1: Potential side effects of taking a multivitamin include upset stomach and nausea.

2: Some individuals may experience allergic reactions or headaches from multivitamins.

3: Overconsumption of certain vitamins may lead to toxicity and adverse effects.

4: Iron supplements in multivitamins can cause constipation and stomach pain.

5: High doses of vitamin D can result in weakness and kidney problems.

6: Multivitamins can interact with medications and affect their effectiveness.

7: Consult with a healthcare professional before starting a multivitamin regimen.

8: Be aware of the ingredients in your multivitamin to avoid potential side effects.

9: Remember to follow recommended dosages to minimize risks when taking multivitamins.