BioStacks
Best for
Ingredients (9)
Organic Haematococcus pluvialis algae
100%Dose
180 mg
Target
4–12 mg
Form
—
Astaxanthin
100%Dose
6 mg
Target
4–12 mg
Form
Not listed
Ceramide Peptide Blend
100%Dose
120 mg
Target
30–350 mg
Form
—
Vitamin C
72%Dose
18 mg
Target
25–200 mg
Form
Budget
Vitamin E
6%Dose
3 mg
Target
50–268 mg
Form
Premium
Other Ingredients (8)
BromelainEnzyme
Can cause GI upset, diarrhea, and allergic reactions (especially in people with pineapple or latex allergy). Interacts with blood thinners (warfarin, aspirin) — increases bleeding risk. May increase absorption of antibiotics.
PapainEnzyme
Can cause allergic reactions (especially in people with papaya or latex allergy). Interacts with blood thinners — increases bleeding risk. May cause GI irritation, throat swelling, or skin rash. FDA has banned papain in topical products due to allergic reactions.
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
Rice HullsAnti-caking
Ground outer husk of rice grains used as a plant-based flow and anti-caking agent
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
PullulanCapsule
Polysaccharide produced by fungal fermentation, used as a vegan capsule material
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Alginic AcidThickener
A seaweed-derived polysaccharide used as a thickener and disintegrant
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
Space it a couple of hours from Iron and Calcium
On the label
Adults, take 1 capsule daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$39.00
Pricier than 91% of 138 vitamin A 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.