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Best Spirulina / chlorella products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 114 · Reference range: 250 – 8,000 mg (source) · Updated 2026-10-30
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 — Methodology · Spirulina / chlorella →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 tie |
Spirulina Nature's Sunshine · US NIH DSLD |
2,400 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina Spring Valley · US NIH DSLD |
400 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina 410 mg Solaray · US NIH DSLD |
1,230 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina 500 mg Swanson · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina 500 mg Vitamin World · US NIH DSLD |
4,500 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina Powder Vitamin World · US NIH DSLD |
7,000 mg | 90.0 | Breakdown
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| 1 tie |
Spirulina Powder The Vitamin Shoppe · US NIH DSLD |
3,000 mg | 90.0 | Breakdown
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| 8 tie |
Organic Spirulina Arthrospira Plantensis 21st Century · US NIH DSLD |
450 mg | 85.0 | Breakdown
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| 8 tie |
Spirulina + Chlorella Onnit · US NIH DSLD |
2,000 mg | 85.0 | Breakdown
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| 8 tie |
Spirulina 500 mg Puritan's Pride · US NIH DSLD |
4,500 mg | 85.0 | Breakdown
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| 8 tie |
Spirulina 750 mg Solgar · US NIH DSLD |
3,000 mg | 85.0 | Breakdown
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| 8 tie |
Spirulina Micro-Algae 760 mg Nature's Way · US NIH DSLD |
3,040 mg | 85.0 | Breakdown
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| 8 tie |
Spirulina Plant Plankton 750 mg Solgar · US NIH DSLD |
3,000 mg | 85.0 | Breakdown
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| 14 | Chlorella Tablets Prairie Naturals Health Products Inc. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
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| 15 tie |
100% Natural Hawaiian Spirulina Powder NOW · US NIH DSLD |
7,000 mg | 75.0 | Breakdown
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| 15 tie |
100% Natural Spirulina 500 mg NOW · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
California Spirulina Healths Harmony · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Certified Organic Spirulina 1000 mg LuckyVitamin · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Certified Organic Spirulina 1000 mg NOW · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Chlorella Powder Sun Potion · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Hawaiian Spirulina 600 mg LifeTIME · US NIH DSLD |
2,400 mg | 75.0 | Breakdown
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| 15 tie |
Hawaiian Spirulina Natural Vanilla Protein Shake Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina California Gold Nutrition · US NIH DSLD |
1,500 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina Herbadiet · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina Triquetra Health · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina 1 g Unflavored Nutricost Organic · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina 1 g Unflavored Nutricost · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina 5 g Amazing India · US NIH DSLD |
5,000 mg | 75.0 | Breakdown
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| 15 tie |
Organic Spirulina Tablet Form Triquetra Health · US NIH DSLD |
2,000 mg | 75.0 | Breakdown
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| 15 tie |
Pure Hawaiian Spirulina 1,000 mg Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Pure Hawaiian Spirulina 3,000 mg Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Pure Hawaiian Spirulina 500 mg Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Pure Hawaiian Spirulina Powder Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
|
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| 15 tie |
Pure Hawaiian Spirulina Spearmint Flavor Nutrex Hawaii · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
|
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| 15 tie |
Sea Moss with Spirulina 1000 mg Atlantic Naturals · US NIH DSLD |
500 mg | 75.0 | Breakdown
|
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| 15 tie |
Spirulina Gaia Organics DailyWellness · US NIH DSLD |
2,000 mg | 75.0 | Breakdown
|
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| 15 tie |
Spirulina New Sun · US NIH DSLD |
2,520 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Good State · US NIH DSLD |
6,000 mg | 75.0 | Breakdown
|
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| 15 tie |
Spirulina BRI Nutrition · US NIH DSLD |
2,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina MRM Nutrition · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
|
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| 15 tie |
Spirulina Pure Herbs · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina AN Amazing Nutrition Amazing Formulas · US NIH DSLD |
8,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina BioAnue · US NIH DSLD |
950 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Nature's Answer · US NIH DSLD |
2,400 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Purium Health Products · US NIH DSLD |
3,600 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Herbal Hills · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina GNC SuperFoods · US NIH DSLD |
4,500 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina GreeNatr Premium · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Herb Stop · US NIH DSLD |
2,598 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Dr. Rico Perez · US NIH DSLD |
500 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Thompson · US NIH DSLD |
1,260 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 1500 mg Evlution Nutrition · US NIH DSLD |
1,500 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 360 mg Jane Health · US NIH DSLD |
2,850 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 475 mg Christopher's Original Formulas · US NIH DSLD |
