BioStacks
Ingredients (11)
Pygeum extract (bark
100%Dose
100 mg
Target
75–200 mg
Form
—
Zinc
100%Dose
15 mg
Target
15–30 mg
Form
Standard
Saw palmetto extract (fruit
100%Dose
640 mg
Target
160–320 mg
Form
Budget
Selenium
70%Dose
70 mcg
Target
100–200 mcg
Form
Standard
Vitamin D
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (5)
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Hypoallergenic Plant FiberFiller
Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
How to Take It
Best taken in the morning
Contains Green Tea Leaf Extract, which is stimulating — keep it to the morning. Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Keep it away from iron-rich meals
Space it a couple of hours from Iron and Calcium
On the label
As a dietary supplement, take 3 capsules daily, with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$117.60
Pricier than 99% of 80 selenium 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.