Yes, both medications contain the same active ingredient, progesterone (200 mg), which is a natural hormone. They work in the same way by supplementing your body's progesterone levels to support a healthy pregnancy or regulate your menstrual cycle. The only difference lies in how they release the hormone. One is a sustained-release version that dissolves slowly in your body over a longer period, while the other is absorbed more quickly. Because of this difference in absorption, please consult your doctor before switching between them to ensure you receive the most effective treatment for your specific needs.