Santiveri Marine Silicon+Magnesium is a supplement containing minerals and trace elements. Some precautions to take into account when taking this product are: 1. Consult your doctor before starting to take this supplement, especially if you are pregnant, breastfeeding or if you have any pre-existing medical condition. 2. Follow the dosage instructions recommended by the manufacturer and do not exceed the recommended dosage. 3. If you experience any allergic reaction or side effect, such as stomach upset or skin rash, discontinue use and consult a health care professional. 4. Keep this product out of the reach of children. Remember that this advice is for informational purposes only and is not a substitute for consultation with a healthcare professional. It is always important to read and follow the product instructions and consult a doctor if you have any questions or concerns.