Spirulina, a nutrient-dense blue-green algae, offers a potent dose of vitamins, minerals, and antioxidants. Selecting a high-quality supplement is crucial to harness its full health benefits, ensuring purity and potency in every serving.
- USDA Organic Spirulina Tablet from Spirulina Powder Organic (Arthrospira Platensis), 3000mg Per Serving, 720 Counts (4 Months Supply), Green Algae Super Food, Vegan Friendly, Filler Free, Irradiation Free, Easy to Swallow.
- Loaded with Vegan Protein, Chlorophyll, Fiber, Amino Acids (Omega 3 6 9, GLA, Arginine), Fatty Acids, Immune Vitamins (Vitamin A, Vitamin B2, Vitamin B12, Vitamin C, Vitamin K, Biotin), Minerals (Magnesium, Calcium, Potassium & Zinc Vitamin), Flavonoids...
- A nutrient-dense spirulina superfood made to complement everyday nutritional intake.
- No GMOs, No Irradiation, No Additives, No Preservatives, No Artificial Colors, No Flavors, No Soy and No Gluten.
- 3rd Party Lab Tested for Purity and Safety. Made in USA.
- For Daily Nutrition: Each serving of spirulina tablets delivers a rich source of vitamins (A, B12, C, and K), and minerals (Magnesium, Calcium) to complement your diet, and can assist you maintain balanced nutrition and stay energized throughout the day
- Key Ingredients: Crafted with organic Spirulina, these spirulina pills contain no fillers, preservatives, or artificial colors; Just a nutrient-packed algae to support your wellness goals
- Smart Choice: These spirulina tablets include blue-green algae, rich in chlorophyll, fiber, and amino acids like Omega 3, 6, and 9, GLA, and arginine, along with fatty acids, flavonoids, phytonutrients, and antioxidants
- Supports Cleansing and Digestion: Spirulina algae tablets' chlorophyll content is known for its cleansing properties, offering gentle support to your body's natural cleansing processes and might help you maintain digestive balance
- Generous Supply: This package contains 720 tablets providing a 4-month supply at 3000mg per serving, offering long-lasting nutritional support for your daily wellness routine
- Quality Standards: Non-GMO certified supplement made from premium organic Spirulina powder (Arthrospira Platensis) with no artificial additives, designed to fit seamlessly into your daily health regimen
- ORGANIC & NON-GMO 'SUPER' SUPERFOOD: Ready to amp up your daily smoothie or post-workout shake? Kate Naturals Spirulina Powder is USDA certified organic and non-GMO. This vibrant super greens powder is naturally rich in nutrients and plant-based protein...
- PROTEIN & NUTRIENT PACKED: Each serving of this organic spirulina powder is naturally rich in plant-based protein, essential amino acids, iron, and other nutrients. It’s an easy way to add nutrient-dense greens to smoothies, juices, and recipes.
- EASY TO MIX INTO FOOD AND DRINKS: Spirilina powder (alga espirulina organica en polvo) blends smoothly into smoothies, juices, salad dressings, and baked goods. Add powdered spirulina to your smoothies or favorite beverages for a nutrient-dense addition...
- PERFECTLY PACKAGED: Our spirulina organic powder is carefully packaged and ready to enjoy in a convenient resealable container. Simply open the container, scoop out 1 teaspoon of spirulina algae powder into your beverage of choice, and reseal to ensure...
- HIGH QUALITY SPIRULINA: We aim to provide high quality spirulina powder. Spirulina naturally has small traces of lead. If it doesn't work out for you, please let us know so we can make it right.
- ORGANIC SPIRULINA: Enjoy the beneifts of this blue-green algae and coveted super food!
- VEGETARIAN FORMULA: Features 3,500 mg of Spirulina per serving in convenient vegetarian tablets
- ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
- CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
- NATURALLY FREE OF: Gluten, Wheat, Lactose, Artificial Flavor, Sweetener, Preservatives & Non-GMO
- NOW's Spirulina 1000 mg tablets are certified organic and non-GMO. These tablets have naturally occurring vitamins, minerals and GLA.
- This double strength product has twice the Spirulina (1,000 mg per tablet) as in our regular strength product (500 mg per tablet)
- USDA Organic, Non-GMO, Genuine Whole Foods, Quality GMP Assured, Vegan/Vegetarian, Soy Free
- GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
- Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
- NOW's certified organic and non-GMO spirulina powder is a nutrient rich superfood that is the perfect addition to your smoothies!
- This is pure, certified organic spirulina that is rich in beta-carotene (vitamin A) and the highest known vegetable source of B-12
- USDA Organic, Non-GMO, Kosher, Halal, Quality GMP Assured, Vegan/Vegetarian, Soy Free, Sugar Free
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
- Packaged in the USA by a family owned and operated company since 1968
- Organic Spirulina & Chlorella Supplement: This Green Superfood Blend combines Spirulina, Chlorella, Alfalfa, and Wheatgrass to help support balanced nutrition and overall well-being. A great option for health-conscious adults looking to complement their...
