BioStacks
Best for
Ingredients (8)
Zeaxanthin
100%Dose
3 mg
Target
2–4 mg
Form
—
California Grown Spirulina
100%Dose
3500 mg
Target
1000–3000 mg
Form
—
Potassium
56%Dose
55 mg
Target
99–500 mg
Form
—
Vitamin K
33%Dose
30 mcg
Target
90–200 mcg
Form
Not listed
Gamma-Linolenic Acid
19%Dose
46 mg
Target
240–1000 mg
Form
—
Other Ingredients (1)
100% Spirulina
Not reviewed yet
How to Take It
Take it anytime
Fat-soluble — take with a meal containing fat for better absorption. Time of day doesn't matter.
With a meal containing fat
On the label
Take 1 scoop (3.5 g) daily with or between meals. Enjoy mixing into juices, smoothies, or other favorite recipes.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$27.99
Pricier than 73% of 19 zeaxanthin supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.