Swanson
L-Carnitine 500 mg

79/100
SUPPIE SCORE
62/100
EFFICACY
High
SAFETY
84/100
CLEANLINESS
What Does L-Carnitine 500 mg Do?
This supplement delivers 500 mg of L-carnitine base per tablet, targeted for cellular energy metabolism and exercise recovery where clinical evidence shows modest support.
Should I take this L-carnitine with food or on an empty stomach?
Is 500 mg of L-carnitine sufficient for workout recovery benefits?
Does this supplement interact with thyroid medications?
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What Are the Benefits of L-Carnitine 500 mg?
Based on proven scientific research
Exercise RecoveryModerate
Fat MetabolismMild
Aerobic CapacityMild
Good For:
What Are the Side Effects of Swanson L-Carnitine 500 mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•500 mg daily L-carnitine base studied up to 2 g/day with good tolerability in trials.
•GI symptoms such as nausea, abdominal discomfort, or diarrhea reported in some users.
•Possible fishy body odor at higher chronic intakes; not typical at 500 mg.
•Limited specific pregnancy data; studies up to 500 mg/day showed no clear issues but evidence is sparse.
Potential Side Effects
Negative Interactions
Allergens
No major allergens identified in standard formulations
Inactive Ingredients
Calcium carbonate
Low RiskMicrocrystalline cellulose (plant fiber). stearic acid
Low RiskMagnesium stearate
Low RiskAqueous film coating (purified water, hydroxypropyl methylcellulose, vegetable glycerin)
Low RiskSilica
Low RiskStearic acid
Low RiskWhat Are the Ingredients in Swanson L-Carnitine 500 mg?
15% L-Carnitine Base
500 mg
Calcium carbonate
microcrystalline cellulose (plant fiber). stearic acid
magnesium stearate
aqueous film coating (purified water, hydroxypropyl methylcellulose, vegetable glycerin)
silica
Stearic Acid
Dosage & Bioavailability
How the active doses and forms in L-Carnitine 500 mg compare to the research.
•15% L-Carnitine Base — 500 mg a day within the 500-2,000 mg/day studied range.
•15% L-Carnitine Base — standardised to 15% L-carnitine base, about 75 mg L-carnitine base a day.
Frequently Asked Questions
Common questions about Swanson L-Carnitine 500 mg