BioStacks
Best for
Ingredients (1)
BioPQQ Pyrroloquinoline Quinone Disodium Salt
100%Dose
20 mg
Target
10–20 mg
Form
—
Other Ingredients (4)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Natural Cherry FlavorFlavor
A flavoring derived from natural cherry sources
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
On the label
As needed, take 1 lozenge by mouth with or without food, or use as directed by your healthcare professional. Do not take within 5 hours of bedtime as it may interfere with sleep.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$35.00
Near the median of 19 PQQ 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.