BioStacks
Best for
Ingredients (1)
L-Carnitine Fumarate
100%Dose/day
2000 mg
Target
500–2000 mg
Form
Standard
Other Ingredients (7)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Natural Palm Leaf GlazeCoating
A plant wax from the carnauba palm leaf used as a tablet glaze and polish
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Absorption is modest either way; taking it with carbohydrate-containing meals improves uptake.
With food
Split into 2 doses across the day
On the label
Take 1 caplet two times daily, preferably on an empty stomach.
The label says to take it on an empty stomach. What's in this one sits better with food, and you give up little by taking it that way.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.