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L-Carnitine / ALCAR
Full ranking Dose tool Products (813)
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)— Authoritative daily maximum: 2,000 mg
Median（Per day）434 mgP5 30 – P95 1,500
Products813
Sources: https://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq?atid=l.carnitine2&lang=eng · Health Canada NNHPD monograph: max 4 g L-carnitine/day and 2 g per single dose
Daily dose across products（mg/day）
Authoritative daily maximum 2,000
3 mglog scale · n=8133,000 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Top ranked
| Rank | Brand | Product | Per day | Score |
|---|---|---|---|---|
| 1 | Spring Valley | CoQ10 100 mg Plus L-Carnitine | 400 mg | 90.0 |
| 1 | Metagenics | L-Carnitine | 500 mg | 90.0 |
| 1 | MET-Rx | L-Carnitine 1000 mg | 2,000 mg | 90.0 |
| 1 | Metagenics | L-Carnitine with Chromium | 500 mg | 90.0 |
| 5 | The Vitamin Shoppe | Carnipure L-Carnitine 1000 mg | 1,000 mg | 88.0 |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.