BioStacks
Best for
Ingredients (12)
Vitamin B12
6%Dose
15 mcg
Target
250–5000 mcg
Form
Premium
Vitamin B-6
20%Dose
5 mg
Target
25–100 mg
Form
Premium
Vitamin A
100%Dose
1500 mcg RAE
Target
700–1500 mcg
Form
Budget
Milk Thistle Extract
100%Dose
150 mg
Target
150–600 mg
Form
Budget
L-Methionine
75%Dose
150 mg
Target
200–1000 mg
Form
—
Other Ingredients (4)
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamin A in it absorbs poorly without one.
With a meal containing fat
On the label
Take 3 capsules per day with meals or as directed by your health-care practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$31.99
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. studied 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.