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Each claim on this page links directly to a peer-reviewed study, government publication, or official database entry.
Nutritional Profile
Approximate values per 10g (2 tsp) serving of dried spirulina powder. Exact values vary by source, processing, and batch.
| Nutrient | Approx. Value / 10g | Why It Matters | Source |
|---|---|---|---|
| Protein | ~5.7g | Amino acids for muscle repair, energy metabolism, and daily function | USDA FoodData Central #170495 |
| Iron | ~2.8mg | Supports normal energy metabolism and oxygen transport in blood | USDA FoodData Central #170495 |
| Copper | ~0.6mg | Supports normal iron metabolism and nervous system function | USDA FoodData Central #170495 |
| Vitamin B1 (Thiamin) | ~0.17mg | Supports normal energy metabolism and nerve function | USDA FoodData Central #170495 |
| Vitamin B2 (Riboflavin) | ~0.34mg | Plays a role in energy production and red blood cell formation | USDA FoodData Central #170495 |
| Vitamin B3 (Niacin) | ~1.2mg | Supports normal energy metabolism and reduction of tiredness | USDA FoodData Central #170495 |
| Phycocyanin | ~1.5–2g | Unique blue pigment with antioxidant properties studied for its activity | Romay et al., Curr Protein Pept Sci, 2003 (PMID 12678685) |
| Total Antioxidants (ORAC) | Varies by batch | Antioxidants help protect cells from oxidative stress | USDA FoodData Central #170495 |
All values are approximate and vary by product, source, and processing. Data sourced from USDA FoodData Central (FDC #170495).
Key Published Studies
Real peer-reviewed references from PubMed and verified nutrition journals. All links open in a new tab directly to the source.
Romay et al. — C-Phycocyanin Antioxidant Activity (2003)
What it studied: Antioxidant, anti-inflammatory, and neuroprotective properties of phycocyanin extracted from spirulina.
What it suggests: Phycocyanin may demonstrate antioxidant activity in laboratory and animal conditions.
What it does NOT prove: Does not confirm direct clinical benefit or that it prevents disease in humans.
Romay C et al. Curr Protein Pept Sci. 2003;4(3):207-16 — PubMed PMID 12678685Selmi et al. — Spirulina, Anaemia & Immune Function (2011)
What it studied: Effects of spirulina supplementation on anaemia markers and immune function in senior citizens.
What it suggests: Observed potential improvement in iron status and immune markers with spirulina intake.
What it does NOT prove: Not a confirmed treatment for iron-deficiency anaemia without medical supervision.
Selmi C et al. Cell Mol Immunol. 2011;8(3):248-54 — PubMed PMID 21254418Torres-Durán et al. — Spirulina and Lipid Profiles (2007)
What it studied: Antihyperlipemic and antihypertensive effects of Spirulina maxima in adults.
What it suggests: Observed potential favourable changes in blood lipid and pressure markers.
What it does NOT prove: Not a replacement for medical cholesterol management. Study was open-label, preliminary.
Torres-Durán PV et al. Lipids Health Dis. 2007;6:33 — PubMed PMID 18039384FAO — Spirulina as Human Food & Animal Feed (2008)
What it studied: Spirulina's role in addressing protein and micronutrient gaps globally; culture, production, and uses.
What it suggests: Recognised by FAO as a nutritious food source relevant to food security and nutrition contexts.
What it does NOT prove: Does not endorse spirulina as a universal supplement or primary food source.
FAO Fisheries & Aquaculture Circular No. 1034 (2008) — fao.orgGovernment & Global Programs
Spirulina has been referenced in government nutrition discussions and international programs. Linked directly to the original publications and official sources.
NASA — CELSS & Space Food Research
Spirulina has been discussed in NASA's Controlled Ecological Life Support System (CELSS) research as a candidate food source for long-duration space missions, due to its high nutrient density and efficient growth profile.
NASA Technical Reports Server — CELSS Research (NTRS 19890016190)FAO — Algae as Food for Humans (2008)
The Food and Agriculture Organization of the United Nations published a review on spirulina's production and use as food for humans, covering nutritional value, safety, and food security relevance globally.
FAO Fisheries & Aquaculture Circular No. 1034 — fao.orgIndia — FSSAI Novel Food Approval
The Food Safety and Standards Authority of India (FSSAI) has classified spirulina under its Novel Foods framework. The National Institute of Nutrition (NIN) also includes spirulina in its nutritional databases for Indian dietary reference.
FSSAI Guidance Document on Novel Food (2016) — fssai.gov.inWhat We Don't Claim
Honesty is part of the product.
- We do not claim spirulina cures, treats, or prevents any disease.
- We do not claim instant or guaranteed weight loss.
- We do not claim spirulina replaces medicines or medical treatment.
- We do not claim spirulina replaces a balanced, varied diet.
- We do not claim all spirulina products are equal in quality or safety.
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