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Blue-Green Algae

notesDescription

Blue-green algae, scientifically termed cyanobacteria, represent an ancient and diverse group of photosynthetic microorganisms predominantly found in aquatic environments. Renowned for their exceptional nutritional profile, species like Spirulina and Aphanizomenon flos-aquae (AFA) are celebrated as 'superfoods.' They offer a complete protein source, containing all essential amino acids, making them highly valuable for plant-based diets and overall cellular repair and growth. Beyond their protein content, blue-green algae are a concentrated source of an array of vital nutrients. These include a comprehensive spectrum of B vitamins (notably vitamin B12), vitamin K, and crucial minerals such as iron, magnesium, zinc, and selenium. Furthermore, they are abundant in potent bioactive compounds like phycocyanin—a unique blue pigment with antioxidant and anti-inflammatory properties—and chlorophyll, which supports detoxification and oxygenation. Regular incorporation of blue-green algae into the diet is associated with numerous health benefits, ranging from bolstering immune function and enhancing energy levels to aiding the body's natural detoxification processes. Their rich antioxidant profile helps combat oxidative stress, while the diverse nutrient content supports cognitive function, promotes skin health, and contributes to overall vitality and well-being.

ecoSources
Freshwater lakes and pondsAlkaline water bodies (e.g., Lake Klamath for AFA)Certain marine environments (some species)Cultivated bioreactors
cheapest Blue-Green Algae supplements
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Best Blue-Green Algae supplements
Discover the best blue-green algae supplements to support detoxification, reduce inflammation, boost immunity, and enhance energy levels.
Value Blue-Green Algae supplements
Explore top value Blue-Green Algae supplements chosen for their effectiveness in supporting detoxification, anti-inflammatory benefits, immunity, and energy.
scheduleTiming & Intake
scheduleAnytimerestaurantWith foodlocal_drinkTake with Water or juice
infoCan be taken daily, often split into multiple doses, with or without food. Taking with food may help mitigate mild digestive upset.
check_circleOptimal Dosage
Minimum1000 mg
Maximum3000 mg
report_problemSafety & Toxicity
track_changesGoals
Anti-Inflammatory Support
local_hospitalAnti-Inflammatory Support
Impact
High effect
Typical dose:1–5 grams
The primary anti-inflammatory compound in blue-green algae like spirulina is phycocyanin, which has been shown to inhibit the COX-2 enzyme and reduce oxidative stress. While highly effective, it is not typically considered as foundational as Fish Oil or Vitamin D, placing it firmly in the high-impact tier.
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Energy
boltEnergy
Impact
Moderate effect
Typical dose:1–5 grams
As a nutrient-rich whole food, blue-green algae can contribute to overall vitality by providing a broad spectrum of micronutrients. However, its effects are less direct and potent than targeted supplements for energy production, and benefits are most likely in those with suboptimal nutrient intake.
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Immunity
health_and_safetyImmunity
Impact
Moderate effect
Typical dose:1–5 grams
Spirulina and other blue-green algae can enhance the function of NK cells and macrophages. While beneficial for overall wellness and immune system readiness, it lacks the strong, targeted evidence for treating acute infections that higher-tier supplements possess.
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Detoxification
scienceDetoxification
Impact
Situational effect
Typical dose:1–5 grams
Blue-Green Algae, particularly Chlorella, acts primarily as a chelator within the gastrointestinal tract to bind heavy metals and prevent their absorption. Its role is specific and situational, rather than a foundational support for liver enzyme pathways. The original priority and type were too high for its specific application.
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sync_altInteractions

add_circle_outlinePositive Interactions

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Vitamin C
Vitamin C enhances the absorption of non-heme iron present in blue-green algae.
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Iron
Blue-green algae is a natural source of iron, complementing iron supplementation to support healthy red blood cell formation.
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Vitamin B12
Blue-green algae, particularly Spirulina, is a rare plant-based source of Vitamin B12, supporting nerve function and energy metabolism.
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Zinc
Blue-green algae contributes zinc, which works synergistically with other minerals for immune support and cellular health.
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Magnesium
Provides magnesium, an essential mineral for numerous bodily functions, complementing overall mineral intake.
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Folate
Blue-green algae contains folate, supporting cell growth and DNA synthesis.
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Chlorophyll
Blue-green algae is naturally rich in chlorophyll, enhancing its detoxifying and oxygenating properties.
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Astaxanthin
Both are powerful antioxidants that provide synergistic cellular protection against oxidative stress.
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Coenzyme Q-10
Both support cellular energy production and offer antioxidant benefits, enhancing vitality.
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Omega-3
Blue-green algae can contribute beneficial fatty acids, complementing Omega-3s for cardiovascular and brain health.
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Turmeric
Both possess strong anti-inflammatory and antioxidant properties, potentially offering enhanced benefits when combined.
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Green Tea
Both are rich in antioxidants, contributing to overall health and cellular protection.
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Gluthathione
Blue-green algae can support the body's natural glutathione production or provide precursors, enhancing detoxification.
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carotenoids
Blue-green algae contains various carotenoids (like beta-carotene), complementing other carotenoids for enhanced antioxidant benefits.
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Flavonoid
Blue-green algae's phytonutrients can work synergistically with other flavonoids for enhanced antioxidant and anti-inflammatory effects.

