Best Natural Spirulina Supplements of 2025

NOW Foods Spirulina Tablets are a powerful superfood supplement packed with essential nutrients. With a double strength of 1000 mg per tablet, you get more spirulina powder to support your health. This organic supplement is certified by a third party, ensuring it meets high standards. It is rich in Vitamins A and B-12, providing vital nutrients that can help enhance your overall well-being. Additionally, for every 20 bottles sold, a tree is planted, allowing you to contribute to a greener planet while taking care of your health.

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.

NOW Supplements' Natural Spirulina 500mg capsules are packed with numerous health benefits, including naturally occurring beta-carotene (vitamin A), vitamin B-12, protein, and GLA (gamma linolenic acid). Spirulina also contains naturally occurring minerals, trace elements, cell salts, amino acids, and enzymes. The product delivers the natural nutrient profile found in Genuine Whole Foods. Each capsule contains 500mg of Spirulina, and each 6 capsule serving contains 3,000mg.

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.

Nutrex Hawaii, Pure Hawaiian Spirulina Tablets are an immune-boosting superfood that aid in detox, energy and immune support. These tablets have 3,900% more beta carotene than carrots and 31 times more antioxidant activity than blueberries. They are packed with protein, iron, vitamin K, chlorophyll, and phycocyanin. This product is grown on a Kona Coast farm and is USA GMP certified, ensuring the highest quality and safety. Additionally, it is Vegan, Kosher, Halal, Gluten, and Soy-free, with no added fillers, preservatives, or dyes.

HCL HERBAL CODE LABS Spirulina Capsules are the purest and safest organic spirulina capsules available. Made from certified organic non-irradiated spirulina powder, these capsules are harvested from clean water sources and produced in compliance with the highest industry standards. Each serving of these nutrient-dense vegan superfoods provides 3000 mg of spirulina, which is packed with proteins, vitamins, minerals, antioxidants, and chlorophyll. The spirulina in these capsules is also known for its detoxifying properties, binding with harmful particles and breaking them down. With HCL HERBAL CODE LABS Spirulina Capsules, you can enjoy the convenience of easy-to-swallow veggie capsules and the assurance of a 100% money-back guarantee if you're not satisfied. Embrace a natural approach to your healthy living with these organic spirulina capsules.

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.

Zazzee USDA Organic Spirulina Powder is a 100% pure and non-irradiated vegan supplement that comes in a 2.2 pound (1 KG) container with 303 servings. It is USDA certified organic, third-party tested, and free of heavy metals, herbicides, pesticides, fertilizers, microcystin, nitrates, BMAA, mold, yeast, and chemicals. The container is mess-free and easy to open and close, and the powder can be cleanly accessed through the wide top opening. It is manufactured in the USA in a fully compliant facility with adherence to good manufacturing policies and under the most stringent quality control.

NOW Organic Spirulina is a pure, certified organic, and non-GMO superfood that is rich in beta-carotene (vitamin A) and B-12. As the highest known vegetable source of B-12, it's perfect for those following a vegan or vegetarian diet. It's also packed with naturally occurring GLA and chlorophyll. The USDA Organic, Non-GMO, Kosher, Halal, Quality GMP Assured, Vegan/Vegetarian, Soy Free, and Sugar-Free attributes make it a safe and healthy choice for everyone. Adding NOW Organic Spirulina to your smoothies can help boost your immune system, improve your energy, and support overall health and wellness.

Source Naturals Spirulina Tablets are a high-quality protein source containing all nine essential amino acids. Suitable for vegetarians, it contains no yeast, dairy, egg, gluten, corn, soy or wheat, nor any sugar, starch, preservatives, or artificial color, flavor or fragrance. Suggested use is six tablets daily with meals. Source Naturals has been trusted for over 35 years, and their facility is located in Scotts Valley, California.