Top Spirulina and Chlorella Brands for the Ultimate Green Boost

Chlorella and spirulina are two of the most popular superfoods, renowned for their high concentration of nutrients and potential health benefits. Both are types of algae packed with vitamins, minerals, and antioxidants, making them a sought-after choice for health enthusiasts who wish to bolster their nutrition intake. With the market offering a wide array of options, selecting the right brand can be a daunting task due to differences in quality, sourcing, and processing methods. To assist you in making an informed decision, we have compiled a list of the best brands for chlorella and spirulina that stand out for their commitment to quality and purity. Explore the brands below to find one that suits your health goals and dietary preferences.

Illustration of chlorella, spirulina

Best brands of chlorella, spirulina in 2025

Sun Chlorella

Sun Chlorella, a renowned brand, stands out as a leading producer of high-quality chlorella and spirulina products. In 2024, the chlorella market, which includes brands like Sun Chlorella, is expected to be dominated by the powder segment, accounting for 70% of the market share. Europe, a significant market for these products, is projected to hold the largest share of 38.0% of the global chlorella market in 2024. Sun Chlorella's products, such as their spirulina and chlorella tablets, are sourced from Taiwan and South Korea, utilizing outdoor and controlled indoor pools for cultivation. These products are highly valued for their nutritional profile, including essential amino acids, vitamins, and minerals.

HealthForce SuperFoods

HealthForce SuperFoods is renowned for its high-quality chlorella and spirulina products, leveraging advanced growing and processing techniques to maximize nutrient bioavailability. Their Chlorella Manna is a complete protein source containing 50-60% protein and all nine essential amino acids, with a unique porous cell wall for enhanced digestibility. Spirulina Manna(tm), another flagship product, boasts 60-70% protein content and is rich in phycocyanin, offering potent antioxidant properties. Both products are certified organic, vegan, kosher, and gluten-free, adhering to stringent TruGanic(tm) standards to ensure purity and quality. Manufactured in FDA-registered facilities, these products embody the brand's commitment to nutritional excellence.

NOW Foods

NOW Foods is renowned as one of the top producers of high-quality chlorella and spirulina supplements, known for their stringent quality control and commitment to nutritional excellence. Their spirulina products, such as those from the Arthrospira platensis species, are rich in protein, essential amino acids, vitamins, and minerals, making them highly sought after in the health and wellness industry. With a focus on organic and non-GMO ingredients, NOW Foods aligns with the growing demand for clean-label and healthy food items. The market for such products is projected to expand significantly, with the spirulina protein market expected to grow at a 7.5% CAGR from 2024 to 2032. This growth is driven by increasing R&D initiatives and the rising awareness of the health benefits of spirulina.

Nutrex Hawaii

Nutrex Hawaii is renowned as one of the premier producers of spirulina and chlorella, leveraging its unique farm-to-bottle approach in the ideal growing conditions of Kona, Hawaii. Founded in 1990 by Dr. Gerald Cysewski, the company has grown to distribute its products in over 66 countries, with its Hawaiian Spirulina and BioAstin Hawaiian Astaxanthin being the nation's #1 brands in their respective categories. The spirulina is cultivated using mineral-rich deep ocean water and pure spring water, ensuring high nutritional value. Nutrex Hawaii's products are Non-GMO Project Verified, gluten-free, Kosher, and Halal, reflecting the company's commitment to quality and purity. The meticulous processing, including cool drying and nitrogen flushing, preserves the enzymes and nutrients of the microalgae. For more detailed information, visit their official website.

Pure Synergy

Pure Synergy is a renowned brand that stands out for its high-quality chlorella and spirulina products, leveraging the nutritional potency of these microalgae. Chlorella and spirulina, which account for over 90% of global microalgal biomass production, are rich in chlorophylls, carotenoids, and other essential nutrients. Pure Synergy's superfood capsules incorporate bioavailable protein from these sources, along with other nutritious ingredients like sprouted quinoa and vitamin A. This blend supports overall health and wellness, making it a popular choice among health-conscious consumers. With its commitment to using sustainable and bioavailable ingredients, Pure Synergy enhances the nutritional benefits of these microalgae. For more detailed information, visit their Pure Synergy Superfood page.

