Is Prime Vigor XL Safe? One of the standout features of Prime Vigor XL is its commitment to safety. The supplement is made from 100% natural ingredients and is free from harmful chemicals or synthetic additives. However, it’s always recommended to consult with a healthcare professional before starting any new supplement, especially if you have underlying health conditions or are taking medication. How to Use Prime Vigor XL For optimal results, it’s recommended to take Prime Vigor XL as directed by the manufacturer. Typically, this involves taking one or two capsules daily with water. Consistency is key, as the natural ingredients may take some time to build up in your system and deliver noticeable results.