BioStacks
Best for
Ingredients (6)
Biotin
100%Dose
1000 mcg
Target
1000–5000 mcg
Form
—
Alpha-Lipoic Acid
90%Dose
270 mg
Target
300–600 mg
Form
Budget
Phosphorus
31%Dose
31 mg
Target
100–500 mg
Form
Standard
R-Alpha Lipoic Acid Sodium Salt
14%Dose
43 mg
Target
300–600 mg
Form
Premium
R-Alpha-Lipoic Acid
10%Dose
30 mg
Target
300–600 mg
Form
Budget
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
Vegetable/Confectioner's Glaze & WaxCoating
Plant-derived glaze or wax used as a tablet coating/polish.
How to Take It
Take it anytime
Take it between meals, away from food.
On an empty stomach
On the label
As a dietary supplement, 1 tablet one or two times daily with food, or as directed by a health care professional.
Labels usually say “with food” because it's gentler on the stomach, not because it absorbs better. Fasted absorbs more — start there, and switch to a light meal if it bothers you.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$34.69
Near the median of 18 phosphorus 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.