Phenylpiracetam Hydrazide is often taken in capsule or powder form, typically in doses ranging from 100 to 200 milligrams per day. Some users may adjust the dosage based on individual response and tolerance. While generally well-tolerated, potential side effects may include headaches, insomnia, or irritability, although these are usually mild and temporary. As with any supplement, it’s essential to use Phenylpiracetam Hydrazide responsibly and in accordance with recommended guidelines.