These are the top 10 spirulina right now, ordered by how many verified reviews each has earned, 426,103 in total across the list.
How we rank it: We rank Organic Spirulina, 60 Tablets (500 mg per Tablet) #1 for its standout value for money, which makes it our overall best spirulina pick.
How we rank it: We placed Organic Spirulina, 240 Tablets (500 mg per Tablet) at #2 thanks to its certified-organic formula.
How we rank it: At #3, Organic Spirulina, 720 Tablets earns its spot for its certified-organic formula.
How we rank it: At #4, Certified Organic Spirulina, 500 mg, 100 Tablets earns its spot for its strong balance of quality and price.
How we rank it: At #5, Certified Organic Spirulina, 500 mg, 500 Tablets earns its spot for its certified-organic formula.
How we rank it: Certified Organic Spirulina, 500 mg, 200 Tablets lands at #6 largely for NOW Foods's reputation for quality.
How we rank it: Spirulina, 1,000 mg, 120 Tablets lands at #7 largely for NOW Foods's reputation for quality.
How we rank it: Certified Organic Spirulina, 1,000 mg, 240 Tablets lands at #8 largely for its certified-organic formula.
How we rank it: Pure Hawaiian Spirulina®, 1,000 mg, 180 Tablets lands at #9 largely for Nutrex Hawaii's reputation for quality.
How we rank it: Pure Hawaiian Spirulina®, 500 mg, 400 Tablets lands at #10 largely for Nutrex Hawaii's reputation for quality.
| # | Product | Brand | Score | Rating | Reviews | Price | |
|---|---|---|---|---|---|---|---|
| 1 | Organic Spirulina, 60 Tablets (500 mg per Tablet) | California Gold Nutrition | 9.5 | 4.7 | 62,489 | $5.09 | View → |
| 2 | Organic Spirulina, 240 Tablets (500 mg per Tablet) | California Gold Nutrition | 9.5 | 4.7 | 62,488 | $12.60 | View → |
| 3 | Organic Spirulina, 720 Tablets | California Gold Nutrition | 9.5 | 4.7 | 62,487 | $30.73 | View → |
| 4 | Certified Organic Spirulina, 500 mg, 100 Tablets | NOW Foods | 9.7 | 4.8 | 59,226 | $6.11 | View → |
| 5 | Certified Organic Spirulina, 500 mg, 500 Tablets | NOW Foods | 9.7 | 4.8 | 59,225 | $22.13 | View → |
| 6 | Certified Organic Spirulina, 500 mg, 200 Tablets | NOW Foods | 9.7 | 4.8 | 59,222 | $11.01 | View → |
| 7 | Spirulina, 1,000 mg, 120 Tablets | NOW Foods | 9.7 | 4.8 | 16,643 | $13.46 | View → |
| 8 | Certified Organic Spirulina, 1,000 mg, 240 Tablets | NOW Foods | 9.7 | 4.8 | 16,642 | $23.26 | View → |
| 9 | Pure Hawaiian Spirulina®, 1,000 mg, 180 Tablets | Nutrex Hawaii | 9.5 | 4.7 | 13,841 | $29.99 | View → |
| 10 | Pure Hawaiian Spirulina®, 500 mg, 400 Tablets | Nutrex Hawaii | 9.5 | 4.7 | 13,840 | $32.99 | View → |
Our editorial team evaluates every product on the factors that matter most to shoppers, not just price.
We rank by verified customer reviews and rating. For added assurance, we recommend choosing products that carry independent third-party testing or certification. These organisations publish public standards and verified-product listings:
This guide is for general information only and is not medical advice. Consult a qualified professional before starting any supplement.
Organic Spirulina, 60 Tablets (500 mg per Tablet) is the lowest-priced pick at $5.09, with a 4.7/5 rating from 62,489 reviews.
We rank spirulina primarily by their number of verified customer reviews, a strong signal of real-world popularity, and factor in average rating. We never accept payment for placement.
This guide compares 10 of the most-reviewed spirulina available, ranked from most to least reviewed.
The products in this comparison were in stock at our last update (2026-09-05). Availability can change, so check the product page for current status.
Top-reviewed brands in this category include California Gold Nutrition, NOW Foods, Nutrex Hawaii.