- Nutrient-Dense Formula: Spirulina provides proteins, phytonutrients, and trace minerals, while Chlorella delivers vitamins, minerals, and all nine essential amino acids. Together, they help support vitality and daily energy as part of a balanced...
- Organic Alfalfa & Wheatgrass: Formulated with Alfalfa and Wheatgrass, two nutrient-rich greens that help support natural energy, immune health, and overall wellness. Provides vitamins, minerals, and antioxidants that contribute to daily vitality.
- Daily Energy & Wellness Support: Whether you’re powering through long days, recovering from workouts, or maintaining everyday balance, this superfood blend helps replenish nutrients to support energy metabolism and digestive wellness. Supports the...
- Quality You Can Trust: Our vitamins and supplements are crafted by health experts and manufactured in the USA with globally sourced ingredients. Our Spirulina & Chlorella supplement is non-GMO, free of major allergens, gluten-free, and manufactured in a...
- SUPER GREEN/500 mg PER TABLET: Spirulina is a blue-green microalgae that has naturally occurring nutrients such as vitamins, minerals and GLA (gamma-linolenic acid).
- NUTRIENT RICH: NOW Certified Organic delivers the natural nutrient profile found in genuine whole foods.
- CLASSIFICATIONS/CERTIFICATIONS: USDA Certified Organic, Non-GMO Project Verified, Vegan/Vegetarian, Kosher, Soy Free
- GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
- Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
- You will receive one (1) tub of Organic Super Greens Powder, 25 servings with 1 gram of sugar per serving and 0 grams added sugar
- Superfood Formulation: Potent, nutrient-filled super greens powder with antioxidant superfoods, probiotics, digestive enzymes, matcha powder, and adaptogenic herbs for easy nutrition
- Healthy Gut: Supports healthy digestive function, detoxification, healthy energy, reduces occasional gas & bloating, and helps maintain healthy gut microflora with chlorella, spirulina, elderberry, ginger, and full servings of fruits and vegetables
- Simple and Easy to Use: Just add one scoop with 8 ounces of water to your favorite hot or cold recipe for 25+ superfoods, daily greens nutrition in a powdered form perfect for on the go
- Our formulas are informed by ancient wisdom and backed by modern science; We use clinically-studied ingredients, backed by research and tested by accredited 3rd party labs for efficacy, GMP Certified for safety and all products are made in the U.S.A.
- You will receive (1) container of Organic SuperGreens Tablets, 90 count..
- SUPERFOOD FORMULATION: Potent, nutrient-filled super greens tablets with antioxidant superfoods, probiotics, organic fermented moringa, and adaptogenic herbs for easy nutrition..
- HEALTHY GUT: Supports healthy digestive function, detoxification, healthy energy, reduces occasional gas & bloating, and helps maintain healthy gut microflora with the chlorella, spirulina, elderberry, ginger, probiotics and organic fruits and...
- SIMPLE AND EASY TO USE: Just take 3 tablets daily with a glass of water for 25+ superfoods, daily greens nutrition in a convenient, time-saving tablet perfect for on the go..
- Our formulas are informed by ancient wisdom and backed by modern science; We use clinically-studied ingredients, backed by research and tested by accredited 3rd party labs for efficacy, GMP Certified for safety and all products are made in the U.S.A..
This article is part of our complete guide Vitamins & Supplements — browse all our comparisons and buying guides.
Last update on 2026-07-23 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Spirulina Nutritional Supplements
What to Look For in Spirulina Supplements
When choosing a spirulina supplement, several factors are paramount to ensure you're getting a pure and effective product. Prioritize supplements that are third-party tested for contaminants like heavy metals and microcystins, which can sometimes be present in algae. Look for organic certifications, as this indicates the spirulina was grown without synthetic pesticides or fertilizers. The form of the supplement—powder, tablets, or capsules—is largely a matter of personal preference and ease of use.
Understanding Dosage and Potency
Spirulina supplements come in various potencies, often indicated by the concentration of spirulina per serving. Standard dosages typically range from 1 to 10 grams per day, depending on the intended use and individual needs. It's advisable to start with a lower dose and gradually increase it to assess tolerance. Always check the label for the recommended serving size and the amount of spirulina provided. Consulting with a healthcare professional can help determine the optimal dosage for your specific health goals.
Source and Processing Matters
The origin and processing methods of spirulina can significantly impact its quality. Opt for spirulina sourced from reputable farms that maintain strict quality control standards. Look for information on how the algae is cultivated, harvested, and processed. Methods like spray drying or freeze-drying are generally preferred for preserving nutrient integrity compared to high-heat drying. Understanding the supply chain can provide assurance of the product's overall quality and safety.