BioStacks
Best for
Ingredients (1)
Acetyl L-Carnitine HCl
100%Dose/day
1995 mg
Target
500–2000 mg
Form
—
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Take it anytime
Absorption is modest either way; taking it with carbohydrate-containing meals improves uptake.
With food
Split into 1.33 doses across the day
On the label
Take 2 to 3 capsules 2 to 3 times per day, or as directed by a healthcare.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$33.90
Near the median 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.