BioStacks
Best for
Ingredients (3)
Acetyl-L-Carnitine HCl
100%Dose
600 mg
Target
500–2000 mg
Form
—
Phosphatidylserine
7%Dose
20 mg
Target
300–800 mg
Form
Premium
Alpha-Glycerophosphatidylcholine
200 mgNot in our database
Other Ingredients (6)
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the evening
Evening use targets nighttime cortisol; fat-soluble, so take with food.
With food
On the label
Adults take 2 capsules daily with a meal. Optimally take 2 servings per day for the first 15 days. For daily use.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$59.95
Pricier than 86% of 106 carnitine 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.