Micro Ingredients

Micro Ingredients is a renowned brand for producing high-quality organic spirulina and chlorella, capitalizing on the growing demand for these microalgae in health products. The European market for these products is expected to grow significantly, with the spirulina market predicted to reach $157 million by 2030, growing at a rate of over 13% annually. Chlorella and spirulina from Micro Ingredients are valued for their nutritional benefits, including high protein levels, antioxidant properties, and essential vitamins and minerals. The brand's products are particularly popular among the increasing number of vegans and vegetarians, with Europe seeing a 21% increase in plant-based food sales between 2020 and 2022. Micro Ingredients' organic spirulina and chlorella blends are designed to provide comprehensive nourishment, making them a preferred choice in the health supplement market.

Terrasoul Superfoods

Terrasoul Superfoods is a renowned brand for producing high-quality chlorella and spirulina products, known for their nutrient-dense and organic offerings. Their chlorella powder, grown in Taiwan, is rich in chlorophyll, protein, and essential vitamins like B6 and B12, with a high protein content of 75% per 1/2 teaspoon serving. The brand ensures all products are free of fillers, additives, and preservatives, and are packaged in facilities that maintain strict quality standards. With a commitment to environmental sustainability and customer satisfaction, Terrasoul Superfoods is a trusted name in the superfood market. The global chlorella market, which includes brands like Terrasoul, is projected to grow at a CAGR of 11.5% from 2024 to 2031, reflecting increasing consumer demand for natural and nutrient-dense supplements.

Organicburst

Organic Burst stands out as a premier producer of chlorella and spirulina, sourcing these superfoods from a small organic farm in Southern Taiwan, surrounded by dense rainforests and pure mineral water. Their chlorella is 2x more digestible due to a unique cell wall cracking process and contains up to 70% protein along with all nine essential amino acids. Spirulina from Organic Burst is free from Chilean Nitrate and other contaminants, and it has been shown to increase insulin sensitivity by 224.7% in just 8 weeks. Both products are tested at every stage for purity and are free from heavy metals, BMAA, and radiation. This commitment to quality and sustainability makes Organic Burst a trusted choice for those seeking high-quality superfood supplements.

BIOREAL Health

BIOREAL Health is renowned as one of the top producers of chlorella and spirulina, leveraging these microalgae for their high nutritional value, including high protein content, vitamins, and antioxidants. Chlorella and spirulina from BIOREAL Health are valued for their health benefits, such as lowering heart disease risk and improving blood sugar management. These products are rich in essential nutrients; for instance, chlorella is higher in omega-3 fatty acids, vitamin A, and iron, while spirulina is a rich source of phycocyanin and other vital minerals. The global microalgae market, dominated by spirulina with a 38% market share in 2023, is expected to grow at a CAGR of 8.5% during the forecast period, with BIOREAL Health contributing to this growth through its high-quality products. The company ensures strict quality control to avoid contaminants like heavy metals, which is crucial for consumer safety.

KOS

KOS brand is renowned as one of the leading producers of high-quality chlorella and spirulina, leveraging advanced cultivation methods such as autotrophic cultivation, which accounts for 95.4% of the chlorella market due to its efficiency and cost-effectiveness. Their products, particularly chlorella vulgaris, command a significant market share of 53.3% due to their high lipid productivity, sustainable production, and immune-boosting properties. The chlorella pyrenoidosa or sorokiniana segment, also produced by KOS, is expected to grow at a CAGR of 6.4% during the forecast period of 2024-2031, driven by its rapid growth rate and high nutritional content. KOS ensures high standards in their production, aligning with the global demand for natural and sustainable superfoods. Their commitment to quality and sustainability makes them a trusted name in the microalgal industry.