Spirulina, classified as cyanobacteria, or blue-green algae, has been considered as a superfood by many, due to its range of nutritional contents and health benefits. Widely found in capsules, tablets, and powder, it is among the world’s most consumed supplements. Now, it is also found in some foods and beverages such as energy bars and smoothies. Although more research is needed to support claims about its contribution to curing numerous diseases and health conditions, it is said to prevent or cure high cholesterol, hypertension, depression, diabetes, and malnutrition. It also is said to boost metabolism and reduce quite many risk factors behind heart, kidney, and liver disease.
Why Take Spirulina Supplement Externally?
Medical research and studies have shown that Spirulina is the most nutrient-packed food on the planet. As its main active component is Phycocyanin, which has powerful antioxidant and anti-inflammatory properties, it helps control chronic inflammation, which in turn reduces the risk of chronic diseases like cancer, diabetes, and cardiovascular diseases. It offers one of the highest concentrations of carotenoids along with a full range of vitamins and minerals.
A good supplement can help improve your health. There are spirulina supplements in various forms to suit your needs. Here are the ones we recommend and why:
Our Top 8 Spirulina Supplements, Tablets, And Powders For You And Your Family Are:
[wptb id=897]Spirulina can grow in extreme conditions that are generally inhabitable. It is usually grown and harvested from alkaline water sources. Spirulina boasts a 60% protein content — richer in protein than most vegetables — and these proteins are complete. They contain all essential amino acids, and some nonessential ones. It is also a good source of beta-carotene, various minerals, and gamma-linolenic acid, an essential fatty acid. Furthermore, Spirulina may improve your levels of blood lipids, suppress oxidation, reduce blood pressure, and lower blood sugar. Overall, Spirulina is a superfood worthy of its title.
We have prepared our list while keeping these benefits in mind. The side effects of the supplements were also taken into consideration. Now, let’s look into each of the products on our list.
Pure Hawaiian Spirulina Tablets
Why we picked it: Farm grown in Hawaii, rated as the best Spirulina product
Pure Hawaiian Spirulina Tablets contain protein, beta carotene, essential vitamins, and minerals. They have 31 times more antioxidant activity than even the immune-boosting fruit, blueberries. This antioxidant capacity supports cellular health and immunity. Overall, this product greatly improves Immune Function, Healthy Cholesterol Levels, Eye Health, Cellular Health, and Increased Energy.
Highlights:
- 500mg/1,000mg tablets
- Recommended daily serving – 3,000mg
- Servings per bottle – 67 or 60
- Vegan
- Non-GMO
- Gluten-free
- Glyphosate-free
- Hawaiian-grown Algae
Who Makes It?
Dr. Gerald Cysewski, a world-renowned expert in microalgae and carotenoids, founded Nutrex Hawaii in Kailua-Kona, Hawaii in 1990. They aim to utilize the benefits of microalgae to improve and extend health world-wide. Nutrex Hawaii is located on the pristine Kona coast of Hawaii. In the farm, freshwater and deep ocean water are drawn from aquifers to cultivate the supplements. Their long-standing brand recognition and consistency in delivering the best quality products made us give them the top spot on our list.
Pros:
- Farm-grown in Hawaii
- Gluten-free
- Ultra-Pure Deep Ocean Water
- Vegan
- Independently quality tested
- No artificial compounds added
- Capsules are easier to consume than powders
Cons:
- Might be allergic to people who are allergic to seafood, seaweed, or sea vegetables.
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Sevenhills Wholefoods Organic Spirulina Powder
Why we picked it: High spirulina content
Sevenhills Wholefoods Organic Spirulina Powder is produced from organic spirulina grown in freshwater cultivation ponds, under strict conditions of purity. Its variety is Arthrospira Platensis and is not related to the BMAA-producing strain. Sevenhills Wholefoods products are widely reviewed and recommended presses like the BBC Good Food Magazine.
Highlights:
- Package – 1kg
- Recommended serving – add up to 5g to juice or smoothie
- Arthrospira platensis variety
- GMO-free
- Non-irradiated
- Gluten-free
- Tested for heavy metals and mycotoxins
Who Makes It?
