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| Form | Bioavailability | Best For |
|---|---|---|
| L-Carnitine L-Tartrate (LCLT) | High | Exercise recovery and athletic performance; fastest absorption |
| Acetyl-L-Carnitine (ALCAR) | High | Brain health and neuroprotection (crosses the blood-brain barrier) |
| Glycine Propionyl-L-Carnitine (GPLC) | High | Cardiovascular and peripheral circulation support |
| L-Carnitine Base | Moderate | General supplementation; lower oral bioavailability (~15%) |
Bioavailability: High. Best for: Exercise recovery and athletic performance; fastest absorption.
Bioavailability: High. Best for: Brain health and neuroprotection (crosses the blood-brain barrier).
Bioavailability: High. Best for: Cardiovascular and peripheral circulation support.
Bioavailability: Moderate. Best for: General supplementation; lower oral bioavailability (~15%).