BioStacks
Best for
Ingredients (7)
Betacarotene
100%Dose
1350 mcg
Target
700–1500 mcg
Form
—
Iron
100%Dose
20 mg
Target
15–45 mg
Form
Premium
Vitamin B6
20%Dose
5 mg
Target
25–100 mg
Form
Premium
Vitamin c
100%Dose
170 mg
Target
25–200 mg
Form
Budget
Vitamin B2
5%Dose
1.3 mg
Target
25–100 mg
Form
Budget
Other Ingredients
No other ingredients listed
How to Take It
Best taken in the morning
The Iron in it is what pulls this toward the morning. Take it with a meal containing fat — the vitamin A in it absorbs poorly without one.
With a meal containing fat
Iron does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.
Keep it away from coffee, tea and dairy
Space it a couple of hours from Calcium, Zinc, Magnesium, Manganese and Green Tea Leaf Extract
On the label
Adults Take 1 tablet once a day, or as prescribed by a health professional. Take with food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.