin B2, Vitamin B12 and also Vitamin A. It contains zero cholesterol and just one gram of fat, making it an incredibly healthy choice for anyone who wants to add more nutrition into their diet without adding too many calories. It has around 2.5 times the recommended intake of vitamin A and a large amount of iron.

BN Labs Organic Spirulina Powder

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7. Snap Supplements Spirulina + Chlorella – Alkalizing Greens Complex

Blue-green algae have abundant benefits, making them one of the best supplements for humans. When used with bioavailable detoxification and alkalinization agents, molecules transform into powerful supplements. It combines the benefits of complete protein from Spirulina and the potent detoxifying effects of chlorella into one product. These capsules are rich in antioxidant phytonutrients which actually would support cardiovascular health.

Along with this it also offers detoxification, support to metabolism of the body and also gives you sustained amount of energy. The major ingredients include Spirulina, Chlorella, Alkalizing Green and also essential fatty acids. This formula has been shown to eliminate certain cancer-causing chemicals from circulation while enhancing insulin sensitivity. Its recommended dose is of four capsules, two times a day. This supplement may react negatively with blood thinners, so be sure to take professional advice before you start taking it regularly.

Snap Supplements Spirulina + Chlorella – Alkalizing Greens Complex

$16.46 $21.95
The supplement uses vegetable capsules.
The world’s most well-balanced superfoods. Green algae provide a high concentration of complete proteins, phytonutrients, and trace minerals.

8. Fresh Spirulina

Fresh Spirulina is free of any significant refining processes and has only one goal: to promote your general health. It helps digestion, immunity, metabolism, and other conditions that affect immune system functioning. It does not contain gluten; therefore, it is free from genetically modified organisms (GMOs). Fresh Spirulina is recommended to be stored in the refrigerator for best results.

In spite of this, the taste will feel weaker if you keep it in a freezer and turn it into ice cubes. As far as safety goes, the company ensures that its Spirulina powder is freshly prepared every week to remain safe for consumption throughout the entire month. It contains no chemicals, so there’s nothing to impair its growth and quality. Just one teaspoon of Fresh Spirulina into your smoothie would boost your immunity and also serve all your nutritional needs.

Fresh Spirulina

Gluten-Free, Non-GMO, Vegan
Fresh Spirulina is the starting point for your morning routine. One tablespoon in your smoothie will clear your body, improve your immune system, and boost your nutritional needs for the day.

9. Nutrex Pure Hawaiian Spirulina Powder

Antioxidant capacities help cells stay healthy and immune systems function correctly. Clinical trials show that Spirulina can improve immune function by increasing antioxidants and improving cellular immunity. It has been proven that Spirulina contains three thousand percent more beta carotene compared to carrots and thirty-one times more antioxidants than blueberries for every gram. You can see that the company grows its Spirulina in Hawaii, United States. In contrast to competitors who claim they offer organic Spirulina grown in water polluted by animals, Pure Hawaiian guarantees their product comes from clean sources.

Nutritionally speaking, you’ll still get all the benefits, but you won’t have to pinch your nose to get it down. Digestible proteins, vitamin B6 and B12 and iron are important for people with iron deficiency or anemia. Well if your ultimate goal is that, then certainly this supplement as you can easily turn it into a shake or a smoothie and get its benefits easily. The company sells organic-labelled spirulina with natural fertilizers and water, which is a great way to get your daily dose of nutrients.

Nutrex Pure Hawaiian Spirulina Powder

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10. Zhou Spirulina Powder

Made from organic ingredients grown by hand at our own Spirulina Farm in Southern California, this unique blend contains no preservatives, additives, or artificial flavors. It grows naturally on farms due to clean air and mineral-rich water resources. In addition, the closed-loop water and nutrient recycling system raises it to the level of an ultra-immune booster. It contains minerals and vitamins like Vitamin A, Vitamin A, calcium, iron, potassium and many more.

It’s certified organic, GMO-free, non-irradiated, gluten-free, pesticide and herbicide-free, and allergy-friendly. Furthermore, this product is FDA-approved and adheres to GMP guidelines. This product is also backed by many certifications which does confirm the quality of this product. Each container would give your 48 servings. The recommended option would be to use it one scoop per day. You can mix this scoop with your smoothie or even a milkshake. Later on when you get used to it, you can take two servings a day as well.

Zhou Spirulina Powder

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11. Double Wood Blue Spirulina Powder

It’s the best overall blue spirulina powder because it is made in the U.S., vegan, and does not include any filler ingredients. It’s important to note that the label doesn’t state if the product is USDA-certified organic; however, they likely check their products for purity before packaging. It has a potent 35% of Phycocyanin extract which is one of a kind with a presence of 350 mg per serving.