remove_circle_outlineNegative Interactions

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Activated Charcoal
Activated charcoal can absorb nutrients and beneficial compounds from blue-green algae, potentially reducing its efficacy if taken simultaneously or too close together.
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Ginkgo
Both Ginkgo and some components of blue-green algae may possess mild anti-platelet effects. Combining them could theoretically increase the risk of bleeding or bruising, especially in sensitive individuals.
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Omega-3
While generally beneficial, both Omega-3s and blue-green algae (at high doses) may have mild blood-thinning properties. Cumulative effects could theoretically increase bleeding risk in susceptible individuals.
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Fish Oil
Both Fish Oil and blue-green algae (at high doses) may exert mild blood-thinning effects. Consideration should be given to cumulative effects on blood clotting, particularly for individuals with bleeding disorders or on blood-thinning medication.
inventory_2Recommended products
65 Best Klamath Shores Blue Green Algae

Klamath Shores Blue Green Algae

American Health
4.8
★★★★★
(5 ratings)
Blue-Green Algae: 500 mg
A simple and focused Klamath Lake Blue-Green Algae supplement, offering a good number of servings for consistent daily use.
Buy for $24.49(from Pure Formulas)
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75 Best Standardized Spirulina 500 mg

Standardized Spirulina 500 mg

Swanson Ultra
4.8
★★★★★
(649 ratings)
Blue-Green Algae: 500 mg
This spirulina product offers a convenient, low-cost way to get a common dose of nutrient-rich blue-green algae for general health support.
Buy for $8.69(from Amazon)
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88 Best Organic Spirulina & Astaxanthin

Organic Spirulina & Astaxanthin

Swanson
4.6
★★★★★
(1027 ratings)
Blue-Green Algae: 950 mg
An outstanding blend of organic spirulina and astaxanthin, offering robust support at an excellent price point with strong customer approval.
Buy for $9.99(from iHerb)
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78 Best Spirulina Micro-Algae 760 mg

Spirulina Micro-Algae 760 mg

Nature's Way
4.6
★★★★★
(2884 ratings)
Blue-Green Algae: 760 mg
A straightforward and popular spirulina product from a trusted brand, known for its foundational nutritional support and high customer satisfaction.
Buy for $9.48(from Pure Formulas)
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72 Best Source of Life Multi-Vitamin & Mineral with Whole Food Concentrates Mini-Tabs

Source of Life Multi-Vitamin & Mineral with Whole Food Concentrates Mini-Tabs

Natures Plus
4.6
★★★★★
(76 ratings)
Blue-Green Algae: 1000 mg
A comprehensive multivitamin with good nutrient forms and a whole food blend, digestive enzymes, and adaptogens, but featuring a less extensive general bioflavonoid complex and requiring multiple mini-tabs per serving, offered in a larger package for better value.
Buy for $73.91(from iHerb)
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78 Best Organic Spirulina 2000 mg

Organic Spirulina 2000 mg

Dr. Mercola
4.7
★★★★★
(135 ratings)
Blue-Green Algae: 2000 mg
Dr. Mercola's Organic Spirulina delivers 2000 mg of this nutrient-dense algae in convenient tablets, suitable for general wellness and nutritional support.
Buy for $19.99(from Pure Formulas)
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88 Best Women's One Multiple

Women's One Multiple

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(42 ratings)
Blue-Green Algae: 50 mg
A comprehensive women's multivitamin with a wide array of vitamins, chelated minerals, botanical extracts, digestive enzymes, and a probiotic to support overall daily wellness.
Buy for $12.99(from Walmart)
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75 Best St. John's Wort 300 mg

St. John's Wort 300 mg

Nature's Way
4.4
★★★★★
(459 ratings)
Blue-Green Algae: 40 mg
This St. John's Wort supplement combines mood support with Rosemary for cognitive benefits and Spirulina for general nutritional upkeep, offering a well-rounded daily option.
Buy for $17.09(from Vitacost)
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68 Best Super CellZyme

Super CellZyme

TransFormation The Genesis of Good Health
5.0
★★★★★
(2 ratings)
Blue-Green Algae: 40 mg
Super CellZyme is a blend of various whole food greens, vegetables, and digestive enzymes, formulated to offer general daily nutritional and digestive support.
Buy for $36(from Pure Formulas)
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analyticsProduct stats
sellPrice per product
Average$29.94
Median$24.99
restaurantPrice per serving
Average$0.79
Median$0.66
sciencePrice per 10 mg
Average$0.03
Median$0.02
bar_chartPrice distribution
bar_chartPrice per serving distribution
bar_chartPrice per 10 mg
Reference amount: 10 mg
bar_chartPaired ingredients

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