BioStacks
Best for
Ingredients (7)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
UC-II Standardized Chicken Cartilage
100%Dose
40 mg
Target
20–100 mg
Form
Premium
Boron
100%Dose
3 mg
Target
3–6 mg
Form
—
Total Collagen
50%Dose
10 mg
Target
20–100 mg
Form
Premium
Hyaluronic Acid
50%Dose
25 mg
Target
50–200 mg
Form
Standard
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
On the label
Take 1 capsule daily at bedtime on an empty stomach.
The label says to take it on an empty stomach, but what's in this absorbs poorly without dietary fat. Take it with a meal that has some.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.64
Near the median of 292 immune 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.