Absorption and excretion of L-carnitine during single or multiple dosings in humans
1993
Baker, H. | Frank-O. | DeAngelis, B. | Baker, E.R.
Changes of short-chain (free) and long-chain (acyl) carnitine activity (CA) in plasma, whole blood, red blood cells (rbc) and urine were induced (a) by ingestion of L-carnitine as a single dose of 500 mg, or 2500 mg, or (b) by ingestion of a daily dose of 2500 mg for 10 days. A single 500-mg dose induced insignificant increases of CA in blood constituents. However elevated free CA was noted in urine. Single or daily high doses -- e.g. 2500 mg of carnitine -- significantly increased free and acyl-CA in plasma, whole blood and urine, but these increases were low. Variations in dosage or frequency of carnitine intake led to no changes in rbc CA; presumably CA in plasma diffused only slowly into rbc. The apparent low absorption of carnitine suggests that oral therapy may not effect rapid repletion of body stores of CA.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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