Best Spirulina Supplements for Heart Health of 2026

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.

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.

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.

Micro Ingredients Organic Spirulina Powder is a USDA certified organic powder that is rich in vegan protein, enzymes, fiber, amino acids, flavonoids, vitamins, minerals, chlorophyll, phytonutrients, and antioxidants. It is free of GMOs, additives, preservatives, fillers, artificial colors, flavors, soy, and gluten. Customers have found it to be a great addition to smoothies, and have noted its effectiveness in keeping their pets healthy and flea-free.

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.

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.

Micro Ingredients Blue Spirulina is a vibrant blue powder made from organic blue-green algae. This nutrient-rich spirulina is perfect for enhancing shakes, acai bowls, and baked goods without any fishy odor. You can easily incorporate it into your meals at any time of day, adding a stunning natural color to your dishes while boosting your nutrient intake. It’s packed with vegan protein, vitamins, and antioxidants that may help support your immune system, brain health, energy levels, and skin complexion. Enjoy the convenience of a wholesome superfood that elevates your culinary creations.

Get your daily dose of one of nature's original superfoods with Nutrex Hawaii Pure Hawaiian Spirulina Tablets. Grown naturally on a sustainable farm in Hawaii, each tablet is packed with essential nutrients for overall health. This spirulina supplement supports healthy aging by boosting the immune system, providing nourishment for a healthy and active lifestyle, and supporting normal cholesterol and lipid profiles. It's an excellent source of vitamins A, K1, K2, B12, iron, amino acids, carotenoids, antioxidants, and phycocyanin. Plus, it's vegetarian, vegan, and free of GMOs, gluten, lactose, soy, pesticides, herbicides, and solvents. Take 6 tablets daily with or between meals and refrigerate after opening.

Amazing Grass Greens Blend Superfood Capsules is a blend of alkalizing farm fresh greens, fruits and vegetables and nutrient-rich superfoods that support overall health and immunity. It contains 2 full servings of fruits and vegetables and more organic greens compared to other blends. It is certified organic, gluten-free, plant-based, non-GMO, and kosher. Users can take up to 5 capsules a day.

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.