Best Spirulina Supplements
Compare 69+ Spirulina supplements using our data-driven ranking system. We analyze value (cost per unit of active ingredient), potency (strength per serving), and convenience (pills per day) to help you find the best option for your needs.
Top Picks in Spirulina
Best Overall
Sunfood, Super Algae Tablets Spirulina & Chlorella, 250 mg, Approx. 456 Tablets
Sunfood
Score: 99
Best ValueChristopher's Original Formulas, Kid-e-Mins™, Vitamins & Minerals, 2 fl oz
Christopher's Original Formulas
$0.24/serving
Highest PotencySunfood, Super Algae Tablets Spirulina & Chlorella, 250 mg, Approx. 456 Tablets
Sunfood
12000G/serving
All Spirulina Products (69)
Sunfood
Sunfood, Super Algae Tablets Spirulina & Chlorella, 250 mg, Approx. 456 Tablets
Score: 99$0.78/srv
★4.7(3,502)
Sunfood
Sunfood, Super Algae Tablets, Spirulina & Chlorella, 250 mg, Approx. 228 Tablets, 2 oz (57 g)
Score: 98$0.95/srv
★4.7(3,502)
Organic Traditions
Organic Traditions, Spirulina Powder, 5.3 oz (150 g)
Score: 96$0.26/srv
★4.6(269)
Nutricost
Nutricost, Organic Spirulina, Unflavored, 32.4 oz (907 g)
Score: 95$0.03/srv
★4.7(198)
HealthForce Superfoods
HealthForce Superfoods, Spirulina Manna™, 5.25 oz (149 g)
Score: 92$0.45/srv
★4.6(255)
Swanson
Swanson, Spirulina, 500 mg, 180 Tablets
Score: 91$0.04/srv
★4.8(3,262)
Nutricost
Nutricost, Organic Spirulina, 500 mg, 240 Tablets
Score: 89$0.05/srv
★4.8(913)
KOS
KOS, Organic Spirulina Powder, 13.5 oz (381 g)
Score: 87$0.22/srv
★4.6(438)
Swanson
Swanson, Spirulina Blue-Green Algae, Standardized, 90 Veggie Capsules
Score: 84$0.10/srv
★4.8(294)
BareOrganics
BareOrganics, Organic Spirulina Powder , 8 oz (227 g)
Score: 83$0.28/srv
★4.7(59)
KOS
KOS, Organic Luminous Blue Spirulina Powder, 1.4 oz (40 g)
Score: 81$1.13/srv
★4.6(109)
NATURELO
NATURELO, Vegan B12 Infused with Spirulina, 90 Easy Swallow Capsules
Score: 78$0.22/srv
★4.8(139)
Maxi Health
Maxi Health, Maxi SJW™, 60 Maxicaps
Score: 75$0.25/srv
Swanson
Swanson, Seaweed Vegetable Complex, 60 Veggie Capsules
Score: 73$0.24/srv
★4.6(194)
Christopher's Original Formulas
Christopher's Original Formulas, Kid-e-Mins™, Vitamins & Minerals, 2 fl oz
Score: 72$0.24/srv
★4.8(2,052)
Swanson
Swanson, Organic Spirulina & Astaxanthin, 120 Veggie Tabs
Score: 72$0.17/srv
★4.7(846)
Christopher's Original Formulas
Christopher's Original Formulas, Vitalerbs™ Extract, 2 fl oz (59 ml)
Score: 71$0.24/srv
★4.8(41)
Nature's Way
Nature's Way, St. John's Wort, 90 Vegan Capsules
Score: 70$0.21/srv
★4.5(234)
NOW Foods
NOW Foods, Certified Organic Spirulina Powder, 1 lb (454 g)
Score: 68$0.19/srv
★4.6(1,247)
Nutricost
Nutricost, Spirulina, 180 Capsules (500 mg per Capsule)
Score: 68$0.50/srv
★4.7(95)
Showing 20 of 69 products