It comes along with a 1 month supply where you get one gram serving and a scoop for easy use. It’s just perfect for mixing it into a smoothie and also does add natural food coloring. Some reviewers reported that the taste was barely noticeable and easily incorporated into smoothies and recipes. This powder by Double Wood is manufactured in the USA and is also a Non-GMO product free from gluten.

Double Wood Blue Spirulina Powder

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12. Anthony’s California Spirulina Powder

Anthony’s California Spirulina powder is a pure and organic option which is gluten-free, organic, and vegan. It has a strong taste of algae which can be used in many healthy recipes for detoxification. Anthony’s California Spirulina Powder has an intense taste that works best when used in recipes where its flavors blend naturally into foods like smoothies and soups. Because of California’s abundant sunshine, algae are produced and harvested there. Along with this, this powder is 100% plant-based and GMO-free.

It contains a high chlorophyll, proteins, antioxidants, minerals, and vitamins. In addition to aiding in the stimulation of metabolism and digestive processes, this product can be used to relieve symptoms associated with Candida albicans infections such as diarrhea and bloating. Additionally, if you suffer from Irritable Bowel Syndrome (IBS), this supplement may help alleviate some of its symptoms. Gluten-free means it’s allergy-safe too!

Anthony's California Spirulina Powder

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13. KOS Natural Pre Workout Spirulina Blend

This organic supplement contains many vitamins and minerals, including beta carotene, which provides good immune system support. Its chlorophyll also helps with digestion. In addition to their antioxidant properties, blueberries contribute an additional benefit by helping boost immunity. They have mixed Blue spirulina powder with 4 adaptogens, blueberry and ginseng in order to make this superfood powder which would really energize your body and mind. Along with this, the product also contains Rhodiola rosea, lion’s mane and ashwagandha which does give your brain the needed support in order to fight the mental fatigue.

Made from ingredients sourced from local farms where they adhere to strict environmental standards, it’s certified by the National Sanitation Foundation (NSF) for its ability to meet rigorous sanitation standards, and it’s certified organic and vegan. There are three different varieties available, and each one has 70 mg of caffeine. Although Kos says that their green Spirulina is “non-irradiated,” they don’t specify if the same goes for their blue Spirulina.

KOS Natural Pre Workout Spirulina Blend

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14. California Gold Nutrition Organic Spirulina

California Gold Nutrition offers some of the best spirulina supplements available today. They’re designed to help improve health and wellness by boosting immune function, losing weight, and living a happier lifestyle. Spirulina tablets may not be more cost-effective than other supplements, but they contain organic ingredients, making them ideal for people who want to avoid GMOs.

Most important of all, this recipe is vegan-friendly! It contains a lot of antioxidants, so it protects blood vessels and cardiovascular issues. Antioxidant vitamins like beta carotene and zeaxanthin help protect cells from damage caused by free radicals! We hope this list helps you choose a Spirulina supplement for your well-being. Now let’s talk about some of this superfood’s potential benefits and the ideal dosage.

California Gold Nutrition Organic Spirulina

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Benefits of Spirulina Supplements

  • Boosts Metabolism: This is the number one reason why people take spirulina supplements. Since Spirulina boosts metabolism, it helps burn calories quickly. The natural way to lose weight is through exercise and dieting. However, many people find that they need something extra to get rid of stubborn fat.
  • Improves Digestion & Helps Relieve Constipation: Blue-green algae are rich in chlorophyll, which improves digestion. Chlorophyll is found in vegetables, fruits, nuts, seeds, grains, and supplements. It helps purify the body by removing toxins, heavy metals, and harmful chemicals. It also detoxifies the liver and kidneys. When taken regularly, it prevents constipation and reduces bowel movements.
  • Promotes Healthy Blood Levels: Spirulina is high in iron, which helps build red blood cells. Iron deficiency causes fatigue, dizziness, and difficulty concentrating. To prevent these problems, consume at least two servings of iron-rich foods every day.
  • Fights Inflammation: Spirulina is packed with anti-inflammatory nutrients, including protein, vitamin B12, zinc, magnesium, manganese, selenium, and calcium. These components work together to reduce inflammation throughout the body.
  • Supports Immune System: Spirulina is an excellent source of antioxidants, which protect against disease and aging. It also supports the immune system because it increases T-cell counts.
  • Prevents Heart Disease: According to research conducted by the University of Florida, Spirulina effectively reduces cholesterol levels. As a result, it protects against heart disease.
  • Helps Maintain Bone Health: Spirulina is rich in calcium, phosphorus, magnesium, and potassium. These nutrients promote healthy bones and teeth.
  • Lowers Risk of Diabetes: People who eat Spirulina often experience lower insulin resistance. Insulin resistance leads to diabetes.
When is the best time to take spirulina?