Sevenhills Wholefoods is a supplement manufacturer that specializes in naturally produced extracts and supplements. Their products are sourced directly from the farm to maintain consistency in quality and supply and enable local communities to flourish. They heavily emphasize on using as little processing as possible to provide the maximum nutrition level. They have been committed to charity projects and improvement of lives in local communities as well as delivering 100% natural products, and thus, places high on our list.
Pros:
- Grown in freshwater cultivation ponds
- Non-allergic
- Arthrospira platensis variety
- Registered with the vegan society
- 100% natural
- High spirulina content
Cons:
- Takes some time getting used to the taste and smell
Zazzee 100% Pure Organic Spirulina Powder
Why we picked it: Fresh smell and neutral taste
Manufactured in the USA in a fully compliant facility, Zazzee 100% Pure Organic Spirulina Powder is known for its fresh smell and neutral taste, unlike spirulina powders from other brands. Lab-tested and contaminant-free, taking it regularly can greatly improve your immune system and aid weight loss.
Highlights:
- 2.2 lb (1kg) container.
- Recommended dose: 1 teaspoon, 1-3 times daily. Mix with juice, shake, or smoothie.
- 100% pure spirulina.
- Lab-tested.
- USDA certified.
- Non-GMO.
- Gluten-free.
Who Makes It?
Zazzee Naturals takes pride in producing high-quality supplements with consistent customer satisfaction, with an emphasis on innovation and natural ingredients. All their products are made in an FDA registered facility and lab-tested by a third party. They come very highly reviewed and recommended.
Pros:
- Free of contaminants
- Made in the USA
- Lab-tested
- Vegan
- FDA registered facility ensures quality products
- Easy blend with drinks for better usage
Cons:
- No kosher or halal specification
Spirulina 100%
Why we picked it: Excellent packaging, 2400 grains provided
Spirulina 100% from Spirulina Dissemination Meeting are high-end premium tablets originated from farms of Japan and provides all the benefits of Spirulina while being allergen-free and safe to use. This is a unique product in that this spirulina supplement comes in the form of grains, making them preferable for those who do not like the powder form. There are 2400 grains in a pack that can be consumed with water.
Highlights:
- 2000 grain + 400 grain bulking
- 3 years expiration date
- Production in Japan
- Improves digestion
- GMP certified
- Gluten-free
- Vegan and halal
Who Makes It?
Spirulina Dissemination Meeting, founded in 2011, takes up the mission to provide essential oils and supplements that allow everyone to live a happier, healthier, and more productive life. They ranked top in Japan for Spirulina products and prioritize customer satisfaction and product quality. They come very highly recommended.
Pros:
- High quality and nutrition-packed grains
- GMP certified
- Good for gut health
- Vegan friendly and all-natural
- Independently tested
Cons:
- No recommended dosage for reference
Organic Spirulina Powder by MySuperFoods
Why we picked it: Excellent customer service
Organic Spirulina Powder from MySuperFoods is completely natural and contains no artificial colors or preservatives, and it is grown and harvested in a pure, sustainable, and eco-friendly way. It has no dairy products despite the high calcium content. It is also gluten-free, making it ideal for anyone on a vegan or vegetarian diet.
Highlights:
- Weight: 500g.
- Recommended use: 1 Heaped Tablespoon (10g – 15g) daily.
- Format: Powder, mix with natural juices and smoothies, or even water.
- Vegan and vegetarian.
- Excellent detoxing agent.
- Rich in calcium, iron, fiber, protein, and magnesium.
Who Makes It?
MySuperFoods set out in 2008 to provide high-quality superfoods that are friendly for everyone. The company brings together a team of health professionals, market advisors, and field specialists to provide superfoods which everyone can equally enjoy the benefits of. Which is why their formula is also 100% safe for those with special dietary needs. Vegan and vegetarian-friendly, dairy, and gluten-free, they are widely popular and highly recommended.
