Rosa canina, also known as dog rose or wild rose, is a plant that has been used for various purposes, and its dry extract has been associated with several potential health benefits. Some of the potential benefits of Rosa canina dry extract include:

1. Rich in vitamin C: Rosa canina is known for its high vitamin C content. As a result, its dry extract can serve as a potent source of this essential vitamin, which is important for immune function, skin health, and overall well-being.

2. Antioxidant properties: The extract of Rosa canina is rich in antioxidants, including flavonoids and phenolic compounds, which can help protect the body's cells from oxidative stress and damage caused by free radicals.

3. Joint health: Rosa canina has been studied for its potential benefits for joint health. Some research suggests that its extract may help reduce symptoms of osteoarthritis and improve joint function.

4. Immune system support: The high vitamin C content in Rosa canina extract can contribute to immune system support, potentially helping the body fight off infections and illnesses.

5. Skin health: The antioxidants and vitamin C in Rosa canina extract may also support skin health, contributing to the maintenance of healthy skin and potentially aiding in the management of skin conditions.

6. Anti-inflammatory effects: Some studies suggest that Rosa canina extract may possess anti-inflammatory properties, which could be beneficial for reducing inflammation in the body.

It's important to note that while Rosa canina extract shows promise in these areas, more research is needed to fully understand its potential benefits and to determine the most effective dosages and forms of administration. As with any supplement, individuals considering the use of Rosa canina extract should consult with a healthcare professional, especially if they have existing medical conditions or are taking medications, to ensure its safety and appropriateness for their individual needs.