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There are several ways to ensure that you are buying prescription drugs online safely. Firstly, ensure that the online pharmacy is licensed and registered with the relevant regulatory body. Check the pharmacy's reputation by reading reviews and feedback from other customers. Be cautious of pharmacies that offer drugs at a significantly lower price than other pharmacies, as this may indicate that the drugs are counterfeit. Lastly, only purchase prescription drugs with a valid prescription from a licensed doctor.Ritalin 40 mg pris