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.
- 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
- 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.
- 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...
- 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.
- SUPER GREEN/500 mg PER SERVING: Spirulina is a blue-green microalgae that has naturally occurring protein, plus other nutrients such as vitamins, minerals and GLA (gamma-linolenic acid)
- PURE, NUTRIENT RICH: NOW Certified Organic Spirulina Tablets are pure and contain no excipients, binders, or additives
- 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
- 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
- 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
- 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.
- SPIRULINA ALGAE SUPERFOOD – Made with plant-based spirulina, a blue-green algae widely used as a nutrient-dense superfood.
- NATURAL SOURCE OF PLANT PROTEIN – Spirulina naturally contains plant protein and bioactive nutrients commonly included in daily nutrition routines.
- DAILY ENERGY & WELLNESS ROUTINE – Designed for individuals who include nutrient-rich supplements as part of an active lifestyle.
- VEGAN PLANT BASED CAPSULES – Made with vegan capsules and plant-derived ingredients suitable for men and women.
- 100 CAPSULE DAILY SUPPLY – Each bottle provides 100 easy-to-swallow capsules for convenient everyday use.
- Balanced Gut & Greens Support: Synergistic blend combining gut-supportive nutrients with Spirulina and Chlorella to help maintain healthy digestion, energy, and daily vitality. Ideal for both men's and women's digestive health routines.*
- Gut Health Supports Digestive Balance: Formulated with probiotics, prebiotics, enzymes, and soothing herbs to help ease occasional bloating and promote a healthy gut microbiome for comfort and balance.*
- Chlorella & Spirulina Superfood Nutrition: A complete plant-based nutrient blend featuring organic Spirulina and Chlorella to help support natural energy, detox function, and immune balance—ideal for daily wellness or travel-friendly nutrition.*
- Daily Vitality & Gut Harmony: Take daily with meals or post-workout as part of your routine to help support overall energy and immune health. Works naturally with hydration and fiber to encourage steady energy and smooth digestion every day. Perfect for...
- Quality You Can Trust: Crafted by health experts and manufactured in the USA with globally sourced ingredients. Non-GMO, gluten-free, vegan-friendly, and made in a GMP-certified facility to ensure purity, potency, and consistent quality.
- These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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Last update on 2026-06-03 / 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.