non-nutrient/non-botanical
L-Carnitine supplements
Half of the 1,338 L-carnitine supplements in the NIH label database that print an amount list 500 mg or less per serving; the middle half list 110.5 mg to 1,000 mg (DSLD version 9.4.0, January 2026). The 198 products whose only supplement ingredient is L-carnitine list a median of 500 mg.
- Products listing it
- 1,9221,338 print an amount; 581 list it inside a blend without an amount
- Median per serving
- 500 mgmiddle half 110.5 mg to 1,000 mg
How much L-carnitine do supplements contain?
The median product lists 500 mg per serving. One in ten lists 25 mg or less, one in ten 2,000 mg or more. The amount printed most often is 500 mg (260 products).
Products by amount of L-carnitine per serving
1,338 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most L-carnitine?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Liquid L-Carnitine 3150 Mandarin OrangeRich Piana 5% Nutrition3,150 mg
- Liquid L-Carnitine 3150 WatermelonRich Piana 5% Nutrition3,150 mg
- Triple Strength L- Carnitine Liquid 3000 mg Citrus FlavorNOW Sports3,000 mg
- Re-Pump Fruit PunchGNC Beyond Raw3,000 mg
- Re-Pump WatermelonGNC Beyond Raw3,000 mg
- Raspberry Flavor L-CarnitineThe Vitamin Shoppe Next Step3,000 mg
- 100% Platinum Carnitine Tropical CitrusMuscleTech Essential Series3,000 mg
- L-Carnitine 3000 Blue Raspberry1 Up Nutrition3,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 500 mg; those entered in 2025, 500 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 28 | 500 mg |
| 2012 | 70 | 500 mg |
| 2013 | 99 | 250 mg |
| 2014 | 89 | 333 mg |
| 2015 | 97 | 500 mg |
| 2016 | 91 | 1,000 mg |
| 2017 | 64 | 500 mg |
| 2018 | 83 | 500 mg |
| 2019 | 80 | 500 mg |
| 2020 | 120 | 500 mg |
| 2021 | 76 | 500 mg |
| 2022 | 102 | 500 mg |
| 2023 | 100 | 500 mg |
| 2024 | 111 | 500 mg |
| 2025 | 128 | 500 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing L-carnitine by DSLD product type
Brands listing it most: GNC Pro Performance AMP (37), AdvoCare (30), PS ProSupps (29), GNC Total Lean (21), Douglas Laboratories (19), BodyTech (19), ALLMAX (19), Body Attack Sports Nutrition (16), NOW Sports (14), Bricker Labs (13).
Every product listing L-carnitine
1,922 products, A to Z by name (page 15 of 39), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- GlucoBalanceBiotics Research Corporation30 mg
- Glucomannan+Swanson Best Weight-Control Formulas · off the market20 mg
- Glucomannan+Swanson20 mg
- Glutamine Fruit PunchGNC Accelerator · off the market500 mg
- Glutamine MildGNC Accelerator · off the market500 mg
- Glycemic Vibrance HVibrant Health83 mg
- Glycemic Vibrance H Natural Orange-Mango FlavorVibrant Health250 mg
- GlyProXTS Complete StackChampion Nutritionin a blend
- Gnx-9Millecor · off the marketno amount
- GNX-9 ThermogenicMillecorno amount
- Go Lean ProteinHoltraCeuticals500 mg
- Gorilla Mode ARGorilla Mind750 mg
- Greek FireOrigin500 mg
- Green Coffee Bean Diet DropsOfficial HCG Diet Planin a blend
- Green PowerGreens Todayin a blend
- Green Power FormulaGreens Today · off the marketin a blend
- Growth Surge Fruit PunchJacked Factory2,000 mg
- Growth Surge Post-Workout Black CherryJacked Factory2,000 mg
- Growth Surge Post-Workout Blueberry LemonadeJacked Factory2,000 mg
- Growth Surge Post-Workout SwoleberryJacked Factory2,000 mg
- Growth Surge Post-Workout WatermelonJacked Factory2,000 mg
- Growth Surge SwoleberryJacked Factory JF · off the market2,000 mg
- Growth Surge UnflavoredJacked Factory2,000 mg
- Growth Surge WatermelonJacked Factory · off the market2,000 mg
- H HeartSystemic Formulas Bio Functionin a blend
- hc3 trim Active ComplexNuMedicain a blend
- hCG 1234Creative Bioscience · off the marketin a blend
- hCG ActivatorBiomedx Researchin a blend
- HCG Lean 2000 PlusMaritzMayer Laboratories · off the marketin a blend
- HCG Lean 4000 PlusMaritzMayer Laboratories · off the marketin a blend
- HCG RemedyEssential Sourcein a blend
- HCG Synergy Cinnamon FlavoredOfficial HCG Diet Planin a blend
- HDL AssistEnzymatic Therapy · off the market50 mg
- HDL AssistNature's Way50 mg
- Hdl RxIntegrative Therapeutics50 mg
- Healthy Blood FlowTerry Naturally75 mg
- Healthy Blood Pressure FormulaGNC Preventive Nutrition250 mg
- Healthy Energy Raspberry + AcaiAspirein a blend
- Healthy HeartPriority One Nutritional Supplements150 mg
- Healthy LiverWholeHealth50 mg
- Healthy Metabolism Soft Chew Pink LemonadeGNC Total Lean25 mg
- Hear Well1-800-WellMed · off the market30 mg
- HeartGNC Mega Menin a blend
- HeartGNC Women's Ultra Megain a blend
- Heart AntioxidantBluebonnet100 mg
- Heart EssentialsSwanson Condition Specific Formulas · off the market17 mg
- Heart MiracleCentury Systems150 mg
- Heart ScienceSource Naturals400 mg
- Heart SupportNOW400 mg
- HeartBeatDreamQuest Nutraceuticals · off the market75 mg