BioStacks
Best for
Ingredients (5)
Parry's VegetarianCertified Organic Spirulina™
100%Dose/day
3000 mg
Target
1000–3000 mg
Form
—
Selenium†
100%Dose/day
3750 mcg
Target
100–200 mcg
Form
Not listed
Chromium†
5%Dose/day
10.5 mcg
Target
200–1000 mcg
Form
Not listed
Iron†
0.7 mgTrace amount — not scored
Magnesium†
6 mgTrace amount — not scored
Other Ingredients (1)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
How to Take It
Take it anytime
Take with food. The gap between an effective dose and too much is narrow — don't stack several selenium sources.
With food
Split into 3 doses across the day
On the label
As a dietary supplement, take two tablets three times per day with water.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$8.79
Cheaper than 89% of 171 iron supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
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.