l-carnitine als L-Carnitine, 500 mg, 30 vegetarian capsules Acetyl L-Carnitine (ALCAR) – AM
Description
The body typically produces sufficient L-carnitine for everyday metabolic needs, and additional amounts can be obtained through dietary sources, particularly red meat, poultry, fish, and dairy products

EC Vet Sci

Participants engaged in a moderate 5-week exercise training program twice per week with the final training session on the fifth week of supplementation consisting of a supervised lower-body exercise challenge specifically constructed to induce muscle damage

Similarly, with magnesium and other nutrients primarily stored in tissue, serum and plasma levels can remain "normal" even when tissue levels are low
