It is best to consult a doctor or follow the instructions on the product label regarding the dosage of Fast&Up L-Carnitine 2000 mg tablets. Generally, 1-2 tablets per day are recommended, but this may vary depending on individual health needs. Avoid exceeding the recommended dose without medical advice. If you have any medical conditions, are pregnant or breastfeeding, or are taking other medications, please inform your doctor before taking these tablets.