The best time to take Spirulina is when you’re feeling energetic. If you feel sluggish or tired, then skip taking it. You can always start slowly and increase the dose as needed. We recommend starting with 1 tablespoon (15 mL) daily to lose weight. For optimal health, we suggest 2 tablespoons (30 mL). You should be able to use spirulina supplements indefinitely. However, if you notice any side effects, discontinue using them immediately.

Spirulina supplements are typically made in either a dried powder form, or as capsules and tablets. Taking capsules can be easy and expedite to intake whereas powders can be easily mixed with salads, smoothies or even can be used as seasoning in various foods. Both these option depends on personal choice and whichever you choose would definitely yield you the same results. 

A typical dose of spirulina consists of 2.8 to 3.0 grams per day, which is equivalent to 5-6 tablets of 500 grams or just a teaspoon of powder a day. Experts recommend taking anything between 1 to 8 grams of any Spirulina supplement daily. But you would need to contact a health specialist first before you go ahead with these products. 

Who should go for Spirulina Products? 

  • People who have Heart related problems 

Many of the clinical experiments done on Spirulina supplements suggest that it is known to reduce cholesterol and glucose level in the body. Both these components are problematic in case of people experiencing cardiovascular problems.  

  • People who are in a state of Malnutrition 

As described earlier, spirulina is simply packed with many of the essential nutrients and also offers a high nutritional value. People who are HIV-positive and are malnourished can really benefit from spirulina.  

  • People who have weak immune system

 People who have weak immunity should definitely go for products containing spirulina as it has immunity boosting effects. Even for people who are suffering from fatal diseases and other viral infection can benefit from spirulina. But this certainly does not gives us the evidence to use spirulina as an individual therapy or even replace it against the conventional medical treatment.

How to Consume Spirulina Supplement

Spirulina Supplement

Drink plenty of water while consuming Spirulina. Water flushes your digestive tract, allowing for better absorption of nutrients. Mix spirulina powder into smoothies, oatmeal, yogurt, cereal, salad dressing, soups, or other food items.

  • Add spirulina powder to juice, milk, or coffee.
  • Sprinkle Spirulina on top of salads or veggies.
  • Add spirulina powder to ice cream or desserts.
  • Use spirulina capsules instead of tablets.

Side Effects of Spirulina 

Very few people have experienced the side effects of Spirulina, all due to its high iron and protein contents. Some of the side effects Spirulina has been linked to include: 

  • Nausea
  • Diarrhea
  • Headaches
  • Skin rashes
  • Bloating

If you feel any of the above-specified symptoms, we recommend you stop consuming the supplement and see a health professional.

Can Pregnant Women take Spirulina supplement

Most of the spirulina supplements are considered safe if it does not contain compounds which work as diuretics because spirulina can cause miscarriage in that case. But we think that it’s simply best to consult a doctor before you even decide to take spirulina supplement. It is said that women who use organic and natural spirulina is a better option as inorganic spirulina is grown by using fertilizers.

When is the best time to take spirulina?

Spirulina is best consumed first thing in the morning with breakfast or a smoothie. This gives your body an energy boost to help you get through the day

Is spirulina safe for the kidneys?

Yes, unless you have underlying kidney problems, spirulina is safe for your kidneys. In that case, you should consult your doctor before beginning to take these supplements.

Can spirulina make you gain weight?

No, spirulina will not cause you to gain weight because you will not be consuming big amounts of calories. It has also been proven to activate metabolic processes that help reduce your body fat.

What are the benefits of spirulina?

Spirulina is a nutrient-rich blue-green algae that is used as a dietary supplement. It’s said to help with fatigue and energy, lower cholesterol and triglyceride levels, stimulate the immune system, fight viral infections and weight loss.

What are the side effects of taking spirulina?

Side effects from spirulina are uncommon; however, they can include headaches, muscle pain, sweating, and insomnia. Some people are allergic to spirulina and may experience an allergic reaction.

Final Thoughts:

Superfoods are making a positive change on our planet. They help us live longer, healthier lives, and they do so without causing harm to the environment. Factors like essential amino acids, vitamin C, vitamin D, folic acid, omega-3 fatty acids, etc., found in supplementation can improve our overall well-being. We hope that this article will encourage more people to incorporate superfoods into their diets. any of the spirulina supplements and more in case if you are suffering from any medical condition.

Did you find what you were looking for? Tell us about your favorite superfoods in the comments below!

14 Best Spirulina Supplements 2023: Is it Risky to Use?
14 Best Spirulina Supplements 2023: Is it Risky to Use?
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