Spirulina Benefits: Why Blue-Green Algae Is A Wellness Staple

Secure Ordering | Free Shipping | 20% Off Retail Prices

Along with providing information on whether spirulina blue-green algae supplements might be right for you, this article also links to Fullscript where you can buy supplements spirulina online through Fullscript’s secure healthcare formulary and get free shipping and 20% off the retail price of professional-grade supplements.

Spirulina, a blue-green algae, is scientifically known as Arthrospira platensis. It is not only a powerhouse of proteins, vitamins, and minerals but also contains an impressive spectrum of bioactive compounds that have drawn the attention of scientists. In this article, we delve into the scientifically-backed benefits of spirulina supplements, exploring how this ancient superfood can contribute to modern health and wellness. From its role in immune support to its potential in managing chronic diseases, the multifaceted benefits of spirulina are grounded in rigorous research, making it more than just a health trend.

What Is Spirulina?

Spirulina is a type of blue-green algae that grows in both fresh and saltwater. It belongs to a family of single-celled microbes known as cyanobacteria. Spirulina is renowned for its intense green color, which comes from the pigment chlorophyll, and its ability to photosynthesize in sunlight.

Historically, spirulina was a food source for the Aztecs and other Mesoamericans until the 16th century. The algae later gained popularity when NASA proposed it could be grown in space and used by astronauts as a dietary supplement due to its excellent nutritional profile.

Nutritionally, spirulina is a powerhouse. It’s rich in protein — making up about 60-70% of its dry weight — and is a good source of beta-carotene, various minerals, and gamma-linolenic acid, an essential fatty acid. Spirulina contains a spectrum of B vitamins and is particularly high in B12, making it a food of interest for vegetarians and vegans. It’s also loaded with antioxidants, which can protect against oxidative damage.

Spirulina is available in various forms, including tablets, powders, and flakes, and is often incorporated into health foods and beverages. Its inclusion in the diet is touted for a range of health benefits, which have sparked interest in nutritional circles and among health-conscious consumers.

What Are the Benefits of Spirulina?

  • Supports the Immune System: Spirulina is rich in phycocyanin, an antioxidant that can boost the immune system by helping it fight off infections and diseases. PMC9612057
  • May Improve Gut Health: Although spirulina is a microscopic organism, its cellular structure is made of complex sugars that can promote the growth of healthy bacteria in the gut, potentially improving gastrointestinal health and function.
  • May Reduce Allergy Symptoms: Some research suggests spirulina can act against allergic rhinitis, reducing symptoms like nasal congestion, sneezing, and itching.
  • May Aid Blood Sugar Control: Early studies indicate spirulina may help manage blood sugar levels, which could be beneficial for those monitoring their glucose due to diabetes or prediabetic conditions.
  • Could Help Manage Cholesterol: Spirulina has been linked to healthier levels of lipids in the blood, including reductions in total cholesterol, LDL (bad cholesterol), and triglycerides, while possibly raising HDL (good cholesterol).
  • May Have Anti-Toxic Effects: Some evidence suggests that spirulina may protect against the toxicity of heavy metals like arsenic and lead, as well as from the adverse effects of chemotherapy and radiation.
  • Could Support Mental Health: The high content of L-tryptophan in spirulina may promote serotonin production, which can influence mood and sleep, potentially providing support for mental health.
  • Muscle Strength and Endurance: Spirulina might improve muscle strength and endurance, possibly due to its antioxidant properties that help reduce exercise-induced oxidation which leads to muscle fatigue.

Is Spirulina Safe?

Spirulina is generally considered safe for most people, with a history of use both as a food source and a supplement. It’s been consumed for centuries and is regarded for its high nutrient content and health benefits. Spirulina produced under controlled conditions is free of contaminants and adverse effects are rare. When sourced from reputable producers, spirulina is routinely tested for the presence of toxins to ensure its purity. However, as with any supplement, it’s essential to use spirulina as directed and opt for high-quality products to ensure safety and effectiveness.

Medication Interactions with Spirulina

  • Immune Suppressants: Spirulina can stimulate the immune system, potentially reducing the effectiveness of medications designed to suppress the immune system.
  • Blood Thinners (Anticoagulants): Spirulina might affect blood clotting due to its high vitamin K content, potentially interfering with blood-thinning drugs like warfarin.
  • Diabetes Medications: Since spirulina can influence blood sugar levels, it may affect drugs used for managing diabetes, potentially requiring adjustments in medication dosages.
  • Antihypertensive Drugs: Spirulina may have blood pressure-lowering effects, which could amplify the impact of blood pressure medications.
  • Cytochrome P450 2C9 (CYP2C9) Substrates: Spirulina may interact with enzymes in the liver that metabolize certain drugs, altering the effectiveness of medications metabolized by CYP2C9.

Supplement Interactions with Spirulina

  • Herbs and Supplements that Affect Blood Clotting: Similar to the interaction with anticoagulant drugs, supplements known to affect blood clotting such as ginkgo biloba, garlic, ginger, and others, may have their effects amplified when taken with spirulina.
  • Immune-Boosting Supplements: Since spirulina might stimulate the immune system, taking it with other immune-boosting supplements like echinacea or goldenseal could potentially overstimulate the immune system.
  • Antioxidant Supplements: Spirulina is rich in antioxidants. When taken with other supplements that also have high antioxidant content, like vitamin C or vitamin E, the effects may be cumulative, which could both be beneficial or require monitoring for any adverse effects.
  • Magnesium and Calcium Supplements: Spirulina contains both magnesium and calcium; combining it with high doses of these supplements might lead to an excessive intake, possibly exceeding recommended amounts.
  • B-Vitamin Complex: Since spirulina is already high in B vitamins, taking it with a B-vitamin complex could result in an excessive intake of these nutrients, which is generally unnecessary and potentially harmful in the case of fat-soluble vitamins.