1,900 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 500 mg Herbal Secrets · US NIH DSLD |
2,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 500 mg Source Naturals · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 500 mg Sunshine Naturals · US NIH DSLD |
500 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 500 mg LuRoot · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 500 mg Blue-Green Algae Good 'N Natural · US NIH DSLD |
1,500 mg | 75.0 | Breakdown
|
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| 15 tie |
Spirulina 500 mg Capsules BulkSupplements.com · US NIH DSLD |
500 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina 8 g Nutricost · US NIH DSLD |
8,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina AstaBlue Complex California Gold Nutrition · US NIH DSLD |
1,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Blue Green Algae 500 mg CHK Nutrition · US NIH DSLD |
3,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Manna HealthForce SuperFoods · US NIH DSLD |
2,100 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Plus Indiana Botanic Gardens · US NIH DSLD |
2,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Powder Source Naturals · US NIH DSLD |
6,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Powder PureBulk.com · US NIH DSLD |
7,000 mg | 75.0 | Breakdown
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| 15 tie |
Spirulina Tablets 500 mg Stakich · US NIH DSLD |
500 mg | 75.0 | Breakdown
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| 69 tie |
Organic Spirulina Extract Herbadiet · US NIH DSLD |
2,000 mg | 73.0 | Breakdown
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| 69 tie |
Perfect Spirulina Perfect Supplements · US NIH DSLD |
2,800 mg | 73.0 | Breakdown
|
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| 69 tie |
Spirulina 410 mg Absorb Health · US NIH DSLD |
410 mg | 73.0 | Breakdown
|
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| 69 tie |
Spirulina 500 mg Vitabase · US NIH DSLD |
3,000 mg | 73.0 | Breakdown
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| 69 tie |
Spirulina 500 mg Totally Products · US NIH DSLD |
1,000 mg | 73.0 | Breakdown
|
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| 74 | Spirulina Nature's Sunshine Products of Canada Ltd. · Health Canada LNHPD |
400 mg | 72.8 | Breakdown
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| 75 tie |
100% Organic Spirulina 500 mg Vitamer Laboratories · US NIH DSLD |
3,480 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina ZHOU · US NIH DSLD |
3,850 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina Gold Plus Earthrise · US NIH DSLD |
3,300 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina Natural Capsules Earthrise · US NIH DSLD |
3,258 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina Natural Powder Earthrise · US NIH DSLD |
3,300 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina Natural Tablets Earthrise · US NIH DSLD |
3,300 mg | 72.0 | Breakdown
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| 75 tie |
Spirulina Organic Tablets Earthrise · US NIH DSLD |
3,420 mg | 72.0 | Breakdown
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| 82 tie |
Albi Blue Green Algae 1000 mg tablets Bona Vita Holdings Inc. · Health Canada LNHPD |
1,000 mg | 69.0 | Breakdown
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| 82 tie |
Albi Blue Green Algae 500 VegiCaps Bona Vita Holdings Inc. · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 82 tie |
Earthrise Spirulina Natural Capsules Earthrise Nutritionals LLC · Health Canada LNHPD |
600 mg | 69.0 | Breakdown
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| 82 tie |
Earthrise Spirulina Natural Powder Earthrise Nutritionals LLC · Health Canada LNHPD |
3,000 mg | 69.0 | Breakdown
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| 82 tie |
Earthrise Spirulina Natural Tablets Earthrise Nutritionals LLC · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 82 tie |
Genestra Brands¿ Chlorgen Seroyal International · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 82 tie |
Hawaiian Spirulina Distripharm Inc. · Health Canada LNHPD |
493 mg | 69.0 | Breakdown
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| 82 tie |
Mayaka International Inc. Spirulina 400 mg capsules Mayaka International Inc. · Health Canada LNHPD |
400 mg | 69.0 | Breakdown
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| 82 tie |
Mayaka International Inc. Spirulina and Red Ginseng Oral Liquid Mayaka International Inc. · Health Canada LNHPD |
1,000 mg | 69.0 | Breakdown
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| 82 tie |
ORGANIC CHLORELLA (Powder) Green Foods Corp. · Health Canada LNHPD |
3,000 mg | 69.0 | Breakdown
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| 82 tie |
SOLARAY®Chlorella (CHLORELLA PYRENOIDOSA) Au Naturel Inc. · Health Canada LNHPD |
410 mg | 69.0 | Breakdown
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| 82 tie |
Spirulina NuGale Pharmaceutical Inc. · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 82 tie |
Spirulina Alta Naturals Herbs & Supplements Ltd. · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 82 tie |
Spiruline Bio 9051-1916 Québec Inc. f.a.s.n Le Monde au Naturel · Health Canada LNHPD |
500 mg | 69.0 | Breakdown
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| 96 | Spirulina Natural Elements · US NIH DSLD below_ref |
210 mg | 68.6 | Breakdown
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| 97 tie |
Apple Cider Vinegar with Spirulina & Kelp 700 mg Zenwise Health · US NIH DSLD below_ref |
200 mg | 67.0 | Breakdown
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| 97 tie |
Spirulina Multiple Source Naturals · US NIH DSLD below_ref |
200 mg | 67.0 | Breakdown
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| 99 tie |
Herbafresh Organic Spirulina 500mg Tablets Fiberlife Health Products Inc. · Health Canada LNHPD |
500 mg | 62.0 | Breakdown
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| 99 tie |
Herbafresh Organic Spirulina Powder Fiberlife Health Products Inc. · Health Canada LNHPD |
3,000 mg | 62.0 | Breakdown
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.