Best Organic Spirulina Supplements of 2025

The Organic Spirulina Supplement from Micro Ingredients is a premium, 100% USDA organic spirulina tablet made from arthrospira platensis powder. With 3000mg per serving and 720 counts per bottle, this supplement is a 4-month supply of green algae superfood that is vegan-friendly, filler-free, and irradiation-free. It is loaded with vegan protein, fiber, amino acids, fatty acids, immune vitamins, minerals, flavonoids, phytonutrients, and antioxidants. This supplement powerfully supports energy, colon health, digestive function, and immune system. It is also 3rd party lab tested for purity and safety, and made in the USA.

The Organic Spirulina Tablets from Triquetra Health are made with Parry Organic Spirulina, the purest and most nutrient-dense Spirulina in the world. With the most robust and potent nutrient profile, this Spirulina provides maximum nourishment with every tablet. It is the only raw certified Spirulina, maintaining its robust "living" enzymatic activity, making its nutrients more bioavailable. With four organic certifications, this Spirulina meets the rigid organic standards of every major organic and quality certifying body. It is also free of yeast, mold, E. Coli, BMAA, microcystins, pheophorbides, irradiation, chemical treatment, gluten, GMOs, solvents, binders, soy, and gelatin.

Get your daily dose of nutrient-rich superfood with NOW Supplements Certified Organic Spirulina 1000mg Tablets. This double-strength product has twice the amount of Spirulina, featuring beta-carotene (Vitamin A) and Vitamin B-12, as in the regular strength product. It is USDA Organic, Non-GMO, and suitable for vegans and vegetarians. NOW Supplements is a family-owned and operated company since 1968, and their products are GMP Quality Assured.

Carlyle Spirulina Tablets offer you the benefits of organic blue-green algae, a renowned superfood packed with nutrients. Each convenient vegetarian tablet contains 3,500 mg of Spirulina, making it easy to incorporate into your daily routine. Carlyle is committed to providing high-quality supplements, ensuring that you receive trusted ingredients for your health journey. Plus, these tablets are free from gluten, wheat, lactose, artificial flavors, sweeteners, and preservatives, so you can feel good about what you're putting into your body.

NOW Organic Spirulina Tablets provide you with a super green boost containing 500 mg per serving of protein, vitamins, minerals, and GLA. These pure tablets are USDA Certified Organic, Non-GMO Project Verified, and suitable for vegans/vegetarians. With GMP Quality Assurance, every aspect of manufacturing is top-notch. Packaged in the USA by a family-owned company, these tablets are convenient and rich in nutrients.

Organic Spirulina Powder from Kate Naturals is a nutrient-dense and protein-packed supplement that is USDA certified, natural, non-GMO, and gluten-free. It is a great source of essential vitamins and minerals, such as essential amino acids, supportive antioxidants, and iron. It also has anti-inflammatory properties due to its high antioxidant content. The powder is conveniently packaged in a resealable container and comes with a 100% satisfaction guarantee.

Piping Rock Spirulina Capsules are a superior quality, non-GMO and gluten-free supplement designed to support your healthy lifestyle goals. These blue-green algae pills are devoted to purity, potency, and safety and have been laboratory tested using trusted ingredients. With 300 tablets per bottle, this supplement is both convenient and a great value.

Probase Spirulina Supplement is an organic spirulina tablet made from Spirulina Powder Organic. Each serving of these tablets contains 3000mg of spirulina, providing you with a 4-month supply of this green algae superfood. The tablets are vegan-friendly and free from GMOs, additives, fillers, preservatives, stabilizers, artificial colors, and artificial flavors. They are also non-irradiated. This all-natural blue-green algae is a rich source of vitamins, minerals, chlorophyll, and gamma-linolenic acid (GLA). It is loaded with beneficial nutrients such as fiber, amino acids, fatty acids, immune vitamins, minerals, flavonoids, phytonutrients, and antioxidants. Incorporating Probase Spirulina Supplement into your diet can support your overall health and well-being, providing you with convenient and easy access to the nutritional benefits of spirulina.

Dr. Mercola Organic Spirulina Dietary Supplement is a high-quality source of protein, containing 30 servings (120 tablets) per bottle. Gluten-free and USDA Organic, it supports normal immune and inflammatory responses. Produced by a world-class supplier with over 40 years of experience growing spirulina, the formula is made from whole-food spirulina, providing the majority of its natural cofactor, enzymes, vitamins, and minerals. The product comes with a full 30-day money-back guarantee.

Nutricost Organic Spirulina Tablets is a high-quality spirulina supplement that offers numerous benefits for your health. Each tablet contains 500mg of organic spirulina, which is certified USDA organic by CCOF. With 240 tablets per bottle, this supplement provides a convenient and long-lasting supply. The non-GMO, soy-free, and gluten-free formula ensures that it is suitable for a wide range of dietary needs. Additionally, this product is manufactured in a GMP compliant, FDA registered facility, ensuring its quality and safety. Nutricost Organic Spirulina Tablets are an excellent choice for those looking to improve their overall well-being and support their nutritional needs.