Pros:
- Packed with protein as well as other minerals like calcium
- Dairy and gluten-free
- Vegan and vegetarian friendly
- No allergens
- Certified by The Soil Association
- Independently tested
Cons:
- Has an earthy flavor which is not pleasant
- The smell is strong and can be disturbing
Now Foods Organic Spirulina Tablets
Why we picked it: Good flavor and easy to swallow
Now Foods Organic Spirulina Tablets are known for being easy to swallow, energy inducing, and having a rich nutrient profile. As a dietary supplement, these tablets can be taken in combination with Lecithin and Chlorella. Completely free of any side effects, they produce visible results with daily usage.
Highlights:
- 100% Natural Hawaiian Spirulina
- Product weight: 11 ounces
- 500 Tablets
- Daily recommended dosage: 6 tablets
- 500mg Spirulina per tablet
- USDA certified
Who Makes It?
NOW has been a leader in the natural food products industry since 1968. With over 50 years of experience and consistent quality service, NOW is working towards its mission of “providing value in products and services that empower people to lead healthier lives.” One of the most reputable companies on our list, we highly recommend NOW products.
Pros:
- Organic natural Hawaiian Spirulina
- Small tablet form makes it easy to swallow
- USDA certified
- Strong and long-standing brand recognition
- Can be taken safely with other supplements
Cons:
- No allergen specification
- No halal or kosher certification
Organic Spirulina Powder by Soul Organics
Why we picked it: Packed with energizing iron, certified organic by 4 separate entities
Organic Spirulina Powder by Soul Organics is processed in a spirulina farm in a remote area in India that remains untouched by other human development, industrial or agricultural pollutants, ensuring its high quality and pristine nature. Non-irradiated, non-polluted, and chemical-free, this product is packed with iron that energizes you throughout the day while carrying oxygen around your body.
Highlight:
- Package: 225g (8 oz)
- Recommended daily dose: 1-3 teaspoons with water, juice, or a smoothie.
- 100% organic
- USDA, USP, Ecocert, and Naturland certified
- Certified Non-GMO and Kosher
- Gluten-free
Who Makes It?
From 2016, Soul Organics has been committed to finding the finest quality products from around the globe. All their products are certified organic, fair trade, and sustainably grown. Their farm itself employs the most rigid organic farming practices leveraging only plant-based fertilizers and eliminating the use of pesticides, herbicides, chemical fertilizers, and animal input. All 4 major organic certification bodies have certified them which makes their products highly reliable. Their sustainable farming practices and commitment to the environment only adds to their reliability.
Pros:
- USDA, USP, Ecocert, and Naturland certified
- Rich in iron
- Boosts immune system health and vitality
- Contains detoxifying agents
- Independently quality tested
- Tastes good
- Relatively mild smell
Cons:
- No allergen specification
Viva Naturals Spirulina Powder
Why we picked it: Provides antioxidant boost, supports eye health
Rich in vitamin A, Viva Naturals Spirulina Powder is processed from deep-green spirulina. It features an antioxidant called zeaxanthin, known to support eye health. With protein, antioxidants, and a fatty acid called GLA (gamma-linolenic acid), it offers plenty of nutrients you may be missing when you are on the go. It can blend into smoothies, power bars, or baked treats for extra green goodness, its natural sea flavor balancing out the sweetness.
Highlights:
- Weight: 227g (8 oz)
- Powder form can be mixed into smoothies, power bars, or baked treats.
- Non-Irradiated
- No heavy metal contamination
- Pesticide-free
- Non-GMO
- Gluten-free
- California freshwater-grown
Who Makes It?
Viva Naturals grows its spirulina in California freshwater ponds. Grown without pesticides or herbicides, each batch is independently tested. There is no heavy metal contamination because they grow their spirulina in freshwater, not ocean water – a source of mercury. This makes them unique from the other brands, and thus they come highly recommended.
Pros:
- Contains zeaxanthin antioxidant, which supports eye health
- Grown in freshwater. So, no risk of heavy metal contamination.
