People should use CardioFitMD with a doctor's approval. As we age, nitric oxide production declines and maintaining nutrient levels can be exhausting. As such, CardioFitMD helps you get enough nutrients and fitness support to help increase your fitness. CardioFitMD also supports total body fitness and helps you relax. You can improve your nutrition and get healthy nutrition from the product. Pregnant and breastfeeding women and people with medications should consult a doctor before using a supplement. Also, every individual is unique; hence results may vary from person to person.