BioStacks
Best for
Ingredients (13)
Phosphorus
100%Dose
113 mg
Target
100–500 mg
Form
—
Potassium
93%Dose
92 mg
Target
99–500 mg
Form
—
Magnesium
55%Dose
55 mg
Target
100–400 mg
Form
Not listed
Niacin
8%Dose
2 mg
Target
25–500 mg
Form
—
Copper
20%Dose
200 mcg
Target
1000–2000 mcg
Form
Not listed
Other Ingredients (2)
Chia SeedFood
Ground chia seed used as a food-based carrier and fiber source.
FlaxseedFood
Ground or whole flaxseed added as a food-based carrier and fiber source.
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with food — the zinc, niacin and potassium in it are what makes this kind of product feel nauseating on an empty stomach.
With food
Space it a couple of hours from Iron and Calcium
On the label
Uses:
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$11.89
Cheaper than 73% of 632 vitamin D 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.