Best Powder Spirulina Supplements of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Powder spirulina supplements are an excellent source of protein, vitamins, and minerals that can easily be added to any diet. This blue-green algae is incredibly nutrient-dense, containing high levels of antioxidants and anti-inflammatory compounds. It is also a great source of plant-based iron, making it a popular choice for vegetarians and vegans. Powder spirulina supplements can be added to smoothies, juices, and even baked goods for an extra boost of nutrition. With its impressive health benefits and versatility, it's no wonder that spirulina has become a popular supplement in the health and wellness community.
At a Glance: Our Top Picks
Top 10 Powder Spirulina Supplements
Organic Spirulina Powder - Kate Naturals
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.
Micro Ingredients Organic Spirulina Powder
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.
BulkSupplements.com Spirulina Powder - Superfood Supplement
BulkSupplements.com Spirulina Powder is a gluten-free and filler-free superfood supplement that contains 9g of pure Spirulina per serving. It is packed with antioxidants, vitamins, and minerals that are essential for overall wellness and supports immune health. You can easily add this pure and natural Spirulina supplement to your diet with any beverage of your choice. It is manufactured according to cGMP Standards to ensure the highest quality, and third-party tested at multiple stages during production to ensure compliance, standards, and consistency.
Carlyle Spirulina Powder
Carlyle Spirulina Powder is a vegan, non-GMO, gluten-free supplement made from blue-green algae. Each serving contains 8,000 mg of spirulina, making it a great source of protein and other essential nutrients. Customers have reported improved energy levels, better memory, and faster healing times. It has a mild, chalky, seafood-like flavor, and can be mixed with hot water or lemonade for a more palatable experience. It's also a great addition to fish food, as it helps enhance the color and immune system of the fish.
Organic Blue Spirulina Powder
Organic Blue Spirulina Powder from Lone Star Botanicals is a USDA certified organic superfood made from blue-green algae. It's packed with vitamins, minerals, iron, and antioxidants, and can be used to support the immune system, improve digestion, increase metabolism, and enhance energy levels. It's also great for creating Pinterest-worthy dishes with its vibrant blue pigment, and is vegan, gluten-free, dairy-free, soy-free, and non-GMO.
Zazzee USDA Organic Spirulina Powder
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.
Vimergy Spirulina Powder - 250g
Vimergy Spirulina offers a powerful plant-based protein source, delivering five times the protein found in eggs. This superfood powder is highly digestible, allowing you to quickly absorb its beneficial nutrients. You can easily mix it with water, juice, or smoothies for a convenient health boost. Loaded with phytonutrients, it supports your immune system and cardiovascular health, helping you maintain balanced cholesterol levels. Enjoy the versatility of this product by adding it to your favorite foods, such as yogurt or oatmeal, making it easy to enhance your daily nutrition.
KOS USDA Organic Spirulina Powder
KOS USDA Organic Spirulina Powder is a nutritious blue green algae packed with organic protein, amino acids, and vitamins & minerals such as calcium, vitamin B, iron, potassium, magnesium & niacin. It is a complete protein source that helps to revitalize muscles and promote digestion like a fiber supplement can. It is also rich in chlorophyll and powerful antioxidants that fight free radicals and reduce oxidative strain, providing immune system support. It is processed in a GMP & NSF certified facility and lab tested by a Verified Third Party to ensure purity, potency and quality.
Nutrex Hawaii Pure Hawaiian Spirulina Powder
Nutrex Hawaii Pure Hawaiian Spirulina Powder is a vegan supplement that supports the immune system, heart, cells, and energy. It is an excellent source of vitamins A, K1, K2, B12, iron, amino acids, carotenoids, antioxidants, and phycocyanin. Customers have praised its taste and quality, and the company provides lab results to ensure safety.
Double Wood Blue Spirulina Powder
Double Wood Blue Spirulina Powder is a highly nutritious superfood powder made from blue-green algae, perfect for mixing into smoothies and adding natural food coloring. With an oversized container for your convenience, you can rest assured that there is over 30 grams of Blue Spirulina per jar, providing a one-month supply of 1-gram servings with scoop included. This one-of-a-kind product offers a potent 35% Phycocyanin extract, with over 350mg Phycocyanin per serving. Double Wood Supplement's Blue Spirulina Powder is manufactured in the USA, gluten-free, and non-GMO.
During our powder spirulina supplement research, we found 24 powder spirulina supplement products and shortlisted 10 quality products. We collected and analyzed 154,420 customer reviews through our big data system to write the powder spirulina supplements list. We found that most customers choose powder spirulina supplements with an average price of $20.87.
The powder spirulina supplements are available for purchase. We have researched hundreds of brands and picked the top brands of powder spirulina supplements, including Kate Naturals, Micro Ingredients, BulkSupplements, Carlyle, Lone Star Botanicals. The seller of top 1 product has received honest feedback from 2,833 consumers with an average rating of 4.9.

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.