When you purchase linked products presented on this page, Supplement Sciences, LLC receives affiliate fees so that our dietitians can continue to create great content.

Thank you for your support!

Order Spirulina Online

Spirulina, a blue-green algae packed with nutrients, has caught the attention of health enthusiasts for good reason. This ancient superfood, brimming with protein, vitamins, and antioxidants, is making waves for its health-promoting properties. Often found in powder or tablet form, spirulina is celebrated for its versatility and its wide array of benefits, ranging from boosting energy levels to supporting immune health. This article delves into the heart of what makes spirulina a standout supplement and how it might contribute to overall well-being.

Why Professionals Choose the Fullscript Formulary

Your health is on the line. Health professionals know that many other online and retail options set a very low bar for quality–sometimes amazingly low. The Fullscript formulary is the most secure online source for the highest quality brands securely sourced to assure freshness and purity. Here’s what makes Fullscript the best:

  • Meticulous vetting of brand quality. Health professionals trust Fullscript to continuously monitor the quality of each item on the platform. Other retailers operate with profit as their highest or only motive when choosing brands. Fullscript cares only about quality and reliability. Unlike discount stores, large online marketplaces, and other retailers you won’t find ingredients sourced from China or other questionable locations or companies.
  • Free shipping over $50 and best prices when you order through Supplement Sciences.
  • Freshness. Fullscript prioritizes freshness over bulk buying even if it means an increased risk of briefly being out of stock.
  • Top quality phone and online support. When you call, knowledgeable humans at Fullscript answer your questions.
  • How It Works:
    • Easy Sign-up & No Spam Email: Click the “View Product” button below to be taken to Fullscript’s login page where you can quickly create your secure account with just your name, email, and phone number. Then you will be taken directly to the product page.
    • Wide variety of supplement options: Once you sign in to your account, you are not limited to the products listed below. You will see similar items listed at the bottom of each product page on Fullscript.
    • Search For What You Want: Once inside Fullscript, you can search for the exact brands and products you want from their wide selection of quality brands.

When you purchase linked products presented on this page, Supplement Sciences, LLC receives affiliate fees so that our dietitians can continue to create great content.

Thank you for your support!

Spirulina 500mg by NOW Foods

  • Pure
  • Rich in Beta-Carotene (Vit. A) & B-12
  • Naturally occurring GLA & Chlorophyll

Spirulina has the highest protein and beta-carotene levels of all green superfoods and also has naturally occurring GLA (Gamma Linolenic Acid), a popular fatty acid with numerous health benefits.  In addition, it is the highest known vegetable source of B-12 and has naturally occurring vitamins, minerals, trace elements, cell salts, amino acids and enzymes.

NOW® Spirulina delivers the natural nutrient profile found in Genuine Whole Foods.

This product is sold by weight not volume.

Natural color variation may occur in this product.
Take 6 tablets daily.

Amount Per 6 Tablet Serving 
Calories … 10
Total Carbohydrate … <1g
Protein … 2g
Organic Spirulina … 3g (3,000mg) (Arthrospira platensis)(Whole Plant)


Food First!

Although this article discusses supplements in detail, don’t forget that we are absolutely committed to the “Food First” approach to nutrition. When it comes to your health, the totality of your eating habits far surpasses the impact of individual nutrients or any single supplement you consume. Even though this article doesn’t delve into the broader picture of your overall diet, it’s crucial to keep this element at the forefront of our minds. Your food needs to provide all the vitamins, minerals, fiber, and phytochemicals to nourish your body systems down to the cellular level.

Food choices, rather than supplements, are the most critical factors for a healthy gut microbiome. These trillions of tiny inhabitants in your gut affect your brain waves; they orchestrate your immune system. They possess the power to create molecules that can switch genes on or off and are even capable of synthesizing neurotransmitters. Opting for organic foods and steering clear of plastic packaging (including those labeled BPA-free) is a smart move to limit toxin exposure. The sum of all these parts leads to a powerful conclusion: the ultimate key to your health lies in the quality and balance of the food you consume. Supplements are secondary.

To Sum It Up

Spirulina supplements offer a rich source of nutrients and potential health benefits, from supporting immune function and improving gut health to possibly reducing allergy symptoms and aiding in blood sugar control. Its high protein and antioxidant content also make it a favorite among those looking to support their nutritional needs. While it’s important to source high-quality spirulina and be mindful of dosage, this blue-green algae continues to be valued for its versatility and health-promoting properties. With its long history of use, spirulina stands out as a beneficial addition to many health-focused diets.


This Article is Not a Substitute for Medical Advice

Dietary supplements are not designed to diagnose, treat, cure, or prevent any disease. The Supplement Sciences website seeks to provide comprehensive access to the most relevant supplement information along with convenient online ordering. We do not provide medical advice and cannot guarantee that every product suggested is completely without risk. Since each person is unique in their health history and medication use, it is important to discuss supplements with your personal physician. Specifically, pregnant women and individuals being treated for cancer or liver or kidney problems must consult their physician about every nutritional supplement they plan to take. People taking medications for the treatment of HIV or with a history of organ transplant must not take supplements without consulting with their physician.


About the Author

Supplement Sciences

If you have any thoughts on this article, feel free to share them with us by emailing them to reviews@supplement-sciences.com.

Leave a Reply