- Non-irradiated
- Can be mixed and blended with a wide variety of food
- Independently tested
Cons:
- No specific dosage indicated
- Comparatively low spirulina content
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Benefits Of Spirulina:
- Besides reducing many health complications, Spirulina improves muscle strength and endurance.
- Contains a high concentration of zeaxanthin – an important nutrient linked to eye health.
- Speeds up cell turnover that helps skin heal faster. It also prevents acne breakouts.
- Contains vitamins and minerals that protect cells and tissues from damage.
- Effective against anemia.
- Aids weight loss.
- Reduces allergy symptoms like itching.
- Improves gut health.
How To Take Spirulina:
Found in various forms, the two most common forms of spirulina are powder and tablets. It is also an ingredient in some protein and energy-boosting powder mixes. It can be stirred into any drink or can be added to desserts, according to personal preferences. Some capsules can be directly swallowed.
Who Can Take Spirulina:
According to researchers, Spirulina is mostly free from any significant side-effects. For people allergic to seafood, seaweed, and sea vegetables, it should be consumed with caution. Besides that, it is always suggested that you consult your nutrition specialist or health provider before starting supplementation if you are pregnant or have any severe health conditions.
How To Pick A Good Spirulina Supplement?
While one might think that most Spirulina supplements offer the same health benefits, it is necessary to keep in mind that most of these brands have distinct benefits. For varying doses, here are a few tips that will help you pick the best ones from our list:
Ingredients: Some ingredients are included in a lot of these supplements which may cause allergic reactions to some consumers. Therefore, it is advised to look at the ingredients before picking a specific one.
Brand Reputation: The health benefits of Spirulina being well established, it is always safe to choose name brands that emphasize consumer transparency and research. Smaller brands with good reviews and FDA and GMP certifications may also be a good option for you, as they provide a range of prices.
Value for money: Higher dosages are often provided by cheaper brands because they avoid adding excess ingredients. If you want a minimal but good supplement that will fulfill your needs, look out for these supplements, keeping in mind that expensive products do not always mean they are better.
Taste/User convenience: Excess flavoring is often added to your supplement. While you can add or mix the powder with anything you prefer, some might prefer a dietary supplement, in which case a bit of extra flavor might be favorable. Again, some people like the powder form, and some like the capsule/tablet form. Choose according to your taste.
FAQs:
Q. Is feeling nauseous after taking supplements normal?
A. Yes, it is very normal to feel nauseous after taking supplements. However, changing the brand or type of supplement according to your physician’s consent is recommended if the nauseous feeling lingers.
Q. Are Spirulina supplements safe during pregnancy?
A. Some extra ingredients are included in a lot of these supplements which may cause allergic reactions and may not be suited for pregnant or ovulating women. It is suggested to read the label and check-up with your physician to check if it suits your health condition and pregnancy.
Q. Are there any side effects of Spirulina?
A. Although Spirulina does not have any severe side-effects, some consumers may experience some symptoms like nausea, abdominal pain, and headaches. But aside from these, the supplements are widely considered safe to consume because most people experience no such side-effects. But it is advised to consult your health provider for the recommended dosage you need.
Q. When should you take Spirulina supplements?
A. It is always suggested to build up your dosage gradually, rather than starting with the recommended dosage right away. The daily intake can be either taken all at once in the morning, or divided doses spread over the day. It is recommended to avoid taking it in the evening, as you might be too active when you go to sleep.
Spirulina has been used as a dietary supplement for a long time, as the title “superfood” itself explains a lot about its nutrients and health benefits. Spirulina should be used strictly as a complementary supplement for our daily diets, not as a replacement. Containing a significant amount of minerals, vitamins, and proteins, it helps to cure malnutrition, high cholesterol, diabetes, and even reduces risks of deadly diseases like cancer. It boosts the immune system, helps improve muscle strength, and eliminates risk factors of heart, liver, and kidney diseases. Please remember to contact your physician for further advice and to only take what you need. For a healthy and extended life, spirulina supplements provide you with all the nutrition you need. If you want to pick only one supplement for your daily diet, spirulina supplements are the way to go.
